# OpusChat vs CollaChat

The clearest difference is update cadence: OpusChat at weekly against CollaChat's every 2 months. OpusChat also leads on ratings volume (4 vs 1). 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.

On the App Store both sit at effectively the same score — 5.0 for OpusChat against 5.0 for CollaChat. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

OpusChat ships an update weekly, CollaChat every 2 months. The most recent releases landed on September 2, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | OpusChat | CollaChat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/opuschat/id1008680858/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/collachat/id1546363298/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Free | Free |
| Size | 143 MB | 288 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [yyResearch Limited](https://appshunter.io/developer/899062213) | [CURL TECH PTE. LTD.](https://appshunter.io/developer/1546363300) |

## 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


### CollaChat

[App page](https://appshunter.io/ios/app/collachat/id1546363298)

A decentralized, open-source messaging app focused on privacy and data security. It leverages blockchain technology for peer-to-peer communication, offering end-to-end encryption and user control over data storage.

**Highlights:** Decentralized communication network, End-to-end message encryption, Open-source client and server, Multi-device support (Web/Mobile/Desktop), Group chats and calls, Message self-destruction and recall, Contact and chat locking

**In-app purchases:** none


## Frequently asked questions

### Is OpusChat free?

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

### Is CollaChat free?

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

### Which has better reviews, OpusChat or CollaChat?

OpusChat and CollaChat are both rated 5.0 out of 5 on the App Store, from 4 and 1 ratings respectively.

### Do OpusChat or CollaChat have ads?

Neither OpusChat nor CollaChat shows ads.

### Which is updated more often, OpusChat or CollaChat?

OpusChat ships an update weekly, and CollaChat every 2 months. Most recently, OpusChat was updated on September 2, 2026 and CollaChat on September 19, 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.*