# i南中医 vs Acu

The clearest difference is iOS requirement: i南中医 at 11.0 against Acu's 16.4. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

i南中医 ships an update monthly, Acu every 5 weeks. The most recent releases landed on September 16, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | i南中医 | Acu |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 weeks |
| Size | 166 MB | 1.7 GB |
| Requires iOS | **11.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Nanjing University of Chinese Medicine](https://appshunter.io/developer/1481173849) | [Shanghai University of Traditional Chinese Medicine](https://appshunter.io/developer/1212219864) |

## What reviewers say

### i南中医

[App page](https://appshunter.io/ios/app/i/id1448677225)

**Features:** macOS Compatibility

**In-app purchases:** none


### Acu

[App page](https://appshunter.io/ios/app/acu-assistant/id6754641620)

**In-app purchases:** none


## Frequently asked questions

### Is i南中医 free?

i南中医 is free to download, with no in-app purchases.

### Is Acu free?

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

### Do i南中医 or Acu have ads?

Neither i南中医 nor Acu shows ads.

### Which is updated more often, i南中医 or Acu?

i南中医 ships an update monthly, and Acu every 5 weeks. Most recently, i南中医 was updated on September 16, 2026 and Acu on September 7, 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.*