# Chinese Pinyin LearningMachine vs One Grain

The clearest difference is in-app purchases: One Grain at none against Chinese Pinyin LearningMachine's 1. One Grain also leads on ads (none vs shown) and rating (5.0 vs 4.7). Chinese Pinyin LearningMachine's advantage is ratings volume (15 vs 4). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Chinese Pinyin LearningMachine sells 1 one-off in-app purchase. One Grain asks for nothing beyond the download.

One Grain holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 15 and 4 respectively. Written reviews point the same way: 86% of Chinese Pinyin LearningMachine's written reviews are positive against 100% of One Grain's.

## The numbers

| Metric | Chinese Pinyin LearningMachine | One Grain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (15 ratings)](https://appshunter.io/ios/app/chinese-pinyin-learningmachine/id6737428615/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/one-grain/id6760805450/reviews)** |
| Number of ratings | **15** | 4 |
| Positive reviews | 85.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 88 MB | 130 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [薛峰 郑](https://appshunter.io/developer/1839827530) | [Zhehui Chi](https://appshunter.io/developer/1886332482) |

## What reviewers say

### Chinese Pinyin LearningMachine

[App page](https://appshunter.io/ios/app/chinese-pinyin-learningmachine/id6737428615)

Master Chinese Pinyin with this educational tool. It focuses on standard pronunciation, combining initials, finals, and tones. Practice individual pinyin sounds and their application in combinations.

**Highlights:** Standard Pinyin pronunciation, Initial, final, and tone combinations, Individual pinyin mastery tests, Pinyin combination application practice

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Version | $4.99 | one-time |


### One Grain

[App page](https://appshunter.io/ios/app/one-grain/id6760805450)

This app helps Chinese learners memorize characters and build reading confidence. It uses spaced repetition and contextual vocabulary exercises to create a solid foundation for understanding Chinese.

**Highlights:** Spaced repetition system for character review, Vocabulary recognition through multiple-choice, Sentence reading practice, Daily learning sessions, Low-pressure learning environment

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

**In-app purchases:** none


## Frequently asked questions

### Is Chinese Pinyin LearningMachine free?

Chinese Pinyin LearningMachine is free to download, with in-app purchases available.

### Is One Grain free?

One Grain is free to download, with no in-app purchases.

### Which has better reviews, Chinese Pinyin LearningMachine or One Grain?

One Grain is rated higher. Chinese Pinyin LearningMachine averages 4.7 out of 5 from 15 ratings, while One Grain averages 5.0 from 4 ratings.

### Do Chinese Pinyin LearningMachine or One Grain have ads?

Chinese Pinyin LearningMachine shows ads; One Grain does not.

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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.*