# CET4精选词汇 vs Learn Uzbek

The clearest difference is update cadence: Learn Uzbek at every 3 months against CET4精选词汇's every 5 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. CET4精选词汇 sells 8 in-app purchases, starting at $2.49 per month and Learn Uzbek sells 6 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

CET4精选词汇 ships an update every 5 months, Learn Uzbek every 3 months. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | CET4精选词汇 | Learn Uzbek |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 months** |
| Size | 79 MB | 104 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Li Wang](https://appshunter.io/developer/788390771) | [Dinh Thang Tran](https://appshunter.io/developer/1769927807) |

## What reviewers say

### CET4精选词汇

[App page](https://appshunter.io/ios/app/cet4/id1171020779)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1月会员 | $2.49 | per month |
| 3月会员 | $5.49 | per 3 months |
| 1年会员 | $6.99 | per year |
| 移除广告 | $3.99 | one-time |
| 「Part1」的单词和例句发音 | $4.99 | one-time |
| 「Part2」的单词和例句发音 | $4.99 | one-time |
| 「Part3」的单词和例句发音 | $5.99 | one-time |
| 「全部」的单词和例句发音 | $10.99 | one-time |


### Learn Uzbek

[App page](https://appshunter.io/ios/app/learn-uzbek-lingfast/id6771420413)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LingFast Premium Weekly | $3.99 | per 7 days |
| LingFast Premium Monthly | $8.99 | per month |
| LingFast Premium 3 Months | $19.99 | per 3 months |
| LingFast Premium 6 Months | $32.99 | per 6 months |
| LingFast Premium Yearly | $49.99 | per year |
| LingFast Premium Lifetime | $249.99 | one-time |


## Frequently asked questions

### Is CET4精选词汇 free?

CET4精选词汇 is free to download, with in-app purchases available.

### Is Learn Uzbek free?

Learn Uzbek is free to download, with in-app purchases available.

### Do CET4精选词汇 or Learn Uzbek have ads?

Neither CET4精选词汇 nor Learn Uzbek shows ads.

### Which is updated more often, CET4精选词汇 or Learn Uzbek?

CET4精选词汇 ships an update every 5 months, and Learn Uzbek every 3 months. Most recently, CET4精选词汇 was updated on October 24, 2026 and Learn Uzbek on October 16, 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.*