# ITB Library vs iRiau

The clearest difference is update cadence: iRiau at every 9 months against ITB Library's every 19 months. ITB Library's advantage is device support. 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.

ITB Library ships an update every 19 months, iRiau every 9 months. The most recent releases landed on October 2, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | ITB Library | iRiau |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 19 months | **Every 9 months** |
| Size | 74 MB | 30 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 9+ | 4+ |
| Developer | [INSTITUT TEKNOLOGI BANDUNG](https://appshunter.io/developer/1525327345) | [WOOLU AKSARA MAYA, PT](https://appshunter.io/developer/736026560) |

## What reviewers say

### ITB Library

[App page](https://appshunter.io/ios/app/itb-library/id6443694765)

**Features:** macOS Compatibility

**In-app purchases:** none


### iRiau

[App page](https://appshunter.io/ios/app/iriau/id6474534401)

**In-app purchases:** none


## Frequently asked questions

### Is ITB Library free?

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

### Is iRiau free?

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

### Which is updated more often, ITB Library or iRiau?

ITB Library ships an update every 19 months, and iRiau every 9 months. Most recently, ITB Library was updated on October 2, 2026 and iRiau on September 24, 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.*