# Get Luminance vs FormatShift

The clearest difference is price: Get Luminance at Free against FormatShift's $0.99. Get Luminance also leads on iOS requirement (9.0 vs 17.6). FormatShift's advantage is update cadence (every 2 weeks vs every 4 months). On review sentiment, ads, in-app purchases and device support there is nothing between them.

Get Luminance is free to download; FormatShift costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Get Luminance ships an update every 4 months, FormatShift every 2 weeks. The most recent releases landed on October 10, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Get Luminance | FormatShift |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/formatshift/id6757651199/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | **Free** | Paid |
| Size | 14 MB | 58 MB |
| Requires iOS | **9.0** | 17.6 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Box 50 Pty Ltd](https://appshunter.io/developer/1457392493) | [Vladislav Danilov](https://appshunter.io/developer/1843371992) |

## What reviewers say

### Get Luminance

[App page](https://appshunter.io/ios/app/get-luminance/id1457392494)

This utility app provides an empirical basis for calculating the luminance 'seen' by a photograph. It aims to ensure good luminance contrast for safer environments and assist designers in creating compliant spaces. The tool supports multiple calculation methods and measures luminance in prevailing light conditions.

**Highlights:** Empirical luminance calculation, Ensures luminance contrast for safety, Facilitates compliance assessment, Assists designers with compliant designs, Supports 4 main calculation methods, Measures luminance in prevailing light

**Features:** macOS Compatibility

**In-app purchases:** none


### FormatShift

[App page](https://appshunter.io/ios/app/formatshift/id6757651199)

This utility app allows you to convert documents between various formats directly on your device, ensuring complete privacy. It supports batch processing and offers an intuitive interface for effortless file transformation.

**Highlights:** Converts between 10 document formats, Batch processing for multiple files, Offline, on-device conversion, Privacy-first architecture, Intuitive drag & drop interface, Native performance on macOS/iOS

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Get Luminance free?

Get Luminance is free to download, with no in-app purchases.

### Is FormatShift free?

FormatShift costs $0.99, with no in-app purchases.

### Do Get Luminance or FormatShift have ads?

Neither Get Luminance nor FormatShift shows ads.

### Which is updated more often, Get Luminance or FormatShift?

Get Luminance ships an update every 4 months, and FormatShift every 2 weeks. Most recently, Get Luminance was updated on October 10, 2026 and FormatShift on October 22, 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.*