# 逻辑思维训练 vs 小豆丁

The clearest difference is in-app purchases: 小豆丁 at none against 逻辑思维训练's 3. 小豆丁 also leads on ads (none vs shown) and update cadence (every 5 days vs every 8 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 逻辑思维训练 sells 3 one-off in-app purchases. 小豆丁 asks for nothing beyond the download.

逻辑思维训练 ships an update every 8 months, 小豆丁 every 5 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 逻辑思维训练 | 小豆丁 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Every 5 days** |
| Size | 17 MB | 2 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [杭州家之馨电子商务有限公司](https://appshunter.io/developer/1641228139) | [昌喜 刘](https://appshunter.io/developer/1892922605) |

## What reviewers say

### 逻辑思维训练

[App page](https://appshunter.io/ios/app/id6450660226)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员 | $4.99 | one-time |
| 半年会员 | $7.99 | one-time |
| 年度会员 | $11.99 | one-time |


### 小豆丁

[App page](https://appshunter.io/ios/app/id6775833119)

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

**In-app purchases:** none


## Frequently asked questions

### Is 逻辑思维训练 free?

逻辑思维训练 is free to download, with in-app purchases available.

### Is 小豆丁 free?

小豆丁 is free to download, with no in-app purchases.

### Do 逻辑思维训练 or 小豆丁 have ads?

逻辑思维训练 shows ads; 小豆丁 does not.

### Which is updated more often, 逻辑思维训练 or 小豆丁?

逻辑思维训练 ships an update every 8 months, and 小豆丁 every 5 days. Most recently, 逻辑思维训练 was updated on November 3, 2026 and 小豆丁 on October 31, 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.*