# ND Filters — Calculates your exposure

> Calculates your exposure (iPhone/iPad app by Jean-Christoph KAISER.)

- Source: https://appshunter.io/ios/app/nd-filters/id1449381658 (this page in markdown: same URL + `.md`)
- Developer: [Jean-Christoph KAISER](https://appshunter.io/developer/309381304)
- Category: Photo & Video, Utilities
- Price: $0.99
- Age rating: 4+
- Requires: iOS 15.0 · 1 MB
- Languages: American English
- Released: 2019-01-15
- Data updated: 2026-08-24
- User reviews in markdown: https://appshunter.io/ios/app/nd-filters/id1449381658/reviews.md

## What is ND Filters?

This is a "must have" application for all digital camera owners who have ND filters in their bag.
This application helps you in calculating exposure duration when using ND filters.
Up to 2 stacked ND filters can be defined.
A countdown is provided for exposures longer than 30 seconds.


## Version history (last 5 releases)

### 1.0.5 — 2026-01-11

Countdown is provided for exposure longer than 5 seconds.

### 1.0.4 — 2023-11-29

Added ND100 and ND200
Fixed issue with iPhone 15
Fixed issue with countdown when app goes to background

### 1.0.3 — 2022-09-19

Ability to pause/resume the countdown

### 1.0.2 — 2020-01-26

iOS 13 support
Minor bug fixes

### 1.0.1 — 2019-01-28

Device vibrates and emits sound at the end of the countdown

## Apps similar to ND Filters

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Photo Xpert: Photo Planner](https://appshunter.io/ios/app/photo-xpert-photo-planner/id6503189898) | — | Free | Photo & Video |
| [LExp - Long Exposure Calcs](https://appshunter.io/ios/app/lexp-long-exposure-calcs/id547000247) | 4.7 (17) | $3.99 | Photo & Video |
| [ND Filter Calc](https://appshunter.io/ios/app/nd-filter-calc/id6449380764) | — | Free | Photo & Video |
| [Neutral Density Calculator](https://appshunter.io/ios/app/neutral-density-calculator/id1343590260) | 3.5 (4) | $1.99 | Photo & Video |
| [ND+Timer](https://appshunter.io/ios/app/nd-plus-timer/id1534477340) | — | Free | Photo & Video |
| [ND Filter Long Exposure Photo](https://appshunter.io/ios/app/nd-filter-long-exposure-photo/id6741926889) | 5.0 (1) | Free | Photo & Video |

## More apps by Jean-Christoph KAISER

- [DoF plus](https://appshunter.io/ios/app/dof-plus/id309381301)
- [DoF plus HD](https://appshunter.io/ios/app/dof-plus-hd/id497262156)
- [Heliosy](https://appshunter.io/ios/app/heliosy/id980955678)
- [Nav Tools](https://appshunter.io/ios/app/nav-tools/id1224481789)
- [FoCadre](https://appshunter.io/ios/app/focadre/id1667170157)

All apps by Jean-Christoph KAISER: https://appshunter.io/developer/309381304

## Related topics

[nd filters](https://appshunter.io/ios/topics/nd-filters) · [nd filter long exposure photo](https://appshunter.io/ios/topics/nd-filter-long-exposure-photo) · [ss calculator for nd filters](https://appshunter.io/ios/topics/ss-calculator-for-nd-filters) · [apps for nd filter calculation](https://appshunter.io/ios/topics/apps-for-nd-filter-calculation)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-24.*