# NDCalc Pro

> NDCalc Pro (iPhone/iPad app by Qixin Net (Beijing) Technology Co., Ltd..)

- Source: https://appshunter.io/ios/app/ndcalc-pro/id6762735183 (this page in markdown: same URL + `.md`)
- Developer: [Qixin Net (Beijing) Technology Co., Ltd.](https://appshunter.io/developer/1886626064)
- Category: Utilities
- Price: $1.99
- Age rating: 4+
- Requires: iOS 17.0 · 2 MB
- Languages: American English
- Released: 2026-04-23
- Data updated: 2026-05-17
- User reviews in markdown: https://appshunter.io/ios/app/ndcalc-pro/id6762735183/reviews.md

## What is NDCalc Pro?

Calculate the exact exposure time when using ND filters. Supports 16 filter densities from ND2 to ND100000, filter stacking, and a built-in countdown timer for long exposures.


## Version history (last 1 release)

### 1.1 — 2026-04-23

No release notes.

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All apps by Qixin Net (Beijing) Technology Co., Ltd.: https://appshunter.io/developer/1886626064

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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 2026-05-17.*