# RainbowChat vs Kuxin IM

The clearest difference is update cadence: Kuxin IM at fortnightly against RainbowChat's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

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

RainbowChat ships an update every 2 months, Kuxin IM fortnightly. The most recent releases landed on September 14, 2026 and June 22, 2026 respectively.

## The numbers

| Metric | RainbowChat | Kuxin IM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/kuxin-im/id1515690189/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | — | Free |
| Size | 33 MB | 179 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 9+ |
| Developer | [顺 江](https://appshunter.io/developer/1423024211) | [路路 院](https://appshunter.io/developer/1448861780) |

## What reviewers say

### RainbowChat

[App page](https://appshunter.io/ios/app/rainbowchat/id1423024212)

**Features:** macOS Compatibility

**In-app purchases:** none


### Kuxin IM

[App page](https://appshunter.io/ios/app/kuxin-im/id1515690189)

A secure and feature-rich instant messaging application designed for high availability and privacy. It offers end-to-end encryption, private cloud deployment, and robust group chat capabilities for large communities.

**Highlights:** End-to-end encryption, Private cloud deployment, High availability server, Large group chat support, Video and voice conferencing, Burn after reading messages

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RainbowChat free?

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

### Is Kuxin IM free?

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

### Do RainbowChat or Kuxin IM have ads?

Neither RainbowChat nor Kuxin IM shows ads.

### Which is updated more often, RainbowChat or Kuxin IM?

RainbowChat ships an update every 2 months, and Kuxin IM fortnightly. Most recently, RainbowChat was updated on September 14, 2026 and Kuxin IM on June 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.*