# Learn Chinese vs ER3D Euler Rotations in 3D

The clearest difference is price: ER3D Euler Rotations in 3D at Free against Learn Chinese's $0.99. Learn Chinese's advantage is iOS requirement (15.6 vs 18.0). On ads, in-app purchases and device support there is nothing between them.

ER3D Euler Rotations in 3D is free to download; Learn Chinese costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Learn Chinese | ER3D Euler Rotations in 3D |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/learn-chinese-1000-proverbs/id499179348/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 23 months | — |
| Monetization | Paid | — |
| Size | 3 MB | 114 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Rividian](https://appshunter.io/developer/499179691) | [Eliott Radcliffe](https://appshunter.io/developer/1477487767) |

## What reviewers say

### Learn Chinese

[App page](https://appshunter.io/ios/app/learn-chinese-1000-proverbs/id499179348)

Master common Chinese 4-character idioms with this app. It offers a fun and effective way to search, browse, and test your knowledge through engaging quizzes and detailed progress tracking.

**Highlights:** 1000 idioms in 20 lessons, Unique quiz mode, Detailed stats for progress tracking, Pinyin search functionality, Free lifetime upgrades

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

**In-app purchases:** none


### ER3D Euler Rotations in 3D

[App page](https://appshunter.io/ios/app/er3d-euler-rotations-in-3d/id6741169432)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Learn Chinese free?

Learn Chinese costs $0.99, with no in-app purchases.

### Is ER3D Euler Rotations in 3D free?

ER3D Euler Rotations in 3D is free to download, with no in-app purchases.

### Do Learn Chinese or ER3D Euler Rotations in 3D have ads?

Neither Learn Chinese nor ER3D Euler Rotations in 3D shows ads.

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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.*