# EIU Library vs AuthorAZ

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

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

EIU Library ships an update every 10 days, AuthorAZ every 2 weeks. The most recent releases landed on October 12, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | EIU Library | AuthorAZ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/eiu-library/id1559526918/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 2 weeks |
| Monetization | Free | — |
| Size | 77 MB | 62 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Eastern International University](https://appshunter.io/developer/1559526920) | [Alex Filip](https://appshunter.io/developer/1013883929) |

## What reviewers say

### EIU Library

[App page](https://appshunter.io/ios/app/eiu-library/id1559526918)

This mobile application provides library patrons with a comprehensive suite of tools to manage their library experience. Users can search the catalog, borrow, return, and renew items, as well as access electronic resources and schedule appointments.

**Highlights:** Manage user profiles, Search library catalog, Borrow, return, and renew items, Manage loans and reservations, Access electronic resources, Reserve study rooms and PCs, Track environmental status

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

**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 EIU Library free?

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

### Is AuthorAZ free?

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

### Do EIU Library or AuthorAZ have ads?

Neither EIU Library nor AuthorAZ shows ads.

### Which is updated more often, EIU Library or AuthorAZ?

EIU Library ships an update every 10 days, and AuthorAZ every 2 weeks. Most recently, EIU Library was updated on October 12, 2026 and AuthorAZ on October 4, 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.*