# OpusChat vs Crypviser Secure Messenger

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.

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.

## The numbers

| Metric | OpusChat | Crypviser Secure Messenger |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/opuschat/id1008680858/reviews)** | [4.5 (81 ratings)](https://appshunter.io/ios/app/crypviser-secure-messenger/id1282141716/reviews) |
| Number of ratings | 4 | **81** |
| Positive reviews | **100.0% of reviews** | 75.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 5 weeks |
| Monetization | Free | Free |
| Size | 143 MB | 170 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [yyResearch Limited](https://appshunter.io/developer/899062213) | [Crypviser GmbH](https://appshunter.io/developer/1282141715) |

## What reviewers say

### OpusChat

[App page](https://appshunter.io/ios/app/opuschat/id1008680858)

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.

**Highlights:** Multi-persona support, Secure multimedia messaging, High-quality voice calls, Customizable persona settings, End-to-end encryption, Granular privacy controls

**Features:** macOS Compatibility

**In-app purchases:** none


### Crypviser Secure Messenger

[App page](https://appshunter.io/ios/app/crypviser-secure-messenger/id1282141716)

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.

**Highlights:** 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

**In-app purchases:** none

**What reviewers like**

- 🔒 Blockchain-based encryption and security
- 🔒 Screenshot detection and intrusion alerts
- 🔒 Message forwarding and copying restrictions
- 👍 User-friendly and minimalist interface
- 🎥 High-quality video and voice calls

**What reviewers complain about**

- 💰 Requires paid subscription for full features
- 🐛 Frequent connectivity issues ('No Internet Connection' errors)
- 🐛 App crashes and freezes during login
- 🐛 Unstable performance and crashes
- 🐛 Messages not delivered reliably

**Reported bugs**

- 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

**Requested features**

- 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)


## Frequently asked questions

### Is OpusChat free?

OpusChat is free to download, with no in-app purchases.

### Is Crypviser Secure Messenger free?

Crypviser Secure Messenger is free to download, with no in-app purchases.

### Which has better reviews, OpusChat or Crypviser Secure Messenger?

OpusChat is rated higher. OpusChat averages 5.0 out of 5 from 4 ratings, while Crypviser Secure Messenger averages 4.5 from 81 ratings.

### Do OpusChat or Crypviser Secure Messenger have ads?

Neither OpusChat nor Crypviser Secure Messenger shows ads.

### Which is updated more often, OpusChat or Crypviser Secure Messenger?

OpusChat ships an update weekly, and Crypviser Secure Messenger every 5 weeks. Most recently, OpusChat was updated on September 2, 2026 and Crypviser Secure Messenger on August 28, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*