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 | — | No | Yes | Jun 2026 | |
| 3 |  | Free | 4.4★ (62) | Yes | Yes | May 2026 | |
| 4 |  | Free | — | — | No | Jun 2026 | |
| 5 |  | Free | — | No | No | May 2026 | |
| 6 |  | Free | — | Yes | No | Jun 2026 | |
| 7 |  | Free | — | No | Yes | Jul 2026 | |
| 8 |  | Free | — | No | No | May 2026 |
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.
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.
