# Easy Subtraction — Quickly check differences

> Quickly check differences (iPhone/iPad app by Hideo Nose.)

- Source: https://appshunter.io/ios/app/easy-subtraction/id6504454520 (this page in markdown: same URL + `.md`)
- Developer: [Hideo Nose](https://appshunter.io/developer/1616288004)
- Category: Utilities, Photo & Video
- Price: Free
- Age rating: 4+
- Requires: iOS 16.4 · 1 MB
- Languages: English, Japanese
- Released: 2024-07-24
- Data updated: 2026-05-19
- User reviews in markdown: https://appshunter.io/ios/app/easy-subtraction/id6504454520/reviews.md

## What is Easy Subtraction?

Easily compare images.
Obtain difference images in as few as two taps.
Use both captured and library images.
Operate offline after installation.

How to Use:
1. Tap the camera button to take a mask image.
2. Tap the camera button to take a capture image.
3. Once the images are taken, the app will automatically calculate and display the difference image.
4. If the two images are misaligned, adjust the mask image by moving, rotating, and resizing it while checking the resulting difference image.

The resulting difference image will highlight the differences between the two images in white (or black if the image is inverted).
You can save the resulting image to your iphone library.

if you want to know an answer spot-the-difference puzzles right now, be sure to try this app!


## Version history (last 1 release)

### 1.0 — 2024-07-24

No release notes.

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## More apps by Hideo Nose

- [Multi Angle Meter](https://appshunter.io/ios/app/multi-angle-meter/id6443600847)
- [Multi Angle Meter For Watch](https://appshunter.io/ios/app/multi-angle-meter-for-watch/id6443881256)
- [Easy Overlay](https://appshunter.io/ios/app/easy-overlay/id6448210266)
- [Easy Surveys Tool](https://appshunter.io/ios/app/easy-surveys-tool/id6478354256)
- [Easy CTAngio](https://appshunter.io/ios/app/easy-ctangio/id6587551143)

All apps by Hideo Nose: https://appshunter.io/developer/1616288004

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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 2026-05-19.*