# MLC Library vs AuthorAZ

The clearest difference is in-app purchases: MLC Library at none against AuthorAZ's 1. On price, ads, device support and iOS requirement there is nothing between them.

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

## The numbers

| Metric | MLC Library | AuthorAZ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Size | 42 MB | 62 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Equinox Open Library Initiative, Inc.](https://appshunter.io/developer/1688468859) | [Alex Filip](https://appshunter.io/developer/1013883929) |

## What reviewers say

### MLC Library

[App page](https://appshunter.io/ios/app/mlc-library/id6742466816)

**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 MLC Library free?

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

### Is AuthorAZ free?

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

### Do MLC Library or AuthorAZ have ads?

Neither MLC Library nor AuthorAZ shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*