249+ iOS apps curated and reviewed
Out of 249+ photo extension histogram apps on iOS, 16 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | $1.99 | 3.9★ (19) | No | No | Oct 2026 | |
| 2 |  | Free | — | Yes | No | Jul 2026 | |
| 3 |  | $1.99 | 3.5★ (13) | No | No | Oct 2026 | |
| 4 |  | Free | 1.7★ (6) | Yes | No | Nov 2026 | |
| 5 |  | Free | — | Yes | No | Oct 2026 | |
| 6 |  | Free | — | No | No | Oct 2026 | |
| 7 |  | $1.99 | 3.8★ (21) | No | No | Oct 2026 | |
| 8 |  | Free | — | No | No | May 2026 |
Analyze the tonal and color distribution of your photos with detailed histograms. Get guidance on understanding exposure and contrast to improve your photography skills. Works seamlessly within the Apple Photos app on iPhone and iPad.
This utility overlays over 10 artistic photography composition rules onto your photos. It guides you to understand and apply these rules, helping you tell a better story with your images. Save your compositions directly to your photo library.
