# Library Catalog vs integer AR

The clearest difference is update cadence: Library Catalog at every 3 weeks against integer AR's every 2 months. integer AR's advantage is iOS requirement (12.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Library Catalog ships an update every 3 weeks, integer AR every 2 months. The most recent releases landed on September 25, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Library Catalog | integer AR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (15 ratings)](https://appshunter.io/ios/app/library-catalog/id1515907399/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 72.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 62 MB | 172 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Vladimir Yakushev](https://appshunter.io/developer/1515907398) | [integer AR](https://appshunter.io/developer/1156869823) |

## What reviewers say

### Library Catalog

[App page](https://appshunter.io/ios/app/library-catalog/id1515907399)

Organize all your printed books digitally with this app. Easily add books, create custom lists, and attach them to virtual shelves for quick retrieval. Share collections, get expert recommendations, and access your library across all devices.

**Highlights:** Add books with a few clicks, Attach printed books to virtual shelves, Create book lists using a global database, Share book collections and links, Get expert recommendations, Make wish-lists and reading lists, Access lists on all devices

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

**In-app purchases:** none


### integer AR

[App page](https://appshunter.io/ios/app/integer-ar/id1634626496)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Library Catalog free?

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

### Is integer AR free?

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

### Do Library Catalog or integer AR have ads?

Neither Library Catalog nor integer AR shows ads.

### Which is updated more often, Library Catalog or integer AR?

Library Catalog ships an update every 3 weeks, and integer AR every 2 months. Most recently, Library Catalog was updated on September 25, 2026 and integer AR on September 22, 2026.

---

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