# LibOU vs OUELO

The clearest difference is iOS requirement: LibOU at 13.0 against OUELO's 15.6. 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.

LibOU ships an update monthly, OUELO every 3 weeks. Both last shipped on October 9, 2026.

## The numbers

| Metric | LibOU | OUELO |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Size | 23 MB | 52 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Pyramid Software and Consulting Company Limited](https://appshunter.io/developer/885416042) | [HO CHI MINH CITY OPEN UNIVERSITY](https://appshunter.io/developer/1479161594) |

## What reviewers say

### LibOU

[App page](https://appshunter.io/ios/app/libou/id1623776268)

**Features:** macOS Compatibility

**In-app purchases:** none


### OUELO

[App page](https://appshunter.io/ios/app/ouelo/id6737468740)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LibOU free?

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

### Is OUELO free?

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

### Do LibOU or OUELO have ads?

Neither LibOU nor OUELO shows ads.

### Which is updated more often, LibOU or OUELO?

LibOU ships an update monthly, and OUELO every 3 weeks. Most recently, LibOU was updated on October 9, 2026 and OUELO on October 9, 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.*