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.
NDTimer - Long Exposure by Tim Kloess




250+ iOS apps curated and reviewed
Out of 250+ nd timer apps on iOS, 19 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 | — | No | No | Aug 2026 | |
| 2 | Free | 4.4★ (62) | Yes | Yes | May 2026 | |
| 3 | Free | — | No | Yes | Jun 2026 | |
| 4 | Free | — | — | No | Aug 2026 | |
| 5 | Free | — | No | No | May 2026 | |
| 6 | Free | 5.0★ (2) | No | No | Aug 2026 | |
| 7 | Free | 4.4★ (1.2K) | Yes | No | Aug 2026 | |
| 8 | Free | — | — | No | Jun 2026 |








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 app helps photographers determine correct exposure times for long exposure shots using ND filters. It includes a timer to capture the perfect moment and offers pro features through in-app purchases for enhanced functionality.






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This utility app offers a unique dial for quickly setting timers from seconds to hours with a single swipe. It includes a 'start offset' feature, allowing you to set the duration after initially touching the icon, ideal for precise timing. Choose from a variety of alert sounds to suit your needs.





