# USG APP vs AI for Scientist

The clearest difference is device support: USG APP at 3 against AI for Scientist's 1. USG APP also leads on iOS requirement (13.4 vs 16.0). On price, 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.

## The numbers

| Metric | USG APP | AI for Scientist |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Size | 34 MB | 1 MB |
| Requires iOS | **13.4** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [USG United Scientific Group](https://appshunter.io/developer/1782302883) | [Sichen Li](https://appshunter.io/developer/1873800175) |

## What reviewers say

### USG APP

[App page](https://appshunter.io/ios/app/usg-app/id6738779185)

**Features:** macOS Compatibility

**In-app purchases:** none


### AI for Scientist

[App page](https://appshunter.io/ios/app/ai-for-scientist/id6758586221)

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

**In-app purchases:** none


## Frequently asked questions

### Is USG APP free?

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

### Is AI for Scientist free?

AI for Scientist is free to download, with no in-app purchases.

### Do USG APP or AI for Scientist have ads?

Neither USG APP nor AI for Scientist shows ads.

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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.*