# 牛鸣同城 vs 知鱼圈

The clearest difference is ads: 牛鸣同城 at none against 知鱼圈's shown. 牛鸣同城 also leads on iOS requirement (12.0 vs 15.0). 知鱼圈's advantage is update cadence (weekly vs every 6 weeks). On price, 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.

牛鸣同城 ships an update every 6 weeks, 知鱼圈 weekly. The most recent releases landed on September 20, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 牛鸣同城 | 知鱼圈 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Weekly** |
| Size | 70 MB | 42 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [剑 褚](https://appshunter.io/developer/1597243558) | [越 韩](https://appshunter.io/developer/1719996690) |

## What reviewers say

### 牛鸣同城

[App page](https://appshunter.io/ios/app/id1615153440)

**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 牛鸣同城 free?

牛鸣同城 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 牛鸣同城 or 知鱼圈 have ads?

知鱼圈 shows ads; 牛鸣同城 does not.

### Which is updated more often, 牛鸣同城 or 知鱼圈?

牛鸣同城 ships an update every 6 weeks, and 知鱼圈 weekly. Most recently, 牛鸣同城 was updated on September 20, 2026 and 知鱼圈 on October 30, 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.*