Serenity is a meditation app with 4.8 stars on Android (4.95 recent) and 4.9 on iOS, offering a free 7-day beginner course and sleep meditations. Known for its soothing narrator voice, simple interface, and no-account-required access, it provides excellent value with flexible pricing—buy content packs individually or unlock everything via subscription. | HabitKit is a beautifully designed habit tracking app that helps you form new habits with tile-based grid charts. It's privacy-focused, easy to use, and perfect for tracking daily, weekly, or monthly habits. | |
| Key Features A summary of the most important features offered by each app. |
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| Our Rating Prod Apps's expert review score for each app, based on hands-on testing and research. | 9.0 | 9.3 Winner in this category |
| Total users Total active users across all major browsers: Chrome, Edge, Firefox, and Safari. | 0 | 0 |
| Total ratings Total number of user ratings received across all supported browsers. | 0 | 0 |
| Average rating Average user rating across all browsers, calculated from available store ratings. | — ⭐ | — ⭐ |
| Entry Level Price The minimum price required to start using the app. "Free" means a free tier is available. | Free | Free |
| Android User rating and stats for the app on Android browser. | ![]() Downloads | ![]() Downloads |
| iOS User rating and stats for the app on iOS browser. | ![]() | ![]() |
| Features Prod Apps's expert score for the 'Features' aspect of each app. | 8.5 Serenity delivers a well-rounded meditation experience without overwhelming complexity. The feature set focuses on what matters for building a consistent practice, and executes this effectively. Standout features:
There are limitations. While the free version generously offers over 2 hours of content, it restricts access to advanced programs. Some users wanted more variety in the free tier, though most agreed the basics provided solid value. The app lacks organizational features found in complex apps—no folders or advanced filtering. This simplicity is intentional and generally works in its favor. Features earn 8.5 out of 10. Core meditation functionality is excellent, the beginner course stands out, and sleep content delivers genuine value. It doesn't match the content volume of Calm or the completely free library of Medito, but what's present is thoughtfully implemented and effective. Winner in this category | 8.5 HabitKit delivers a solid set of core habit tracking features, focusing on simplicity and effectiveness. The standout is the GitHub-style heatmap, which makes tracking your progress both motivating and visually satisfying. Key features we found especially useful include:
There are some limitations: the free version restricts you to 4 habits, which may not be enough for everyone, and there's no way to organize habits into categories or folders. Widgets are visually appealing but don't allow direct interaction. Still, the features that are present are thoughtfully implemented and work reliably. We rate features at 8.5—excellent for core functionality, but with room for more organizational tools. For users who need unlimited habits without restrictions, Habitive offers a completely free alternative, while Loop Habit Tracker provides more comprehensive organizational features at no cost. Winner in this category |
| Performance Prod Apps's expert score for the 'Performance' aspect of each app. | 9.0 Serenity performs reliably. Across thousands of recent reviews, technical issues are rarely mentioned—stark contrast to apps like Headspace where performance problems dominate feedback. Performance strengths:
Long-term reliability is impressive. Users with 3+ years of consistent use continue praising the app. One mentioned using it twice daily for years without issues. Another: "3 years later and I'm still using this app. Truly saved my life." The app handles offline mode well. Progress tracking and stats work reliably. Reminders arrive as scheduled. Basic functions work consistently—which should be standard but, as competitor reviews show, often isn't. The only minor performance consideration? Ads in the free version, though users say they're "seamlessly integrated" and not disruptive. No mentions of ad-related lag or crashes. Performance earns 9.0 out of 10. Serenity simply works, consistently, for years. In a market where major apps struggle with crashes and slowdowns, this reliability is a competitive advantage. The app delivers without technical friction. | 9.2 HabitKit performs exceptionally well in day-to-day use. The app is lightweight, launches quickly, and all interactions—such as marking completions, navigating between views, and customizing habits—are smooth and responsive. Animations are fluid and add to the overall polished feel of the app without causing any lag. We encountered very few bugs or crashes, and the app remained stable even when tracking a large number of habits (in the premium version). User reviews echo this experience, with most people praising the app's reliability and speed. A handful of users mentioned minor issues with widgets, such as sizing or display quirks on certain devices, but these did not affect the core functionality and were often addressed in updates. Overall, HabitKit delivers a consistently fast and stable experience, both in our hands-on testing and according to the majority of user feedback. We rate its performance at 9.2 out of 10. This performance rating places HabitKit among the top performers in the category, alongside HabitNow which also achieves a 9.0 rating, and Habitive which maintains an 8.8 rating despite being completely free. Winner in this category |
| Design Prod Apps's expert score for the 'Design' aspect of each app. | 9.0 Serenity's design philosophy is refreshingly simple—clean interface, clear navigation, zero clutter. After testing meditation apps that try to do too much visually, this straightforward approach felt intentional and calming. Design strengths:
The design doesn't try to impress with visual flair, and that's its strength. Where Headspace has become cluttered with features and constant UI changes that frustrate users, Serenity maintains consistency. It looks professional without feeling corporate or sterile. Several reviewers compared Serenity's interface favorably to Calm and Headspace. The simpler design made it easier to use, and the lack of visual complexity helps maintain focus on practice rather than navigation. Design earns 9.0 out of 10. The minimalist approach works exceptionally well. It won't win design awards for innovation, but it excels at creating a calm, distraction-free environment that supports meditation. | 9.5 HabitKit's design is one of its greatest strengths. The minimalist aesthetic strikes a perfect balance between beauty and usability. The GitHub-inspired tile grid is not only visually appealing but also serves as a powerful motivational tool—watching your chosen colors fill the grid is genuinely satisfying. We especially liked:
Animations are smooth and purposeful, and the typography is clear and readable. While the minimalist approach may feel sparse to some, especially when managing many habits, we found it refreshing and effective. We rate design at 9.5. This design excellence sets HabitKit apart from competitors like Habitica, which focuses on gamification, and HabitNow, which prioritizes comprehensive scheduling features over visual polish. Winner in this category |
| Value for Money Prod Apps's expert score for the 'Value for Money' aspect of each app. | 8.5 Serenity offers strong value, especially compared to subscription-only meditation apps. The pricing model provides genuine flexibility that respects different budgets. The free tier is legitimately useful:
Paid options are flexible:
Multiple users compared Serenity favorably to Calm. One review stated: "I like Calm but this app is a much better deal if you are low on money. The meditation quality is great." Another: "This app is by far the best deal for a simple meditation app." The main value limitation? Medito offers completely free, ad-free meditation with no purchases required. If budget is your primary concern, Medito's perfect 10.0 value rating can't be beaten. However, Serenity's flexible pricing—pay only for what you want—beats subscription-only alternatives. Value for money earns 8.5 out of 10. Free content is genuinely useful, purchasing options are flexible and fairly priced, and quality justifies the cost. While not free like Medito, Serenity delivers considerably better value than premium subscription apps. | 9.5 HabitKit offers a strong value proposition, especially when compared to other habit trackers. The free version is genuinely useful for those with minimal needs, providing all core tracking features and a beautiful, ad-free experience. However, it does limit you to tracking just 4 habits, which several users found restrictive if you want to monitor more aspects of your life. Upgrading to premium unlocks unlimited habits, widgets, advanced analytics, and data backup/export. Pricing is fair and transparent, with options for a monthly, yearly, or one-time lifetime purchase. Many users appreciate the availability of a lifetime license, which is rare among productivity apps and offers excellent long-term value. The premium features are genuinely useful and not just cosmetic add-ons. We also liked that there are no hidden costs, no ads, and no data collection, which adds to the sense of getting good value for your money. While some users wished the free version allowed tracking a few more habits, most agreed that the premium upgrade is worth it if the app fits your workflow. Overall, HabitKit delivers a high-quality experience at a reasonable price, and we rate its value for money at 9.5 out of 10. However, for users seeking maximum value without any cost, Habitive offers a perfect 10.0 rating by providing unlimited habits completely free, while Loop Habit Tracker achieves the same perfect score by offering premium-quality features at no cost. Winner in this category |
| Ease of Use Prod Apps's expert score for the 'Ease of Use' aspect of each app. | 9.5 Serenity is remarkably easy to use. This came up repeatedly in reviews and matched our experience—the app just works, immediately, without friction. What makes it so accessible:
Ease of use particularly shines for beginners. Multiple first-time meditators mentioned Serenity helped them establish regular practice when other apps felt overwhelming. One user switching from another "popular meditation app" (likely Headspace) specifically cited Serenity's simpler layout as crucial during anxiety attacks—they could find what they needed quickly without confusion. Even purchasing is straightforward if you choose to upgrade. Buy specific content packs rather than committing to a full subscription. Flexibility and control. Ease of use earns 9.5 out of 10. This is one of the app's greatest strengths. Serenity removes barriers between you and meditation, making it genuinely effortless to build a practice. The 0.5 deduction? Perfection doesn't exist—but this comes close to frictionless usability. Winner in this category | 9.5 HabitKit is remarkably intuitive and user-friendly. The "less is more" philosophy makes it easy to get started and maintain your habits without confusion or clutter. Highlights include:
The only minor quirk is that reordering habits requires a long-press, which isn't immediately obvious to new users. Once learned, it's easy to use. We rate ease of use an 9.5. While HabitKit excels in simplicity, Habitive offers an even more streamlined experience with its 3-click setup, and Loop Habit Tracker provides more advanced features while maintaining excellent usability. Winner in this category |
| Security & Privacy Prod Apps's expert score for the 'Security & Privacy' aspect of each app. | 9.5 Serenity takes a privacy-friendly approach that stands out. The biggest advantage is simple: no account required means no personal data collection for basic use. Privacy strengths:
Ads in the free version are the main privacy consideration. Users say they're "seamlessly integrated," and they appear to be standard in-app advertising rather than highly targeted data collection. Still, ads typically involve some tracking—worth noting if you're privacy-conscious. For maximum privacy, Medito sets the gold standard with open-source, ad-free, account-free approach. Serenity's practices are solid though—better than subscription apps requiring accounts and more transparent than many competitors. Security and privacy earn 9.5 out of 10. The no-account approach provides excellent privacy. Ads in the free version are the only minor concern, and even that appears handled reasonably. For most users, Serenity's privacy practices are more than adequate. | 9.8 HabitKit stands out for its privacy-first approach. All data is stored locally on your device, with no account required and no remote servers involved. The app works fully offline, so there's no risk of data interception, and you can export your data manually whenever you wish. We found no evidence of third-party analytics or tracking tools. The app only requests essential permissions, such as notifications for reminders. This commitment to privacy is rare and highly appreciated. The only small drawback is that backups are manual, so you'll need to remember to export your data regularly. We rate security and privacy at 9.8. This privacy focus puts HabitKit in excellent company with Loop Habit Tracker, which also achieves a 9.8 rating for its open-source, offline-first approach, and Habitive, which maintains a 9.0 rating by keeping all data local without requiring accounts. Winner in this category |
| Conclusion A summary of our findings and final thoughts for each app. | Serenity delivers what a meditation app should: effective guidance, reliable performance, and genuine accessibility. The 4.8-star rating with 54.2K reviews isn't inflated—the app works well, the narrator's voice is soothing, and the interface stays out of your way. The rising recent rating (4.95 stars) shows quality improving, not declining. What makes Serenity valuable is a rare combination of factors. The free 7-day beginner course provides real value without requiring an account or payment info. Sleep meditations work effectively for long-term users. Flexible pricing respects your budget—buy what you want instead of committing to a subscription. The app maintains this quality over years without the technical deterioration affecting competitors. It's not perfect. Free content is limited beyond basics, ads are present, and the values-focused approach in some sessions won't appeal to everyone. Want completely free meditation? Medito is your choice. Want celebrity narrators and massive libraries? Calm has that (at subscription cost). Need therapy integration? Headspace provides it (though with current technical issues). For straightforward, effective meditation with excellent beginner support and reasonable pricing, Serenity hits the sweet spot. The simplicity is intentional. The focus on fundamentals over feature bloat helps. The consistent praise for ease of use, voice quality, and sleep effectiveness across thousands of reviews isn't marketing—it's genuine experience. We recommend Serenity for beginners building their first meditation practice, anyone struggling with sleep who wants guided sessions, and users who appreciate simplicity. The free content lets you test it without commitment. If it clicks, flexible purchasing provides fair value. Reliable performance won't get in the way of developing consistent practice. | HabitKit has proven itself to be a standout habit tracking app that truly delivers on its promises. Its greatest strength lies in its simplicity and focus—it does one thing exceptionally well, rather than trying to be everything for everyone. The app's beautiful design, intuitive interface, and strong privacy focus make it a compelling choice for anyone serious about building better habits. While the free version's 4-habit limit may be restrictive for some, the premium upgrade offers excellent value for those who need more comprehensive tracking. We especially appreciate the developer's commitment to privacy and the option for a lifetime purchase, rather than forcing users into a subscription. Regular updates and responsive support suggest this is an app that will continue to improve over time. If you're looking for a clean, efficient, and privacy-focused way to track your habits, HabitKit is an excellent choice that we can confidently recommend. However, if you need unlimited free habits, Habitive offers the best free experience, while Loop Habit Tracker provides exceptional privacy features at no cost. For users who value design excellence and are willing to pay for premium features, HabitKit represents the perfect balance of form and function. |
| Our Recommendation | ||