# LibraryThing vs EVO BUG

The clearest difference is review sentiment: LibraryThing at 48% against EVO BUG's 0%. EVO BUG's advantage is update cadence (every 11 days vs every 4 weeks) and iOS requirement (5.1.1 vs 11.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

LibraryThing ships an update every 4 weeks, EVO BUG every 11 days. The most recent releases landed on September 29, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | LibraryThing | EVO BUG |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (278 ratings)](https://appshunter.io/ios/app/librarything/id948824489/reviews)** | — |
| Number of ratings | **278** | — |
| Positive reviews | **48.2% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 11 days** |
| Monetization | Free | Free |
| Size | 9 MB | 277 MB |
| Requires iOS | 11.0 | **5.1.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [LibraryThing.com](https://appshunter.io/developer/397718884) | [Alzzam Education Corp.](https://appshunter.io/developer/868032382) |

## What reviewers say

### LibraryThing

[App page](https://appshunter.io/ios/app/librarything/id948824489)

Catalog your personal book, DVD, and CD collections. Easily add items by searching or scanning barcodes. Enhance your catalog with high-resolution cover photos and browse your collection visually.

**Highlights:** Catalog books, DVDs, and CDs, Search for media items, Scan ISBN barcodes, Add high-resolution cover photos, Browse collection by cover type

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Quick barcode scanning
- 👍 Useful for cataloging library
- 🚀 Fast book addition

**What reviewers complain about**

- 🐛 Glitches and crashes
- 🔍 Limited search and editing capabilities
- 🤖 Outdated and dated UI

**Reported bugs**

- Barcode scanner not working
- Books disappearing from catalog
- Editing and saving issues

**Requested features**

- Ability to create custom collections
- Offline access to library
- Integration with other book apps
- Lending/loan tracking feature


### EVO BUG

[App page](https://appshunter.io/ios/app/evo-bug-augmented-reality/id1071230998)

This app brings bugs to life through augmented reality when viewed through a smart device. Interact with 3D animated bugs, learn about them, and engage in fun activities. Requires a special AR book to use.

**Highlights:** Augmented reality bug experiences, Interactive 3D bug animations, Learn bug facts and sounds, Feed and interact with bugs, High-quality 3D animation and sound, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LibraryThing free?

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

### Is EVO BUG free?

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

### Do LibraryThing or EVO BUG have ads?

Neither LibraryThing nor EVO BUG shows ads.

### Which is updated more often, LibraryThing or EVO BUG?

LibraryThing ships an update every 4 weeks, and EVO BUG every 11 days. Most recently, LibraryThing was updated on September 29, 2026 and EVO BUG on June 1, 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.*