250+ iOS apps curated and reviewed
Retinol Guide is the household name in retinol guide, but it's far from the only option. We track 250+ 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 | — | No | Yes | Jun 2026 | |
| 3 |  | Free | — | No | No | May 2026 | |
| 4 |  | Free | — | Yes | Yes | May 2026 | |
| 5 |  | Free | — | No | Yes | Aug 2026 | |
| 6 |  | Free | — | No | No | Sep 2026 | |
| 7 |  | Free | 4.6★ (78) | No | Yes | Aug 2026 | |
| 8 |  | Free | 4.8★ (177K) | No | No | Sep 2026 |
This app provides comprehensive answers to 20 essential questions about acne, covering its causes, formation, and various treatment options. Expert insights explain complex topics in simple terms, offering guidance on management and prevention.
