Grok is xAI's AI assistant that combines real-time information access with a witty personality, offering text generation, image creation, and seamless X platform integration. | Proton VPN is a premium privacy-focused VPN service with Swiss-based privacy protection, independent audits, and an excellent free tier that offers unlimited bandwidth with no ads. | |
| 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. | 7.3 | 8.3 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. | 8.0 Grok's feature set is impressive and comprehensive. The real-time information access is what really sets it apart - you can ask about current events and get up-to-the-minute answers that other AI assistants simply can't provide. The multimodal capabilities are particularly strong, with image generation that produces striking visuals and the ability to analyze uploaded images providing valuable insights. The integration with X platform is seamless and adds significant value for users already invested in that ecosystem. Grok's personality features, including its witty responses and rebellious tone, make interactions more engaging than typical AI assistants. Key Features:
However, we noticed that some advanced features are locked behind the X Premium+ subscription, which may limit accessibility for casual users. | 9.0 Proton VPN delivers an exceptional set of features that prioritize privacy and security over flashy functionality. The app's feature set is comprehensive and focused on providing genuine privacy protection, which aligns perfectly with its target audience of privacy-conscious users. Key features we found most valuable include:
Proton VPN excels in providing advanced privacy features that are typically only available in premium VPNs. The free tier offers unlimited bandwidth with no ads, which is exceptional in the VPN market. The premium features are genuinely useful and not just cosmetic add-ons. While the core features are excellent, some limitations affect the overall experience. The free tier has limited server locations, and some users report connection issues. However, these limitations are reasonable for a privacy-focused service. For users who need advanced privacy features, Proton VPN offers the most comprehensive solution available. Alternatives like NordVPN provide more server locations, while Thunder VPN offers a more user-friendly free experience. We rate features at 9.0 out of 10—excellent privacy-focused features with genuine value for privacy-conscious users. Winner in this category |
| Performance Prod Apps's expert score for the 'Performance' aspect of each app. | 8.0 The extension performs seamlessly, allowing you to interact with Grok without any lag or interruptions. The app handles text generation efficiently, and the image generation feature produces results quickly while maintaining good quality. The integration with X platform works smoothly, with minimal latency when accessing real-time information. Performance Highlights:
We did notice occasional performance variations, particularly during peak usage times, but these were infrequent and didn't significantly impact the user experience. The app maintains good stability across different devices and network conditions. The multimodal features, including image analysis and generation, perform consistently well, though some users have reported occasional delays with complex requests. Overall, the performance meets expectations for a modern AI assistant application. Winner in this category | 7.0 Proton VPN's performance presents a mixed picture that reflects the challenges of maintaining a privacy-focused VPN service. While the app can deliver good connections when working properly, some users report performance issues that impact the overall experience. Performance strengths include:
However, some performance issues undermine the user experience:
User reviews reveal mixed experiences, with some users praising the app's performance while others report connection issues. The app's focus on privacy over performance may be impacting server quality and maintenance. For users seeking reliable performance, alternatives like NordVPN offer more consistent performance with better server maintenance, while Thunder VPN provides more user-friendly performance. We rate performance at 7.0 out of 10—good performance when working but some connection issues and speed limitations that impact the overall experience. |
| Design Prod Apps's expert score for the 'Design' aspect of each app. | 7.0 The design is clean and functional, following modern mobile app conventions. The interface is intuitive with a familiar chat-based layout that users will find immediately recognizable. The dark theme with X's signature styling creates a cohesive brand experience that feels premium and polished. The app's visual hierarchy is well-structured, making it easy to distinguish between different types of content - text responses, generated images, and interface elements. Design Highlights:
However, we found that the design could benefit from more customization options and that the interface occasionally feels somewhat basic compared to more feature-rich competitors. The minimalist approach works well for the core functionality but may leave power users wanting more advanced interface options. | 8.5 Proton VPN's design philosophy centers on functionality and privacy over flashy aesthetics, which works well for its target audience of privacy-conscious users. The interface is clean, professional, and focuses on providing clear information about privacy and security features. Design strengths we observed include:
The design experience is significantly better than competitors like Turbo VPN and Now VPN, with no advertising interruptions. Users consistently praise the app's clean interface and professional appearance, making it one of the most trustworthy-looking VPNs available. While the core interface design is excellent, some users find the interface less intuitive than more user-friendly alternatives. However, this is a minor issue compared to the overall design quality. For users who value a clean, professional interface, Proton VPN offers one of the best experiences available. Alternatives like Thunder VPN offer more user-friendly design, while NordVPN provides a more modern interface. We rate design at 8.5 out of 10—excellent design principles with professional aesthetics that inspire trust and confidence. Winner in this category |
| Value for Money Prod Apps's expert score for the 'Value for Money' aspect of each app. | 6.0 Grok's value proposition is somewhat mixed. The requirement for X Premium+ subscription ($16/month) creates a significant barrier to entry, especially when compared to free alternatives like ChatGPT or other AI assistants. However, for users already invested in the X ecosystem, Grok provides unique value through its real-time information access and distinctive personality. Value Breakdown:
The premium features, including advanced image generation and priority access, do offer tangible benefits, but the cost may be prohibitive for casual users. We found that the value is most apparent for power users who can leverage the real-time information capabilities and advanced features regularly. For occasional users or those primarily interested in basic AI assistance, the subscription requirement may not justify the cost compared to free alternatives. | 8.5 Proton VPN's value proposition is excellent for privacy-conscious users, offering a genuinely useful free service with no ads and comprehensive privacy protection. The app provides exceptional value for users who prioritize privacy over cost. Value strengths include:
The free tier's value is exceptional, offering unlimited bandwidth with no ads and comprehensive privacy protection. However, some limitations affect the overall value:
The premium pricing is higher than some competitors, but the Swiss-based privacy protection and independent audits justify the cost for privacy-conscious users. Premium VPN services like NordVPN offer more comprehensive features for similar pricing, while Thunder VPN provides a more user-friendly free experience. For users seeking genuine privacy protection, Proton VPN offers exceptional value. Alternatives like NordVPN provide more server locations, while Thunder VPN offers a more user-friendly free experience. We rate value for money at 8.5 out of 10—excellent value for privacy-conscious users with exceptional free tier and premium features that justify the cost. Winner in this category |
| Ease of Use Prod Apps's expert score for the 'Ease of Use' aspect of each app. | 8.0 Grok is remarkably easy to use, especially for users already familiar with chat-based AI interfaces. The onboarding process is straightforward, and the app's core functionality is immediately accessible. The chat interface is intuitive, with clear input areas and well-organized response layouts. We particularly loved how the app handles different types of interactions - text conversations, image generation, and image analysis - all through a unified interface that doesn't overwhelm users. The integration with X platform is seamless, making it easy for existing X users to access Grok. What Makes It Easy:
However, we did notice that some advanced features might not be immediately discoverable for new users, and the subscription requirement could be clearer during the initial setup process. Winner in this category | 7.5 Proton VPN provides good usability with its one-tap connection approach, though the interface is more complex than simpler alternatives. The core functionality is straightforward, but the advanced features require some technical knowledge to use effectively. Usability strengths include:
However, the ease of use is somewhat compromised by the complexity of advanced features. Some users find the interface less intuitive than more user-friendly alternatives, and the advanced privacy features require some technical knowledge to configure properly. While the core interface is generally easy to use, the complexity of advanced features may overwhelm casual users. For users seeking a truly simple VPN experience, alternatives like Thunder VPN offer a more user-friendly interface, while NordVPN provides a more intuitive experience. We rate ease of use at 7.5 out of 10—good core usability with professional interface, but complexity of advanced features may overwhelm casual users. |
| Security & Privacy Prod Apps's expert score for the 'Security & Privacy' aspect of each app. | 7.0 Grok's security and privacy practices are generally solid, with xAI implementing standard industry practices for data protection. The app requires appropriate permissions and follows modern security protocols for user authentication and data transmission. However, we noted some concerns about data sharing practices, particularly regarding the integration with X platform and potential data usage for training purposes. Security & Privacy Features:
Users should be aware that conversations and interactions may be used to improve the AI model, which is common practice but worth noting for privacy-conscious users. The app does provide basic privacy controls, but we found the privacy policy could be more transparent about specific data usage and retention policies. Overall, the security measures appear adequate for typical use cases, though users with high privacy requirements may want to review the detailed privacy terms. | 9.5 Proton VPN's security and privacy practices represent the gold standard in the VPN industry, offering exceptional protection that goes far beyond basic VPN services. The app's commitment to privacy and security is unmatched by competitors. Security strengths include:
Proton VPN excels in providing genuine privacy protection that goes beyond marketing claims. The Swiss-based privacy protection and independent audits provide unmatched transparency and trust. Users consistently praise the app's privacy features and security practices. For users who prioritize privacy and security, Proton VPN offers the most comprehensive solution available. Alternatives like NordVPN provide good privacy protection, while Thunder VPN offers basic privacy features. We rate security and privacy at 9.5 out of 10—exceptional privacy protection with independent verification and transparent practices that inspire complete trust. Winner in this category |
| Conclusion A summary of our findings and final thoughts for each app. | Grok stands out as a unique AI assistant with its real-time information access and distinctive personality. While the requirement for X Premium+ subscription may be a barrier for some users, those who invest in the platform will find a powerful AI tool that combines humor, intelligence, and current awareness in an engaging package. | Proton VPN represents the gold standard for privacy-focused VPN services, offering exceptional privacy protection with Swiss-based privacy laws and independent security audits. While the app delivers on its core promise of secure, private VPN access with no ads, some users report connection issues and speed limitations that may impact the overall experience. The app's exceptional popularity (50M+ downloads, 4.7-star rating) reflects genuine demand for privacy-focused VPN services, and many users do find value in its comprehensive privacy protection. However, the recent rating decline (4.7 to 4.04 in last 100 reviews) and increasing complaints about connection issues suggest that the service may be experiencing some technical challenges. For users who prioritize privacy over performance, Proton VPN provides the most comprehensive privacy protection available. For users seeking a more user-friendly VPN experience, Thunder VPN offers a more intuitive interface with better performance, while NordVPN provides more comprehensive features with better reliability. For those who prioritize privacy above all else, Proton VPN remains the best choice available. |
| Our Recommendation | ||