# RainbowChat vs Rust论坛

The clearest difference is update cadence: Rust论坛 at every 8 days against RainbowChat's every 2 months. RainbowChat's advantage is iOS requirement (12.0 vs 15.1). 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, Rust论坛 every 8 days. The most recent releases landed on September 14, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | RainbowChat | Rust论坛 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 8 days** |
| Size | 33 MB | 41 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [顺 江](https://appshunter.io/developer/1423024211) | [Jun Li](https://appshunter.io/developer/1190914894) |

## What reviewers say

### RainbowChat

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Rust论坛

[App page](https://appshunter.io/ios/app/rust/id6757207234)

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

**In-app purchases:** none


## Frequently asked questions

### Is RainbowChat free?

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

### Is Rust论坛 free?

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

### Do RainbowChat or Rust论坛 have ads?

Neither RainbowChat nor Rust论坛 shows ads.

### Which is updated more often, RainbowChat or Rust论坛?

RainbowChat ships an update every 2 months, and Rust论坛 every 8 days. Most recently, RainbowChat was updated on September 14, 2026 and Rust论坛 on September 18, 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.*