# 学习成长21天 vs 茶米英语

The clearest difference is in-app purchases: 学习成长21天 at none against 茶米英语's 1. 学习成长21天 also leads on update cadence (weekly vs fortnightly) and iOS requirement (9.0 vs 11.0). On price, ads and device support there is nothing between them.

Both are free to download. 茶米英语 sells 1 one-off in-app purchase. 学习成长21天 asks for nothing beyond the download.

学习成长21天 ships an update weekly, 茶米英语 fortnightly. The most recent releases landed on October 1, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 学习成长21天 | 茶米英语 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | — | Free with in-app purchases |
| Size | 66 MB | 104 MB |
| Requires iOS | **9.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Guangdong Youyixue Education Technology Co., Ltd.](https://appshunter.io/developer/1508981243) | [博 彭](https://appshunter.io/developer/1293268076) |

## What reviewers say

### 学习成长21天

[App page](https://appshunter.io/ios/app/21/id1518769944)

**In-app purchases:** none


### 茶米英语

[App page](https://appshunter.io/ios/app/id6465247075)

Master English phonics and root words with this app. It simplifies vocabulary acquisition through engaging methods, making learning English words easy and accessible.

**Highlights:** Phonics learning, Root word memorization, Vocabulary acquisition, Mind map word roots, Simplified English learning

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 升级高级用户 | $2.99 | one-time |


## Frequently asked questions

### Is 学习成长21天 free?

学习成长21天 is free to download, with no in-app purchases.

### Is 茶米英语 free?

茶米英语 is free to download, with in-app purchases available.

### Do 学习成长21天 or 茶米英语 have ads?

Neither 学习成长21天 nor 茶米英语 shows ads.

### Which is updated more often, 学习成长21天 or 茶米英语?

学习成长21天 ships an update weekly, and 茶米英语 fortnightly. Most recently, 学习成长21天 was updated on October 1, 2026 and 茶米英语 on October 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.*