# 55 Messenger vs ZenChatIM

The clearest difference is rating: ZenChatIM at 4.7 against 55 Messenger's 3.3. 55 Messenger's advantage is iOS requirement (13.0 vs 15.0). On price, review sentiment, ratings volume and update cadence there is nothing between them.

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

ZenChatIM holds the better App Store score, 4.7 against 3.3. Both are backed by a comparable volume of ratings — 77 and 216 respectively. Written reviews point the same way: 65% of 55 Messenger's written reviews are positive against 69% of ZenChatIM's.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on September 21, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | 55 Messenger | ZenChatIM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (77 ratings)](https://appshunter.io/ios/app/55-messenger/id1481921442/reviews) | **[4.7 (216 ratings)](https://appshunter.io/ios/app/zenchatim/id6476132820/reviews)** |
| Number of ratings | 77 | **216** |
| Positive reviews | 64.6% of reviews | **69.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free | Free |
| Size | 236 MB | 75 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [OCTOPUS US LLC](https://appshunter.io/developer/1481921441) | [杭州安信博源科技有限公司](https://appshunter.io/developer/1725941146) |

## What reviewers say

### 55 Messenger

[App page](https://appshunter.io/ios/app/55-messenger/id1481921442)

Communicate with friends through text, voice calls, video, and photos. Enjoy instant video messaging and secure conversations with messages that disappear after being read. Effectively manage group chats with robust features.

**Highlights:** Text, voice, and video calls, Send photos, Instant video messaging, Trace-less messaging, Burn after reading messages, Group chat management

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use interface
- 🚀 Smooth performance
- 💡 Powerful functionality
- 👍 Very practical
- 👍 Good looking interface

**What reviewers complain about**

- 🐛 App not updating
- 🐛 Old version login issues
- 🐛 Cannot log in
- 🐛 Network errors
- 🐛 App crashes

**Reported bugs**

- Old version cannot log in
- New version cannot be used
- Cannot log in
- Network abnormal error
- Network connection unstable

**Requested features**

- Update the app
- Fix login issues for old versions
- Allow login with new version
- Improve notification delivery
- Add group chat functionality


### ZenChatIM

[App page](https://appshunter.io/ios/app/zenchatim/id6476132820)

This secure messaging app offers robust end-to-end encryption to protect user communication data. It includes advanced security features like anti-screenshot and remote destruction, alongside tools for efficient information exchange and processing.

**Highlights:** End-to-end encryption, Anti-screenshot protection, Remote destruction, Top secret sessions, Global search, Group chat bulletin board

**In-app purchases:** none


## Frequently asked questions

### Is 55 Messenger free?

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

### Is ZenChatIM free?

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

### Which has better reviews, 55 Messenger or ZenChatIM?

ZenChatIM is rated higher. 55 Messenger averages 3.3 out of 5 from 77 ratings, while ZenChatIM averages 4.7 from 216 ratings.

### Do 55 Messenger or ZenChatIM have ads?

Neither 55 Messenger nor ZenChatIM shows ads.

### Which is updated more often, 55 Messenger or ZenChatIM?

55 Messenger ships an update monthly, and ZenChatIM monthly. Most recently, 55 Messenger was updated on September 21, 2026 and ZenChatIM on September 22, 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.*