250+ iOS apps curated and reviewed
Out of 250+ neutral density calculator apps on iOS, 17 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 |  | Free | 4.4★ (5) | No | No | May 2026 | |
| 2 |  | $1.99 | 3.4★ (5) | No | No | Sep 2026 | |
| 3 |  | Free | — | No | No | May 2026 | |
| 4 |  | $5.99 | 4.7★ (6.3K) | No | Yes | Sep 2026 | |
| 5 |  | Free | — | Yes | No | May 2026 | |
| 6 |  | Free | — | No | No | Jun 2026 | |
| 7 |  | Free | 5.0★ (1) | No | Yes | Sep 2026 | |
| 8 |  | Free | — | — | No | May 2026 |
This utility helps landscape photographers determine the correct graduated neutral density filter for any scene. It uses your device's camera to measure dynamic range or allows manual input for filter density calculations.
This utility app assists photographers in determining the correct shutter speed when using neutral density filters. Input your filter's stops and base shutter speed to instantly get the adjusted exposure time, with an optional countdown timer for long exposures.
