250+ iOS apps curated and reviewed
The best online books for free apps on iPhone average 4.5★ across 250+ 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★ (2.9K) | Yes | Yes | Sep 2026 | |
| 2 |  | Free | 4.9★ (5.8M) | No | No | Sep 2026 | |
| 3 |  | Free | 4.4★ (89K) | No | No | Sep 2026 | |
| 4 |  | Free | 4.9★ (4.4M) | No | No | Sep 2026 | |
| 5 |  | Free | 4.8★ (1.4M) | No | No | Sep 2026 | |
| 6 |  | Free | 4.7★ (3.8M) | Yes | Yes | Sep 2026 | |
| 7 |  | Free | 4.7★ (117K) | Yes | No | Sep 2026 | |
| 8 |  | Free | 4.9★ (5.6M) | No | Yes | Sep 2026 |
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