OpusChat vs Crypviser Secure Messenger
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OpusChat
This app allows users to manage multiple distinct profiles, or personas, within a single application. It offers enhanced privacy controls, secure messaging, and voice calls, enabling users to tailor their interactions and presentation for different social circles.
- Multi-persona support
- Secure multimedia messaging
- High-quality voice calls
- Customizable persona settings
- End-to-end encryption
- Granular privacy controls
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A fully-featured, multi-persona chat app which lets you take full control of your privacy. Modeling Real-life Relationships and Interactions with Multiple Personas Personas are different aspects of our character that we choose to share with different people, e.g. to families, to friends, to co-workers, to strangers. OpusChat is a chat app which supports personas. In addition to the features one would expect from a chat app, you could create and use multiple personas in one seamless app. Each persona is seen by others as a completely different profile. You can customise how you present yourselves and manage each relationship. You could protect and control your privacy when messaging or calling contacts using different personas, as well as apply specific preferences for each persona. Full control over your data and privacy * Make friends with a unique ID, QR code or phone contact matching (only when phone numbers appear in phone contacts of both users) * Connect to people you really know * Eliminate any unsolicited phone calls or messages * Full control over how you interact with each other, what others can see, share or receive * Customise settings for each relationship How is OpusChat different from other popular chat apps? * True multi-persona support - switch between personas easily without having to 'sign-in/sign-out' * Manage your social network easily & without hassle * Strong emphasis on privacy: - We don't ask you for your phone number (unless you choose to use it for account recovery or friend matching) - We don't ask you for your email (unless you choose to use it for account recovery reasons) Features: * Easily switch between different personas in a single app with a single tap * Secure multimedia messaging features (text, photos, videos, voice recordings, locations, etc) * Free high quality, secure voice calls * Customise name, photo, preference and privacy settings for each persona * Accept/reject voice calls and voice notes down to per user level * Set the size and clarity of media preview – large vs small and clear vs blur Security: * End-to-end encrypted, with forward secrecy * Messages are stored on our servers encrypted until they are delivered * No tracking of user experience data 100% Free. No ads. Chat, call, share using multiple personas. What is OpusChat? Check this out. https://www.youtube.com/watch?v=6AxxJ9HFMkk Follow us on Twitter: https://twitter.com/OpusChat
Crypviser Secure Messenger
This app offers a highly secure and anonymous messaging experience using blockchain technology. Enjoy private chats, video calls, and file sharing with military-grade encryption and decentralized key management. It prevents man-in-the-middle attacks and does not require personal information for registration.
- Blockchain-based encryption
- Anonymous messaging
- Private video and voice calls
- Encrypted file sharing without size limits
- Man-in-the-Middle attack detection
- Multi-device support
- Secure message synchronization
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Тhe New Standard of Security and Anonymity. Crypviser is the most private messaging app, as it is based on Blockchain technology. The decentralized Crypviser Messenger lets you to enjoy private video chat & voice calls with automated blockchain encryption. There are no other alternatives available on the market. We utilize Blockchain to eliminate all threats of Man-in-the-Middle attack and solved the historical public key encryption issue by using decentralized encryption keys, exchanges, and authorization algorithms. Your Messages, Videos, Photos, Data, etc will reach their destination unfiltered, and most importantly UNBLOCKED! WHY SHOULD YOU USE CRYPVISER AS YOUR REGULAR CHAT, VOICE & CALLS MOBILE APP? Crypviser is based on Instant Communication Platform which cannot be Blocked or Stopped, Totally Anonymous, Bullet Proof Security using Military Grade Encryption, Salsa 20/20, Ecliptic Curve Cryptology, 512 Hash, Decentralized. Our instant private messenger has introduced a new era of cryptography based on Blockchain technologies. Attacks on your text message are impossible because crucial encryption keys are truly authenticated and distributed among thousands of blockchain nodes. Anonymous. One of our core features is, that only you should decide which text message is to be made public and which isn´t. Crypviser is the unique secure chatting app which doesn't require your phone number or perform SMS verification. Highly Secure. Send text message with our security protocol developed on genuine end-to-end encryption and blockchain based authentication algorithms exceed today´s requirements against all kinds of threats. File sharing. Enjoy sharing as many encrypted and private files, photos or videos as you want without size restriction. So we expand our boundaries from usual smm messenger and allow you limitless activities. Use our video calling app for all media sharing you need. Intrusion Detection. Detect and prevent MiTM ("Man-in-the-Middle") attacks by third parties through network. You will be always informed about eavesdropping attempts by third parties, where an attacker may stealthily listening to the private conversation without your consent. Multi-device support. Enjoy maximum convenience of running encrypted sms in the same message app's account on different devices. Secure sync. Have all your private messages and information synchronized to all your devices while being totally protected in encrypted mode.
Screenshots
Verdict
The clearest difference is rating: OpusChat at 5.0 against Crypviser Secure Messenger's 4.5. OpusChat also leads on update cadence (weekly vs every 5 weeks) and review sentiment (100% vs 76%). Crypviser Secure Messenger's advantage is ratings volume (81 vs 4) and iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and monetization model 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.
OpusChat holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Crypviser Secure Messenger has 81 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 100% of OpusChat's written reviews are positive against 76% of Crypviser Secure Messenger's.
OpusChat ships an update weekly, Crypviser Secure Messenger every 5 weeks. The most recent releases landed on September 2, 2026 and August 28, 2026 respectively.
| Parameter | OpusChat | Crypviser Secure Messenger |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | 4.5 (81 ratings) |
| Positive reviews | 100.0% of reviews — better | 75.7% of reviews |
| Number of ratings | 4 | 81 — better |
| Update frequency | Weekly — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 143 MB | 170 MB |
| Age rating | 4+ | 4+ |
| Developer | yyResearch Limited | Crypviser GmbH |
Customer experience
OpusChat
Crypviser Secure Messenger
Bugs and requests
OpusChat
Not enough reviews yet to summarise bugs or requests.
Crypviser Secure Messenger
Reported bugs
13 issues- No Internet Connection error despite working network
- Login screen freezes with password field obscured by popup
- Captcha validation rejects correct inputs
- Registration fails with 'insufficient characters' error despite meeting requirements
- App crashes on iOS 12 and older versions
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- Messages sent but not received or arrive out of order
- Disappearing message bombs remain indefinitely if unsent
- Account requires re-authentication after reinstall
- Video calls auto-disconnect upon connection
- App crashes when writing messages
- Last word of messages gets cut off
- Contacts list disappears after app crash
- Repeated payment requests despite active subscription
Requested features
8 requests- Dark mode option
- Custom screensaver/wallpaper support
- Group chat functionality
- Better photo selection interface (not scrolling through all photos)
- Complete screenshot blocking (not just alerts)
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- More blockchain node/server information in subscription details
- Improved notification system
- Better contact management tools
In-app purchases
OpusChat
No in-app purchases
Crypviser Secure Messenger
No in-app purchases
Questions
Is OpusChat free?
Is Crypviser Secure Messenger free?
Which has better reviews, OpusChat or Crypviser Secure Messenger?
Do OpusChat or Crypviser Secure Messenger have ads?
Which is updated more often, OpusChat or Crypviser Secure Messenger?
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