# 51飞鸟 vs 摸鱼词根词缀

The clearest difference is iOS requirement: 51飞鸟 at 12.0 against 摸鱼词根词缀's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

51飞鸟 ships an update every 6 weeks, 摸鱼词根词缀 every 3 months. The most recent releases landed on September 10, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | 51飞鸟 | 摸鱼词根词缀 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | Free | — |
| Size | 60 MB | 195 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [北京学研汇智网络科技有限公司](https://appshunter.io/developer/1171097549) | [光辉 廖](https://appshunter.io/developer/1490364747) |

## What reviewers say

### 51飞鸟

[App page](https://appshunter.io/ios/app/51/id1301860494)

This application helps university students improve their English skills through online learning. It allows users to view course lists, check in online, practice tests, and communicate with peers. The platform also tracks assignment completion.

**Highlights:** Online English courses, Course list viewing, Online check-in, Practice test exercises, Peer communication, Assignment tracking

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

**In-app purchases:** none


### 摸鱼词根词缀

[App page](https://appshunter.io/ios/app/id6446361357)

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

**In-app purchases:** none


## Frequently asked questions

### Is 51飞鸟 free?

51飞鸟 is free to download, with no in-app purchases.

### Is 摸鱼词根词缀 free?

摸鱼词根词缀 is free to download, with no in-app purchases.

### Do 51飞鸟 or 摸鱼词根词缀 have ads?

Neither 51飞鸟 nor 摸鱼词根词缀 shows ads.

### Which is updated more often, 51飞鸟 or 摸鱼词根词缀?

51飞鸟 ships an update every 6 weeks, and 摸鱼词根词缀 every 3 months. Most recently, 51飞鸟 was updated on September 10, 2026 and 摸鱼词根词缀 on September 23, 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.*