# Ratio Calc - Aspect Ratio Tool

> Ratio Calc - Aspect Ratio Tool (iPhone/iPad app by hideaki suzuki.)

- Source: https://appshunter.io/ios/app/ratio-calc-aspect-ratio-tool/id6761300753 (this page in markdown: same URL + `.md`)
- Developer: [hideaki suzuki](https://appshunter.io/developer/1884482177)
- Category: Lifestyle, Graphics & Design
- Price: $0.99
- Age rating: 4+
- Requires: iOS 18.0 · 0 MB
- Languages: Japanese
- Released: 2026-04-01
- Data updated: 2026-06-20
- User reviews in markdown: https://appshunter.io/ios/app/ratio-calc-aspect-ratio-tool/id6761300753/reviews.md

## What is Ratio Calc?

RatioCalc is a fast, clean aspect ratio calculator for designers, photographers, and video creators.

Enter any 3 of the 4 values in A:B = C:D and the last one calculates instantly. A live rectangle preview shows the proportions with diagonal angles at a glance.

FEATURES
· Real-time visual rectangle preview
· Diagonal angles displayed automatically
· 14 presets: Golden Ratio, Silver Ratio, A4, B4, 16:9, 21:9, 16:10, Cinema Flat, Cinema Scope, and more
· Calculation history

Great for scaling images, checking screen ratios, and verifying print dimensions.

## Chart rankings

- #199 in Top Paid · Lifestyle (US App Store)


## Version history (last 2 releases)

### 1.0.1 — 2026-04-02

Updated English app name

### 1.0 — 2026-04-02

No release notes.

## More apps by hideaki suzuki

- [Gamblock – Gambling Blocker](https://appshunter.io/ios/app/gamblock-gambling-blocker/id6760438787)

All apps by hideaki suzuki: https://appshunter.io/developer/1884482177

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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 2026-06-20.*