Libby, the library app vs Alien10
Side-by-side comparison on App Store — Updated 2026
Libby, the library app
VS
Alien10
| Metric | Libby, the library app | Alien10 |
|---|---|---|
| Developer | OverDrive, Inc. | Saddiq Rahim |
| Rating | 4.9★ | 4.3★ |
| Reviews | 4.1M | 329 |
| Installs | — | — |
| Price | Free | USD1.99 |
| In-App Purchases | No | No |
| Best Rank | #2 | #7 |
| Content Rating | 9+ | 4+ |
| Last Updated | 2026-02-19 | 2021-01-19 |
Libby, the library app vs Alien10: Overview
Libby, the library app and Alien10 are both Book apps available on the App Store. Libby, the library app has a 4.9-star rating from 4.1M reviews, while Alien10 has 4.3 stars from 329 reviews. In terms of rankings, Libby, the library app reaches #2 and Alien10 reaches #7 in the Book charts.
Frequently Asked Questions
Which is better, Libby, the library app or Alien10?
Based on user ratings, Libby, the library app (4.9★) is rated higher than Alien10 (4.3★). However, the best choice depends on your specific needs.
Is Libby, the library app or Alien10 more popular?
Libby, the library app has more reviews (4.1M) compared to Alien10 (329), suggesting it is more widely used.
Are Libby, the library app and Alien10 free?
Libby, the library app is free. Alien10 is USD1.99.
What category are Libby, the library app and Alien10 in?
Both apps are in the Book category on App Store. See the full Book category report.