# 视唱练耳专家 vs 4000基础必备英语单词2

The clearest difference is price: 视唱练耳专家 at Free against 4000基础必备英语单词2's $0.99. 视唱练耳专家 also leads on update cadence (every 8 days vs every 2 months) and iOS requirement (13.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

视唱练耳专家 is free to download; 4000基础必备英语单词2 costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

视唱练耳专家 ships an update every 8 days, 4000基础必备英语单词2 every 2 months. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 视唱练耳专家 | 4000基础必备英语单词2 |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 2 months |
| Size | 139 MB | 170 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [jack lau](https://appshunter.io/developer/1080059706) | [水生 王](https://appshunter.io/developer/1587470458) |

## What reviewers say

### 视唱练耳专家

[App page](https://appshunter.io/ios/app/id1173158650)

**In-app purchases:** none


### 4000基础必备英语单词2

[App page](https://appshunter.io/ios/app/40002/id1640442459)

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

**In-app purchases:** none


## Frequently asked questions

### Is 视唱练耳专家 free?

视唱练耳专家 is free to download, with no in-app purchases.

### Is 4000基础必备英语单词2 free?

4000基础必备英语单词2 costs $0.99, with no in-app purchases.

### Do 视唱练耳专家 or 4000基础必备英语单词2 have ads?

Neither 视唱练耳专家 nor 4000基础必备英语单词2 shows ads.

### Which is updated more often, 视唱练耳专家 or 4000基础必备英语单词2?

视唱练耳专家 ships an update every 8 days, and 4000基础必备英语单词2 every 2 months. Most recently, 视唱练耳专家 was updated on October 29, 2026 and 4000基础必备英语单词2 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.*