# Mango Exposure vs ND Filter Calc

The clearest difference is in-app purchases: ND Filter Calc at none against Mango Exposure's 1. ND Filter Calc also leads on update cadence (every 6 days vs every 2 weeks) and iOS requirement (15.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Mango Exposure sells 1 one-off in-app purchase. ND Filter Calc asks for nothing beyond the download.

Mango Exposure ships an update every 2 weeks, ND Filter Calc every 6 days. The most recent releases landed on October 15, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Mango Exposure | ND Filter Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mango-exposure-the-calculator/id1487020105/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 6 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 10 MB | 47 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mango Umbrella LLC](https://appshunter.io/developer/508676284) | [Jerry Watson](https://appshunter.io/developer/1647846813) |

## What reviewers say

### Mango Exposure

[App page](https://appshunter.io/ios/app/mango-exposure-the-calculator/id1487020105)

Calculate precise long exposure times with ND filter compensation and depth of field parameters. Supports various sensor sizes and measurement units, with a built-in timer for extended shots. Offers light and dark modes for iOS devices.

**Highlights:** ND filter compensation up to 20 stops, Multiple filter notation formats, Built-in countdown timer, Hyperfocal distance calculation, Support for various sensor sizes, Switchable measurement units (meters/feet), Light and dark appearance modes

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $1.99 | one-time |


### ND Filter Calc

[App page](https://appshunter.io/ios/app/nd-filter-calc/id6449380764)

This tool helps photographers calculate neutral density filter effects on their camera's exposure. It includes a countdown timer for long exposures, simplifying the process of achieving desired results.

**Highlights:** Neutral density filter calculation, Exposure compensation, Long exposure timer, Countdown for shutter speeds > 3 seconds, Simple interface

**In-app purchases:** none


## Frequently asked questions

### Is Mango Exposure free?

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

### Is ND Filter Calc free?

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

### Do Mango Exposure or ND Filter Calc have ads?

Neither Mango Exposure nor ND Filter Calc shows ads.

### Which is updated more often, Mango Exposure or ND Filter Calc?

Mango Exposure ships an update every 2 weeks, and ND Filter Calc every 6 days. Most recently, Mango Exposure was updated on October 15, 2026 and ND Filter Calc on September 30, 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.*