# 小蜗牛智慧书 vs PinyinDic

The clearest difference is in-app purchases: 小蜗牛智慧书 at none against PinyinDic's 3. 小蜗牛智慧书 also leads on iOS requirement (12.0 vs 15.5). PinyinDic's advantage is device support. On price there is nothing between them.

Both are free to download. PinyinDic sells 3 in-app purchases, starting at $0.99 per month. 小蜗牛智慧书 asks for nothing beyond the download.

## The numbers

| Metric | 小蜗牛智慧书 | PinyinDic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pinyindic/id6747630427/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 2 months |
| Monetization | — | Free |
| Size | 89 MB | 143 MB |
| Requires iOS | **12.0** | 15.5 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Hangzhou Daxiang Tianxia Technology Co., Ltd.](https://appshunter.io/developer/1256255332) | [亮 杨](https://appshunter.io/developer/1704247723) |

## What reviewers say

### 小蜗牛智慧书

[App page](https://appshunter.io/ios/app/id1535575929)

**In-app purchases:** none


### PinyinDic

[App page](https://appshunter.io/ios/app/pinyindic/id6747630427)

This app offers a comprehensive Chinese character learning experience with AI-powered lookup, scientific review methods, and personalized study tools. It supports multiple input methods, detailed character information, and a customizable notebook for efficient learning.

**Highlights:** Multi-modal query (keyboard, handwriting, OCR), Detailed character information and definitions, AI-driven Ebbinghaus forgetting curve review, Personalized character notebook management, Voice reading of Mandarin pronunciation, Data import and export

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $0.99 | per month |
| Pro Annual | $5.99 | per year |
| Pro Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is 小蜗牛智慧书 free?

小蜗牛智慧书 is free to download, with no in-app purchases.

### Is PinyinDic free?

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

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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.*