# 亿鸽 vs DiffMind

The clearest difference is in-app purchases: 亿鸽 at none against DiffMind's 6. DiffMind's advantage is update cadence (every 8 days vs monthly) and iOS requirement (15.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. DiffMind sells 6 one-off in-app purchases. 亿鸽 asks for nothing beyond the download.

亿鸽 ships an update monthly, DiffMind every 8 days. The most recent releases landed on November 7, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | 亿鸽 | DiffMind |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 8 days** |
| Size | 20 MB | 28 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [观成 余](https://appshunter.io/developer/1073429239) | [香港异度思维科技有限公司 Hong Kong DiffMind Technology Co., Limited](https://appshunter.io/developer/6790750723) |

## What reviewers say

### 亿鸽

[App page](https://appshunter.io/ios/app/id1585289747)

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

**In-app purchases:** none


### DiffMind

[App page](https://appshunter.io/ios/app/diffmind-ai/id6790750721)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus 月卡 | $19.90 | one-time |
| Pro 月卡 | $39.90 | one-time |
| Plus 季卡 | $50.90 | one-time |
| Pro 季卡 | $101.99 | one-time |
| Plus 年卡 | $155.99 | one-time |
| Pro 年卡 | $309.99 | one-time |


## Frequently asked questions

### Is 亿鸽 free?

亿鸽 is free to download, with no in-app purchases.

### Is DiffMind free?

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

### Do 亿鸽 or DiffMind have ads?

Neither 亿鸽 nor DiffMind shows ads.

### Which is updated more often, 亿鸽 or DiffMind?

亿鸽 ships an update monthly, and DiffMind every 8 days. Most recently, 亿鸽 was updated on November 7, 2026 and DiffMind on November 13, 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.*