# LibriY vs AuthorAZ

The clearest difference is in-app purchases: LibriY at none against AuthorAZ's 1. LibriY also leads on update cadence (every 8 days vs every 3 weeks). AuthorAZ's advantage is iOS requirement (16.4 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. AuthorAZ sells 1 one-off in-app purchase. LibriY asks for nothing beyond the download.

LibriY ships an update every 8 days, AuthorAZ every 3 weeks. The most recent releases landed on October 16, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | LibriY | AuthorAZ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 3 weeks |
| Size | 2 MB | 66 MB |
| Requires iOS | 18.6 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Arian Toghyani](https://appshunter.io/developer/1440322811) | [Alex Filip](https://appshunter.io/developer/1013883929) |

## What reviewers say

### LibriY

[App page](https://appshunter.io/ios/app/libriy/id6754006681)

**Features:** macOS Compatibility

**In-app purchases:** none


### AuthorAZ

[App page](https://appshunter.io/ios/app/authoraz/id6781582501)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| English | $29.99 | one-time |


## Frequently asked questions

### Is LibriY free?

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

### Is AuthorAZ free?

AuthorAZ is free to download, with in-app purchases available.

### Do LibriY or AuthorAZ have ads?

Neither LibriY nor AuthorAZ shows ads.

### Which is updated more often, LibriY or AuthorAZ?

LibriY ships an update every 8 days, and AuthorAZ every 3 weeks. Most recently, LibriY was updated on October 16, 2026 and AuthorAZ on October 28, 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.*