# RainbowChat vs 航瑞研究吧

The clearest difference is update cadence: 航瑞研究吧 at every 2 weeks 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, 航瑞研究吧 every 2 weeks. The most recent releases landed on October 2, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | RainbowChat | 航瑞研究吧 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 33 MB | 194 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [顺 江](https://appshunter.io/developer/1423024211) | [Ningxia Hangruizhuo Information Technology Co., Ltd](https://appshunter.io/developer/1783944335) |

## What reviewers say

### RainbowChat

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

**Features:** macOS Compatibility

**In-app purchases:** none


### 航瑞研究吧

[App page](https://appshunter.io/ios/app/id6739158693)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RainbowChat free?

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

### Is 航瑞研究吧 free?

航瑞研究吧 is free to download, with no in-app purchases.

### Do RainbowChat or 航瑞研究吧 have ads?

Neither RainbowChat nor 航瑞研究吧 shows ads.

### Which is updated more often, RainbowChat or 航瑞研究吧?

RainbowChat ships an update every 2 months, and 航瑞研究吧 every 2 weeks. Most recently, RainbowChat was updated on October 2, 2026 and 航瑞研究吧 on October 16, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*