# Nobi Pro vs USU

The clearest difference is device support: USU at 3 against Nobi Pro's —. On price, in-app purchases and iOS requirement 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 | Nobi Pro | USU |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 2 weeks |
| Size | 12 MB | 40 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Than Phan](https://appshunter.io/developer/1217315191) | [Usu Solution](https://appshunter.io/developer/6789863204) |

## What reviewers say

### Nobi Pro

[App page](https://appshunter.io/ios/app/nobi-pro/id1498720697)

**In-app purchases:** none


### USU

[App page](https://appshunter.io/ios/app/usu/id6789863202)

**In-app purchases:** none


## Frequently asked questions

### Is Nobi Pro free?

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

### Is USU free?

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

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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.*