249+ iOS apps curated and reviewed
ND Filter Calc is the household name in nd filter calc, but it's far from the only option. We track 249+ 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 | 4.5★ (13) | No | No | Aug 2026 |
| 3 |  | Free | 4.4★ (62) | Yes | Yes | May 2026 |
| 4 |  | Free | 2.6★ (5) | No | No | Aug 2026 |
| 5 |  | Free | 5.0★ (1) | No | Yes | May 2026 |
| 6 |  | Free | — | No | No | May 2026 |
| 7 |  | Free | 5.0★ (1) | No | No | May 2026 |
| 8 |  | Free | 4.4★ (5) | No | No | May 2026 |
This tool helps photographers calculate neutral density filter effects on their camera's exposure. It includes a countdown timer for long exposures, simplifying the process of achieving desired results.
This official guide helps photographers using specific long exposure filters accurately calculate required exposures. It features a flexible timer for extended shutter speeds and provides access to user guides and web resources.
Calculate precise exposure times for long-exposure photography with Neutral Density filters. Features a countdown timer for exposures over 10 seconds and supports up to 24 stops of ND filtration.
This utility helps photographers determine precise exposure times when using ND filters. It also functions as a timer and trigger for compatible wireless remote controls.
This app helps photographers calculate necessary ND filter settings for long exposure shots. It also assists with depth of field and exposure value calculations.
This official guide helps photographers calculate exposure adjustments when using ProGlass IRND filters. It features a built-in timer for long exposures and allows switching between different filter stops or ND values.
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 app acts as a portable light meter for photographers. It helps you understand correct photography settings and experiment with shutter speed, aperture, and ISO in real time. Save snapshots with parameters and geolocation, and measure color temperature.
Calculate correct exposure times when using ND filters for long exposures. Easily manage your filter collection, add custom filters, and switch between single and multi-select modes for stacking.
