# 深度英语 vs 牛牛星球

The clearest difference is in-app purchases: 牛牛星球 at none against 深度英语's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 深度英语 sells 2 one-off in-app purchases. 牛牛星球 asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 6 days. The most recent releases landed on September 6, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | 深度英语 | 牛牛星球 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id6743025675/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 days | Every 6 days |
| Size | 122 MB | 52 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [成都麦田外科技有限公司](https://appshunter.io/developer/1800915589) | [南宁未知教育科技有限公司](https://appshunter.io/developer/1841326967) |

## What reviewers say

### 深度英语

[App page](https://appshunter.io/ios/app/id6743025675)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5天体验卡 | $7.99 | one-time |
| 365天年卡 | $499.99 | one-time |


### 牛牛星球

[App page](https://appshunter.io/ios/app/id6752850121)

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

**In-app purchases:** none


## Frequently asked questions

### Is 深度英语 free?

深度英语 is free to download, with in-app purchases available.

### Is 牛牛星球 free?

牛牛星球 is free to download, with no in-app purchases.

### Do 深度英语 or 牛牛星球 have ads?

Neither 深度英语 nor 牛牛星球 shows ads.

### Which is updated more often, 深度英语 or 牛牛星球?

深度英语 ships an update every 6 days, and 牛牛星球 every 6 days. Most recently, 深度英语 was updated on September 6, 2026 and 牛牛星球 on September 8, 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.*