# Crypviser Secure Messenger vs ZERO Messenger

The clearest difference is update cadence: ZERO Messenger at weekly against Crypviser Secure Messenger's every 5 weeks. Crypviser Secure Messenger's advantage is ratings volume (81 vs 15) and iOS requirement (13.0 vs 18.5). On price, rating, review sentiment and ads there is nothing between them.

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

ZERO Messenger holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: Crypviser Secure Messenger has 81 ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 76% of Crypviser Secure Messenger's written reviews are positive against 78% of ZERO Messenger's.

Crypviser Secure Messenger ships an update every 5 weeks, ZERO Messenger weekly. The most recent releases landed on October 11, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Crypviser Secure Messenger | ZERO Messenger |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (81 ratings)](https://appshunter.io/ios/app/crypviser-secure-messenger/id1282141716/reviews) | **[4.7 (15 ratings)](https://appshunter.io/ios/app/zero-messenger/id6476882926/reviews)** |
| Number of ratings | **81** | 15 |
| Positive reviews | 75.7% of reviews | **77.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Weekly** |
| Monetization | Free | Free |
| Size | 170 MB | 248 MB |
| Requires iOS | **13.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Crypviser GmbH](https://appshunter.io/developer/1282141715) | [Zero to Infinity, Inc.](https://appshunter.io/developer/1728066651) |

## 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)


### ZERO Messenger

[App page](https://appshunter.io/ios/app/zero-messenger/id6476882926)

A secure and private messaging app built on decentralized architecture. It offers end-to-end encryption, Web3 integration, and no ads or surveillance. Reclaim your digital rights with this free, anonymous communication tool.

**Highlights:** Decentralized architecture, End-to-end encryption, Web3 wallet login, Token-gated chats, Cross-device access, No phone number required, Sleek and minimal design

**Features:** macOS Compatibility

**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 ZERO Messenger free?

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

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

ZERO Messenger is rated higher. Crypviser Secure Messenger averages 4.5 out of 5 from 81 ratings, while ZERO Messenger averages 4.7 from 15 ratings.

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

Neither Crypviser Secure Messenger nor ZERO Messenger shows ads.

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

Crypviser Secure Messenger ships an update every 5 weeks, and ZERO Messenger weekly. Most recently, Crypviser Secure Messenger was updated on October 11, 2026 and ZERO Messenger on October 16, 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.*