# Crypviser Secure Messenger vs Chums Chat

The clearest difference is iOS requirement: Crypviser Secure Messenger at 13.0 against Chums Chat's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Crypviser Secure Messenger ships an update every 5 weeks, Chums Chat monthly. The most recent releases landed on August 28, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Crypviser Secure Messenger | Chums Chat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (81 ratings)](https://appshunter.io/ios/app/crypviser-secure-messenger/id1282141716/reviews)** | — |
| Number of ratings | **81** | — |
| Positive reviews | 75.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Free | — |
| Size | 170 MB | 139 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 17+ |
| Developer | [Crypviser GmbH](https://appshunter.io/developer/1282141715) | [Evercash d.o.o.](https://appshunter.io/developer/1710721365) |

## What reviewers say

### 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)


### Chums Chat

[App page](https://appshunter.io/ios/app/chums-chat/id6458741197)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Crypviser Secure Messenger free?

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

### Is Chums Chat free?

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

### Do Crypviser Secure Messenger or Chums Chat have ads?

Neither Crypviser Secure Messenger nor Chums Chat shows ads.

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

Crypviser Secure Messenger ships an update every 5 weeks, and Chums Chat monthly. Most recently, Crypviser Secure Messenger was updated on August 28, 2026 and Chums Chat on September 12, 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.*