# AI红单 vs 理数IQ

The clearest difference is in-app purchases: 理数IQ at none against AI红单's 6. AI红单's advantage is iOS requirement (12.0 vs 14.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. AI红单 sells 6 one-off in-app purchases. 理数IQ asks for nothing beyond the download.

AI红单 ships an update every 2 months, 理数IQ every 5 weeks. The most recent releases landed on November 5, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | AI红单 | 理数IQ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Size | 46 MB | 171 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Hainan Yijing Technology Co., Ltd](https://appshunter.io/developer/1855426206) | [Personalized Homehealth Care LLC](https://appshunter.io/developer/6788385040) |

## What reviewers say

### AI红单

[App page](https://appshunter.io/ios/app/ai/id6755669864)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10幸运币 | $0.99 | one-time |
| 30幸运币 | $3.99 | one-time |
| 50幸运币 | $6.99 | one-time |
| 100幸运币 | $14.99 | one-time |
| 200幸运币 | $29.99 | one-time |
| 500幸运币 | $69.99 | one-time |


### 理数IQ

[App page](https://appshunter.io/ios/app/iq/id6788385038)

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

**In-app purchases:** none


## Frequently asked questions

### Is AI红单 free?

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

### Is 理数IQ free?

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

### Do AI红单 or 理数IQ have ads?

Neither AI红单 nor 理数IQ shows ads.

### Which is updated more often, AI红单 or 理数IQ?

AI红单 ships an update every 2 months, and 理数IQ every 5 weeks. Most recently, AI红单 was updated on November 5, 2026 and 理数IQ on November 10, 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.*