# ChatTT vs 知鱼圈

The clearest difference is update cadence: 知鱼圈 at every 9 days against ChatTT's every 2 months. ChatTT's advantage is iOS requirement (8.0 vs 15.0). 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.

ChatTT ships an update every 2 months, 知鱼圈 every 9 days. The most recent releases landed on October 9, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ChatTT | 知鱼圈 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 9 days** |
| Size | 21 MB | 42 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [晓东 蔡](https://appshunter.io/developer/1606602944) | [Zhiyuquan (Shandong) Technology Consulting Co., Ltd](https://appshunter.io/developer/1719996690) |

## What reviewers say

### ChatTT

[App page](https://appshunter.io/ios/app/chattt-ai/id6449466713)

**Features:** macOS Compatibility

**In-app purchases:** none


### 知鱼圈

[App page](https://appshunter.io/ios/app/id6475700637)

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

**In-app purchases:** none


## Frequently asked questions

### Is ChatTT free?

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

### Is 知鱼圈 free?

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

### Do ChatTT or 知鱼圈 have ads?

Both ChatTT and 知鱼圈 show ads.

### Which is updated more often, ChatTT or 知鱼圈?

ChatTT ships an update every 2 months, and 知鱼圈 every 9 days. Most recently, ChatTT was updated on October 9, 2026 and 知鱼圈 on October 24, 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.*