# Long Exposure Calculator vs ND Easy

The clearest difference is in-app purchases: ND Easy at none against Long Exposure Calculator's 6. ND Easy also leads on ads (none vs shown) and update cadence (every 5 weeks vs every 19 months). Long Exposure Calculator's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 17.0). On price there is nothing between them.

Both are free to download. Long Exposure Calculator sells 6 one-off in-app purchases. ND Easy asks for nothing beyond the download.

Long Exposure Calculator ships an update every 19 months, ND Easy every 5 weeks. The most recent releases landed on October 21, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Long Exposure Calculator | ND Easy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (64 ratings)](https://appshunter.io/ios/app/long-exposure-calculator/id694553269/reviews)** | — |
| Number of ratings | **64** | — |
| Positive reviews | 81.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 19 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 24 MB | 1 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Junel Corales](https://appshunter.io/developer/694553272) | [Gerard DUVAL](https://appshunter.io/developer/1890192604) |

## What reviewers say

### Long Exposure Calculator

[App page](https://appshunter.io/ios/app/long-exposure-calculator/id694553269)

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.

**Highlights:** ND filter exposure calculation, Countdown timer, Supports up to 24-stop ND filters, Simple to use

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Leave a Tip | $1.99 | one-time |
| Leave a Tip | $2.99 | one-time |
| Leave a Tip | $3.99 | one-time |
| Leave a Tip | $5.99 | one-time |
| Leave a Tip | $9.99 | one-time |
| Leave a tip | $14.99 | one-time |

**What reviewers like**

- 👍 Simple and intuitive interface
- 🚀 Fast and efficient calculations
- ✅ Accurate results
- 💡 Versatile ND filter notation options
- 🎨 Offers light and dark color schemes

**What reviewers complain about**

- ⚠️ Ads can be intrusive and accidentally tappable
- 🤔 Some users confused by filter notation settings
- 🚫 Does not factor in aperture
- ⏳ Timer only starts from 30 seconds
- ❌ App freezes or crashes after use/updates

**Reported bugs**

- App freezes after each use
- App crashes after update
- App freezes and needs to be closed and reopened
- App runs no more after iOS update
- App crashes and cannot be opened again

**Requested features**

- Filter bag feature to select owned filters
- Ability to edit existing filters for precise values
- Combine multiple filters in calculations
- Option to display calculated time in seconds only
- Acoustic signal/alarm at the end of the timer


### ND Easy

[App page](https://appshunter.io/ios/app/nd-easy/id6783327572)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Long Exposure Calculator free?

Long Exposure Calculator is free to download, with in-app purchases available.

### Is ND Easy free?

ND Easy is free to download, with no in-app purchases.

### Do Long Exposure Calculator or ND Easy have ads?

Long Exposure Calculator shows ads; ND Easy does not.

### Which is updated more often, Long Exposure Calculator or ND Easy?

Long Exposure Calculator ships an update every 19 months, and ND Easy every 5 weeks. Most recently, Long Exposure Calculator was updated on October 21, 2026 and ND Easy on October 31, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*