Tarsier vs Mefesio
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tarsier
This secure messaging app offers a private and decentralized communication experience. It prioritizes user privacy by requiring only a nickname and employing end-to-end encryption. Enjoy unlimited group chats and open-source flexibility across multiple devices.
- End-to-end encryption
- Decentralized architecture
- Nickname registration
- Unlimited group chat
- Open source
- Multi-platform support
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Imagine a world where you can message anyone without being forced to install the same app, Imagine a world where you can host your own communication and still be part of a huge network. This will be brought to you by Tarsier Secure Chat, which is powered by DIM. DIM - an open source project that provides the protocol and system architecture. which is designed for the next generation Internet that is coming. DIM network could serve as a social network, in which users can send messages or digital assets freely. Besides that, DIM can serve the Internet of Things as well. Allowing software to communicate autonomously. Although other platforms are owned and operated by a single corporation, who has full control over everything, DIM network is decentralized, and there is no one server, company, or person running it. Anyone can join and run their own services on DIM network. But, how does this work? When someone joins DIM network with their servers, they are called Service Providers. Since DIM network is open, a Service Provider can have its own set of services, while complying with DIM Protocol. User identification is generated and verified using a cryptographically algorithm, and no longer authenticated by a single corporation. Because of this, Service Providers cannot monetize the user’s privacy or data, they must compete by providing better services, and a better ecosystem. This means that all the Service Providers share the same potential user base. And users could choose the Service Provider that fits their needs at anytime. Nowadays, the internet users place greater emphasis on protecting their privacy, many people are concerned that their private information may be illegally used. I hope this app can build a more safety social network to allow who don 't want to provide too much information to the man-in-the-middle, can still keep in touch with their friends freely. Hope this application can bring you more convenience. Enjoy it! # Tarsier - Secure Chat Your private chat space, secure, reliable, and under your control. ## App Introduction In an age of information overload, protecting your privacy is more important than ever. Tarsier is a privacy-focused social app that lets you share everything with your friends without worrying about information leaks. Its unique decentralized design puts your data in your own hands; we don't collect or store any of your personal information. All you need is a nickname to start a private chat. ## Key Features - Absolutely Secure - Advanced end-to-end encryption ensures every message is visible only to you and your friends. A decentralized architecture and zero-trust forwarding nodes further safeguard your data and prevent information leaks. - Ultimate Privacy - Register with just a nickname, no personal information required, leaving you in complete control of your identity. - Unlimited Group Chat - Create large groups with unlimited members and chat without interruption. - Free and Open - Completely open source, allowing for customization and the ability to build private nodes. Open APIs allow third-party developers to create practical tools like real-time translation, information aggregation, and AI assistants, continuously improving your communication experience. - Multi-Platform Support - Enjoy secure and seamless communication on all your devices, wherever you are. ## Why choose Tarsier? Because your privacy is paramount. We don't collect your personal information or store your chat history; we focus solely on providing you with a secure and reliable private chat space. With Tarsier, you can express yourself freely and communicate freely. Whether sharing private photos with family, discussing sensitive topics with friends, or discussing business secrets with colleagues, you can do so with peace of mind. **Download Tarsier now and experience unprecedented security and freedom!**
Mefesio
A decentralized messaging app prioritizing user privacy and secure conversations. Messages are end-to-end encrypted and delivered without central server storage, ensuring no ads or tracking.
- End-to-end message encryption
- Decentralized message delivery
- No ads or analytics
- QR code contact connections
- Secure account controls
- User safety tools
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Mefesio is a decentralized, end-to-end encrypted messaging and secure audio calling platform that gives you control over your private communications. Messages and audio calls are encrypted on your device and transmitted securely to help protect your privacy. Key Features: End-to-End Encrypted Messaging: Only you and your contacts can read your messages. Your conversations remain private and protected. Secure Audio Calling: Make high-quality, end-to-end encrypted audio calls with your contacts. Audio calls are protected during transmission, and your microphone is used only while you are actively making or receiving a call. Decentralized Communication: Designed with privacy in mind, Mefesio minimizes reliance on centralized infrastructure for private communications. QR Code Friend Requests: Quickly and securely connect with friends by generating or scanning a QR code. Profile Avatar: Personalize your profile by uploading or capturing a profile photo. Camera access is used only when you choose to scan a QR code or update your profile avatar. Account Management: Securely create, recover, or permanently delete your account with built-in verification. User Safety: Report abusive users and benefit from automatic moderation that helps reduce offensive or inappropriate language. Privacy First End-to-end encrypted communications No advertisements No third-party analytics No unnecessary data collection No behavioral tracking Family Safe and Child Friendly Mefesio is designed to be safe for users of all ages, including children under 13 when used with parental supervision. We comply with applicable children's privacy requirements, including COPPA and GDPR-K. We never use your message content for advertising or behavioural profiling. Mefesio contains no advertisements, no third-party analytics, and includes built-in moderation to help reduce abusive or harmful language. Parents are encouraged to supervise younger users during account setup and use. Privacy & Terms: Privacy Policy https://mefesio.com/privacy-policy/ Terms of Use https://defesio.com/terms/ Mefesio is developed by Defesio LLC, a software company dedicated to building secure, privacy-focused communication technologies that help individuals, families, businesses, and organizations communicate with confidence.
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Verdict
The clearest difference is ratings volume: Tarsier at 6 against Mefesio's 1. On price, rating, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Tarsier against 5.0 for Mefesio. That said, the two scores are not equally well evidenced: Tarsier has 6 ratings behind it against 1, so its average is the more settled of the two.
Both ship on a similar rhythm, roughly monthly. The most recent releases landed on September 28, 2026 and October 2, 2026 respectively.
| Parameter | Tarsier | Mefesio |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (6 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 6 — better | 1 |
| Update frequency | Monthly | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 15.6 |
| Further details — not scored | ||
| Size | 28 MB | 62 MB |
| Age rating | 17+ | 9+ |
| Developer | 奇 莫 | Ubaidullah Azimi |
Customer experience
Tarsier
Mefesio
In-app purchases
Tarsier
No in-app purchases
Mefesio
No in-app purchases









