Compare Calm and ChatOn AI: Which App is the Best?

ChatOn AI is a comprehensive AI assistant powered by multiple advanced models including GPT-4o and Claude 3.7. It offers text generation, AI image creation, document analysis, and YouTube video summarization in one platform.
Calm is a leading meditation and sleep app with 4.1 stars on Android, 4.8 stars on iOS, and 50M+ downloads. Known for celebrity-narrated sleep stories by Cillian Murphy and Bob Ross, plus comprehensive daily meditation programs. While most users love the content, some Android users report recent billing and technical concerns.
Key Features
  • Multiple AI Models – You get access to GPT-4o, o4-mini, Sonar, Claude 3.7, and DeepSeek-R1, so you can pick the best one for your needs
  • AI Image Creation – Make custom pictures and artwork using AI
  • Photo Effects – Transform your photos with cool styles like Japanese Cartoon, Plushy, Cyberpunk, and Action Figure looks
  • Document Help – Upload documents and get summaries, translations, and analysis
  • YouTube Analysis – Paste a YouTube link and get summaries or ask questions about the video
  • Writing Assistant – Get help with emails, social media posts, speeches, and creative writing
  • Code Helper – Write and fix programming code with AI assistance
  • 100+ Ready Prompts – Quick access to pre-written prompts for common tasks
  • Sleep Stories – Bedtime stories narrated by celebrities like Cillian Murphy, Rosé, Jerome Flynn, and the popular Bob Ross "Painting" series
  • Daily Programs – Daily Calm with Tamara Levitt (10-minute meditation), Daily Trip with Jeff Warren, Daily Move (mindful movement), and Daily Jay
  • Extensive Meditation Library – Guided meditations for various needs including anxiety relief, focus, habit breaking, and stress management
  • Soundscapes & Music – Sleep sounds, nature soundscapes, relaxing music, and EMDR sounds for therapeutic use
  • Breathing Exercises – Guided breathwork sessions for relaxation and stress reduction
  • Mindful Movement – Stretching exercises and movement sessions for relaxation
  • Progress Tracking – Daily streaks, mindful minutes counter, and activity tracking
  • Wear OS Support – Quick-start tiles and meditation tracking complications for smartwatches
Our Rating
6.8
7.3
Total users
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0
Total ratings
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Average rating
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Entry Level PriceFreeFree
Android
Google Play Store
Downloads
Google Play Store
Downloads
iOS
Apple App Store
Apple App Store
Features
8.0

ChatOn AI has a really impressive set of features that goes way beyond just chatting with AI. We found it can handle text generation, image creation, document analysis, and lots more - basically everything you'd want from an AI assistant.

Here's what we liked most:

  • Multiple AI Models: You get access to GPT-4o, Claude 3.7, DeepSeek-R1, and others, so you can pick the one that works best for your needs
  • AI Image Generation: You can create custom pictures and artwork right in the app, which is pretty cool
  • Photo Effects: Transform your photos with fun styles like Japanese Cartoon, Plushy, and Cyberpunk looks
  • Document Analysis: Upload documents and get summaries, translations, and answers to questions about the content
  • YouTube Help: Paste a YouTube link and get summaries or ask questions about the video
  • 100+ Ready Prompts: Lots of pre-written prompts to help you get started quickly
  • Writing Help: Get assistance with emails, social media posts, speeches, and creative writing
  • Code Generation: Write and debug programming code with AI help

But we did run into some issues. Recent updates seem to have caused performance problems - the app sometimes freezes up or needs to be restarted to work properly. Also, the image generation feature, while cool in theory, doesn't always give you what you ask for.

The free version is pretty limited, which makes sense but might be frustrating if you want to test everything before paying. We give features an 8.0 - great variety and innovation, but the reliability could be better.

8.0

Calm's content library is genuinely impressive and sets the standard for meditation apps. The celebrity-narrated sleep stories are the standout feature—falling asleep to Cillian Murphy's voice, Bob Ross painting descriptions, or Rosé's calming narration provides a unique experience users rave about. These aren't just celebrity gimmicks; they're high-quality productions that genuinely help people fall asleep.

Outstanding features include:

  • Celebrity Sleep Stories: Premium productions with recognizable voices that have become nightly routines for millions of users
  • Daily Programs: Daily Calm with Tamara Levitt, Daily Trip with Jeff Warren, Daily Jay, and Daily Move provide fresh, structured content that builds meditation habits
  • Extensive Meditation Library: Comprehensive content addressing anxiety, focus, habit breaking, stress management, and sleep improvement
  • Soundscapes & Music: High-quality nature sounds, sleep music, and EMDR sounds for therapeutic use
  • Kids Content: Sleep stories specifically designed for children that parents find highly effective for bedtime routines
  • Wear OS Integration: Quick-start tiles and tracking complications for smartwatch users
  • Breathing Exercises: Guided breathwork for stress reduction and relaxation
  • Progress Tracking: Streaks and mindful minutes to maintain motivation

The library is genuinely extensive, with enough variety that most users find multiple favorites. The quality is consistently high—professional voice work, good production values, and thoughtful content design. Users frequently mention specific favorites like "Painting with Bob Ross" or programs with Tamara Levitt that they return to regularly.

The app uses a subscription model, with most content requiring payment. The free version offers limited access, which is standard for premium apps in this category. Some users wish for more free content to evaluate before subscribing, though the free trial provides opportunity to explore the library.

A few long-term subscribers mention content updates could be more frequent, though the existing library is large enough that most users have plenty to explore. For daily users who cycle through content quickly, occasional waits for new stories can be noticeable.

We're rating features 8.0 out of 10. The celebrity sleep stories, daily programs, and extensive meditation library provide excellent value, making Calm a feature-rich leader in the meditation app category.

Performance
5.5

ChatOn AI's performance is the biggest problem we found. Recent user feedback shows serious reliability issues that make the app frustrating to use, and these problems seem to have gotten worse after recent updates.

What works well when it's running:

  • Fast Responses: When it's working, the AI responds quickly
  • Multiple Models: The app handles different AI models without conflicts
  • Image Processing: Photo effects and image generation work efficiently when they work
  • Document Handling: File uploads and analysis work fine under normal conditions

But there are major performance issues:

  • Frequent Crashes: The app often freezes up and needs to be restarted
  • Response Problems: Users get stuck on "thinking" status and never get responses
  • Update Issues: Problems seem to have increased after recent app updates
  • Inconsistent Reliability: The app works differently from one session to the next
  • Affects Everyone: Both free and paid users are experiencing these problems

These performance problems have been going on for weeks, and some users say the app has become basically unusable. The developers don't seem to be responding quickly to fix these issues.

While ChatOn AI has the potential to perform well based on its features and user base, the current reliability problems make it hard to use. We give performance a 5.5 - below average due to persistent stability issues.

7.5

Calm performs reliably for the vast majority of users across 50+ million downloads and two platforms. The 4.8-star iOS rating and 4.1-star Android rating indicate consistent, stable performance that users depend on nightly. Audio playback is smooth, sleep stories run without interruption, and the app handles background playback well while you sleep.

Performance strengths:

  • Reliable Playback: Sleep stories and meditations play consistently without issues for most users
  • Background Stability: App runs reliably in the background through the night for sleep content
  • Quick Loading: Content loads promptly and playback starts without long waits
  • Cross-Platform Performance: Works well on both Android and iOS with high ratings on both
  • Battery Efficient: Doesn't drain battery excessively during overnight use
  • Multiple Device Support: Performs consistently across phones, tablets, and smartwatches

The app handles demanding use cases well—playing audio continuously through 7-8 hours of sleep, managing large content libraries, and supporting offline downloads. Users who've used Calm for years mention it working consistently night after night, which demonstrates solid long-term reliability.

A small percentage of users report occasional audio stopping during sleep sessions or rare app crashes. These issues seem device or configuration-specific rather than widespread problems, as the majority of users don't mention performance concerns. Some users note the splash screen takes a moment to dismiss, though this is designed as a brief mindfulness moment rather than a technical delay.

Load times are generally good, with content starting quickly after selection. The app's size and resource usage are reasonable for the extensive content library it manages. Updates are regular, suggesting active maintenance and performance optimization.

For an app with 50M+ downloads used nightly by millions, achieving 4.8 stars on iOS demonstrates exceptional performance reliability. The vast majority of users experience smooth, consistent operation exactly when they need it most—during meditation and sleep.

We're rating performance 7.5 out of 10. Calm delivers reliable, stable performance for the overwhelming majority of users, with consistent playback and efficient resource usage. The high ratings across millions of users demonstrate performance excellence at scale.

Design
7.5

ChatOn AI has a clean, modern look that does a good job organizing all its features. The interface is easy to navigate and looks professional, though there are a few areas that could be improved.

What we liked about the design:

  • Clean Layout: The chat interface is straightforward and easy to use, with clear separation between different AI models and features
  • Good Organization: Important features are easy to find, and the 100+ ready prompts are prominently displayed
  • Works on Different Screens: The app adapts well to different phone sizes and orientations
  • Nice Colors: The black theme looks professional and is easy on the eyes
  • Logical Grouping: Tools are organized in a way that makes sense - image generation, document analysis, etc.

Some things could be better though. The interface can feel a bit crowded when you're using advanced features, and some users say the image generation interface could be more intuitive. The transitions between different AI models and features could be smoother too.

Overall, the design is solid and functional, though not particularly groundbreaking compared to other AI apps. We give design a 7.5 - it works well and looks good, but could use some polish.

7.5

Calm's design successfully creates a soothing, peaceful atmosphere that supports its meditation and sleep mission. The dark, calming color scheme with deep blues and purples sets the right mood immediately. Visual elements are thoughtfully chosen to promote relaxation rather than stimulation, which is exactly what you want from a meditation app.

Design strengths:

  • Beautiful, Calming Aesthetic: Dark themes, soothing colors, and nature imagery create an immediately relaxing visual environment
  • Intuitive Content Organization: Sleep stories, meditations, soundscapes, and daily programs are clearly categorized and easy to browse
  • Material Design Excellence: Clean, modern interface that follows Android design guidelines effectively
  • Visual Consistency: Cohesive design language throughout the app maintains the calm atmosphere
  • Easy Discovery: Featured content, favorites, and recently played sections help users find what they need

The interface generally succeeds at fading into the background, letting the content take center stage. For most users, navigation feels natural—open the app, select your content, and start your meditation or sleep session without friction.

Some users mention the splash screen "take a breath" message appears frequently and takes a moment before you can access content. While this fits the app's philosophy, a few long-term subscribers find it repetitive after daily use for years. The search function within categories could be more robust for power users who want to explore the full catalog depth.

For subscribers, the experience is streamlined. For free users exploring before committing, distinguishing between free and premium content could be clearer, though this is fairly standard for freemium apps.

We're rating design 7.5 out of 10. Calm delivers a beautiful, calming visual experience with thoughtful design that supports meditation and sleep. Minor navigation refinements would elevate it further, but the overall aesthetic excellence justifies the premium positioning.

Value for Money
6.0

ChatOn AI's value is complicated and really depends on your experience with the app. Some users get great value, while others feel ripped off due to performance issues and subscription problems.

What makes it good value:

  • Lots of Features: You get text generation, image creation, document analysis, and more in one app
  • Multiple AI Models: Access to GPT-4o, Claude 3.7, and other advanced models in one place
  • Free Trial: You can test basic features before paying
  • Regular Updates: The app gets new features and improvements regularly

But there are some real problems:

  • Subscription Issues: Many users report trouble unsubscribing and unexpected charges
  • Performance Problems: Recent updates have made the app less reliable, which hurts the value of paid features
  • Limited Free Version: The free tier is pretty basic, so you have to pay to really test it
  • Inconsistent Image Generation: The AI image feature, which is a key selling point, doesn't always work well
  • Confusing Pricing: While prices are shown ($4.99-$59.99), the subscription model can be confusing

The value really depends on whether you run into the performance issues. If everything works smoothly, the features justify the cost. But the combination of reliability problems and subscription issues really hurts the overall value.

We give value for money a 6.0 - potentially good value when it works, but the problems make it hard to recommend confidently.

7.0

At around €70 per year (pricing varies by region), Calm positions itself as a premium meditation app, and for most users, the content library justifies the investment. With 50M+ downloads and 4.8 stars on iOS, millions of people clearly find value worth paying for. Users who've subscribed for years mention the app becoming an essential nightly routine they wouldn't want to give up.

The value proposition is strong:

  • Celebrity Content: Unique sleep stories narrated by Cillian Murphy, Rosé, Bob Ross, and Jerome Flynn you won't find elsewhere
  • Daily Fresh Content: Daily Calm, Daily Trip, Daily Jay, and Daily Move provide new material regularly
  • Extensive Library: Hundreds of meditations, sleep stories, soundscapes, and programs for stress, anxiety, sleep, and focus
  • Professional Production: High-quality audio and voice work throughout the library
  • Multiple Use Cases: Sleep stories, meditation, soundscapes, breathing exercises, and movement all in one subscription
  • Family Sharing: Kids content makes it valuable for entire families
  • Employer Coverage: Many insurance companies and employers provide Calm subscriptions as wellness benefits

For users getting Calm through employer wellness programs, the value is excellent—high-quality content at no personal cost. Even at full price, long-term subscribers frequently mention the subscription has become essential for their sleep quality and mental health, which makes the cost worthwhile.

The subscription model is standard for premium apps—the free version offers limited access to encourage paid subscription. Users can try the app during a free trial period to evaluate whether the content works for them before committing long-term. Cancellation through the Play Store is typically one-click, which most users navigate successfully.

Some users report billing confusion during trial periods or difficulty with customer service responses when issues arise. A small number mention pricing discrepancies during promotional periods. Like any subscription service, it's important to track trial end dates and verify charges match promotional pricing if taking advantage of special offers.

Compared to competitors, Calm sits at the premium end with Headspace, while Medito offers free content. The celebrity narrations and production quality differentiate Calm's value proposition.

We're rating value for money 7.0 out of 10. The extensive, high-quality content library with unique celebrity narrations provides solid value for the subscription price, particularly for users committed to regular meditation and sleep improvement. Those with employer coverage get excellent value, and even full-price subscribers generally find the cost justified by daily use.

Ease of Use
7.0

ChatOn AI is generally pretty easy to use, especially for an app with so many features. It does a good job making advanced AI capabilities accessible to everyone, though recent performance issues have made it less reliable.

What makes it easy to use:

  • Familiar Chat Interface: The chat-based design makes it easy to talk to AI without a steep learning curve
  • Ready-Made Prompts: The 100+ pre-written prompts help you get started quickly and discover new features
  • Easy to Find Features: Important tools like image generation and document analysis are easy to access
  • Simple Model Switching: You can easily switch between different AI models to find the best one for your needs
  • Quick Setup: Getting started takes almost no time at all

But we ran into some problems during testing. Recent updates seem to have made the app less reliable - it often freezes up or needs to be restarted to work properly. This really hurts the ease of use since you can't count on it to work consistently.

Some of the more advanced features like image generation and document analysis have interfaces that could use better tutorials or guides. The free vs premium feature split can also be confusing.

When it's working properly, ChatOn is very easy to use. But the current reliability issues make it frustrating. We give ease of use a 7.0 - good when it works, but the performance problems really get in the way.

7.0

Calm is designed to be intuitive, and for most users, it succeeds. Opening the app and starting a meditation or sleep story takes just a few taps. The main interface presents your options clearly—browse by category, check out daily programs, or jump back to recently played content. Playback controls are simple and work as expected.

For subscribers in their daily routine, the experience is smooth. Select your favorite sleep story, set a timer if desired, and drift off. The app remembers your preferences, making it easy to return to content you love. Many users mention using Calm nightly for years, which speaks to how well the basic experience works.

Usability strengths:

  • Simple Navigation: Clear categories and straightforward content selection
  • Quick Start: Recently played and favorites let you start familiar content immediately
  • Intuitive Playback: Controls work as expected without confusion
  • Progress Tracking: Streaks and history visible but not intrusive for most users
  • Multiple Devices: Works across phones, tablets, and smartwatches

The free trial process is standard for subscription apps—you provide payment information upfront, explore the content during the trial period, and can cancel before being charged. Most users navigate this successfully, though like any subscription app, you need to remember to cancel if you don't want to continue.

Some users report specific issues: occasional login difficulties with Google authentication, confusion about which content is free versus premium for non-subscribers, and rare cases of the app stopping playback during the night. A small number of users mention subscription management confusion, though canceling through the Play Store is typically straightforward with one-click unsubscribe.

The splash screen appears when opening the app, which some daily users find repetitive over time. For those who want to jump straight into content, this adds a brief delay, though it's designed to encourage that initial mindful breath.

We're rating ease of use 7.0 out of 10. The app is genuinely easy to use for the vast majority of users, with intuitive navigation and simple playback. Minor friction points exist, particularly for free users exploring content boundaries, but don't significantly impact the subscriber experience.

Security & Privacy
6.5

ChatOn AI's approach to security and privacy is a mixed bag, which is pretty typical for AI assistant apps. There are some good things, but also some concerns you should know about.

The good stuff:

  • Reputable Company: It's made by AIBY Inc., a real company based in Miami, Florida, which gives some accountability
  • Clear Support: You can contact them at support@aiby.com with questions or concerns
  • Transparent Pricing: The costs are clearly shown, ranging from $4.99 to $59.99
  • Age Appropriate: It's rated "Teen" which means it has content filtering

But there are some privacy concerns to be aware of:

  • Data Processing: Since it's an AI assistant, it has to process your conversations, documents, and images to work - this means your info goes to AI models
  • Multiple AI Providers: Your data gets processed by different AI companies (GPT-4o, Claude 3.7, etc.), each with their own privacy policies
  • Document Analysis: When you upload documents for analysis, that content gets processed
  • Image Generation: Your prompts and uploaded images are used to create content

The app could be more transparent about its privacy policy and how it handles data. You should be careful about what sensitive information you share, since your conversations and files get processed by third-party AI services.

We give security and privacy a 6.5 - okay for an AI assistant, but be careful with sensitive information.

7.0

Calm handles user data responsibly with standard privacy practices appropriate for a wellness app. The company partners with major employers and insurance providers, which requires meeting enterprise-level security and privacy standards. With 50M+ downloads and partnerships with Fortune 500 companies, Calm maintains professional data protection practices.

Security and privacy strengths:

  • Enterprise Partnerships: Trusted by major employers for wellness programs, requiring robust security standards
  • Standard Data Protection: Privacy policy clearly outlines data collection and usage practices
  • No Breach History: No prominent reports of data breaches or privacy violations
  • Account Security: Standard authentication with options for Google login integration
  • Usage Tracking: Data collection limited to progress tracking, streaks, and content preferences
  • Professional Standards: Scale and partnerships require meeting industry privacy standards

The app collects usage data to track your meditation progress, favorite content, and streaks—standard for any app with personalization features. This data helps improve your experience by remembering preferences and providing personalized recommendations. The privacy policy outlines what data is collected and how it's used.

Financial transactions are processed through Google Play Store, which provides an additional layer of security and familiar payment infrastructure. The Play Store handles payment information rather than the app storing it directly, following best practices for subscription apps.

For users concerned about mental health data privacy, Calm's meditation and sleep content choices represent personal information. The app's enterprise partnerships and scale suggest they take this responsibility seriously, though as with any wellness app, users should review the privacy policy to understand data handling.

Some users report billing questions during trial periods, which is common across subscription apps and typically relates to understanding trial terms rather than security issues. Standard subscription management through the Play Store provides familiar cancellation options for most users.

The lack of data breach reports across millions of users and years of operation demonstrates solid security practices. For a wellness app trusted by major corporations, maintaining strong security and privacy standards is essential to business partnerships.

We're rating security & privacy 7.0 out of 10. Calm maintains professional privacy practices appropriate for a wellness app with enterprise partnerships, handles user data responsibly, and shows no history of security breaches across millions of users.

Conclusion

ChatOn AI is a solid all-in-one AI assistant that brings together multiple AI models in one app. It's got text generation, image creation, document analysis, and more - basically everything you'd want from an AI helper.

Lots of users love it for its features and ease of use, but there are some concerns about recent performance problems and how accurate the image generation really is. The free version gives you a taste of what it can do, but you'll need to pay to unlock the good stuff.

If you're looking for a multi-purpose AI assistant that can handle both text and images, ChatOn is worth checking out. Just keep in mind that your experience might vary depending on how the app is running when you use it.

Calm has earned its position as a leading meditation and sleep app with 50M+ downloads, 4.8 stars on iOS, and 4.1 stars on Android. The celebrity-narrated sleep stories are genuinely special—falling asleep to Cillian Murphy, Bob Ross, or Rosé provides a premium experience that justifies the subscription for millions of users. The daily programs, extensive meditation library, and variety of soundscapes create comprehensive value.

Long-term subscribers frequently mention Calm becoming essential to their nightly routine, helping with sleep quality and stress management over years of use. The production quality is excellent, the content library is extensive, and the app performs reliably for the vast majority of users. For those whose employers provide Calm subscriptions as a wellness benefit, it's an excellent value proposition.

Recent Android reviews show some concerns—the last 100 reviews average 3.04 stars, lower than the overall rating. Some users mention billing confusion during free trials, occasional technical issues, and customer service responsiveness questions. These issues appear to affect a subset of Android users rather than representing the typical experience, but they're worth noting.

If you're considering Calm, the free trial lets you explore the content library to see if the sleep stories and meditation programs work for you. The celebrity narrations and production quality differentiate it from competitors. For daily meditation and sleep improvement, Calm delivers substantial value that users rely on over years.

Alternative options include Medito for free meditation content with no subscription required, and Headspace for premium content with different stylistic approach. But Calm's unique celebrity content and extensive library make it a strong choice for those committed to meditation and sleep improvement.

Our Recommendation