# EVO BUG vs Libby, the library app

The clearest difference is review sentiment: Libby, the library app at 84% against EVO BUG's 0%. Libby, the library app also leads on chart position (#2 vs unranked). EVO BUG's advantage is update cadence (every 11 days vs monthly) and iOS requirement (5.1.1 vs 13.0). 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.

EVO BUG ships an update every 11 days, Libby, the library app monthly. The most recent releases landed on June 1, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | EVO BUG | Libby, the library app |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (4.5M ratings)](https://appshunter.io/ios/app/libby-the-library-app/id1076402606/reviews)** |
| Number of ratings | — | **4.5M** |
| Positive reviews | 0.0% of reviews | **83.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 days** | Monthly |
| Monetization | Free | Free |
| Best chart rank | — | **#2** |
| Size | 277 MB | 5 MB |
| Requires iOS | **5.1.1** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Alzzam Education Corp.](https://appshunter.io/developer/868032382) | [OverDrive, Inc.](https://appshunter.io/developer/366869255) |

## What reviewers say

### 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


### Libby, the library app

[App page](https://appshunter.io/ios/app/libby-the-library-app/id1076402606)

**Currently charting:** #2 Top Free · Book (US App Store)

Access millions of free ebooks and audiobooks from your local library. Borrow titles instantly with your library card, download for offline enjoyment, and enjoy a customizable reading and listening experience.

**Highlights:** Borrow ebooks and audiobooks, Download for offline access, Send ebooks to Kindle, Adjust reader settings, Customize audio player, Create book lists

**In-app purchases:** none

**What reviewers like**

- 📚 Extensive library of books and audiobooks
- 🔍 Convenient search and browsing features
- 🔖 Easy to manage holds and returns
- 🔄 Seamless syncing across devices
- 🕰️ Automatic returns to avoid late fees

**What reviewers complain about**

- 🕰️ Long wait times for popular titles
- 🔍 Confusing search and filtering options
- 🤯 Buggy and unstable performance
- 🔒 Lack of offline reading/listening
- 📚 Limited selection in some genres

**Reported bugs**

- Frequent app crashes and freezes
- Issues with downloading and syncing content
- Unreliable playback controls for audiobooks
- Inconsistent behavior when placing holds
- Disappearing reading history and bookmarks

**Requested features**

- Ability to search across multiple libraries
- Custom reading/listening speed controls
- Improved recommendation and discovery tools
- Option to purchase unavailable titles
- Customizable reading experience (fonts, themes)


## Frequently asked questions

### Is EVO BUG free?

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

### Is Libby, the library app free?

Libby, the library app is free to download, with no in-app purchases.

### Do EVO BUG or Libby, the library app have ads?

Neither EVO BUG nor Libby, the library app shows ads.

### Which is updated more often, EVO BUG or Libby, the library app?

EVO BUG ships an update every 11 days, and Libby, the library app monthly. Most recently, EVO BUG was updated on June 1, 2026 and Libby, the library app on October 1, 2026.

---

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