245+ iOS apps curated and reviewed
The best level books apps on iPhone average 4.2★ across 245+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.7★ (917) | No | Yes | Sep 2026 | |
| 2 |  | Free | 3.5★ (14) | No | No | May 2026 | |
| 3 |  | $4.99 | 1.8★ (142) | No | Yes | Sep 2026 | |
| 4 |  | Free | 4.8★ (2.7K) | No | No | Sep 2026 | |
| 5 |  | Free | 4.6★ (4.1K) | No | Yes | Sep 2026 | |
| 6 |  | $49.99 | 4.8★ (12K) | No | No | Sep 2026 | |
| 7 |  | $0.99 | — | No | No | May 2026 | |
| 8 |  | Free | — | No | No | May 2026 |
Instantly determine the reading level of any book by scanning its barcode. Supports multiple leveling systems including AR, Lexile, and Guided Reading. Organize and export book lists for classroom or personal use.
This app offers a curated selection of children's books categorized by reading level, from Kindergarten to Grade 6. It presents a small, randomized selection of books with five-star ratings, allowing users to easily discover new reading material with a simple swipe.
Organize your personal or classroom library by scanning book ISBNs to instantly access reading level data. Track book loans, manage student rosters, and build wish lists. Sync your data across devices with cloud backup.
