241+ iOS apps curated and reviewed
Biology Encyclopedia is the household name in encyclopedia biology, but it's far from the only option. We track 241+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | — | No | No | May 2026 | |
| 2 |  | Free | — | Yes | No | Oct 2026 | |
| 3 |  | Free | 4.0★ (66) | Yes | No | Sep 2026 | |
| 4 |  | Free | 4.1★ (9) | No | Yes | May 2026 | |
| 5 |  | Free | 2.5★ (4) | No | No | May 2026 | |
| 6 |  | Free | 4.6★ (401) | Yes | Yes | Sep 2026 | |
| 7 |  | Free | 4.7★ (178) | No | Yes | Sep 2026 | |
| 8 |  | $0.99 was $4.99 | 4.6★ (169) | No | No | Oct 2026 |
Access a vast digital encyclopedia with over 25,000 topics and articles covering nature, cities, and more. Read content or have it read aloud, and explore over 100 high-definition images per article. Discover popular places in over 1000 cities worldwide.
