# Ratio Memo Calculator — Save ratios in advance & calc.

> Calculator for saving and applying pre-set ratios. (iPhone/iPad app by Koji Watanabe.)

- Source: https://appshunter.io/ios/app/ratio-memo-calculator/id6449862829 (this page in markdown: same URL + `.md`)
- Developer: [Koji Watanabe](https://appshunter.io/developer/1332653587)
- Category: Productivity, Graphics & Design
- Price: Free
- Age rating: 4+
- Requires: iOS 11.0 · 31 MB
- Languages: English, Japanese
- Released: 2023-06-06
- Data updated: 2026-06-04
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/ratio-memo-calculator/id6449862829/reviews.md

## What is Ratio Memo Calculator?

A calculator that enables you to save ratios that you commonly use in advance. Screen sizes, photo aspect ratios, smartphone aspect ratios, and the golden and silver ratios can all be pre-set.

[Features]

(1) Pre-set ratios that are often utilized
(2) One value can be used to acquire both the X:Y values.
(3) Support for decimal points.

## Key features

- Save common ratios in advance
- Calculate missing values from one input
- Supports decimal points
- Pre-set ratios for screens and aspect ratios
- Includes golden and silver ratios

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/ratio-memo-calculator/id6449862829/reviews.md

### 5/5 — Exactly what I was looking for

*2023-07-21*

It makes my life so much easier. You can even enter your own ratios and save them. Easy to use. You enter your ratio and the value. The tool calculates the missing number. 
Thank you so much.

## Frequently asked questions about Ratio Memo Calculator

### What is Ratio Memo Calculator?

Ratio Memo Calculator is a free productivity app that allows you to save and reuse frequently used ratios. It's designed to help users quickly calculate missing values based on pre-set ratios.

### What kind of ratios can I save in Ratio Memo Calculator?

You can save various ratios, including screen sizes, photo aspect ratios, smartphone aspect ratios, and mathematical constants like the golden and silver ratios.

### How does Ratio Memo Calculator calculate values?

With Ratio Memo Calculator, you can input one value and it will calculate the corresponding X:Y values based on your saved ratios. It also supports calculations involving decimal points.

### Is Ratio Memo Calculator free to use?

Yes, Ratio Memo Calculator is completely free to download and use. It does not have any in-app purchases or advertisements.

### What devices is Ratio Memo Calculator compatible with?

Ratio Memo Calculator is available for iPhone, iPad, and iPod touch devices.

### When was Ratio Memo Calculator last updated?

Ratio Memo Calculator was last updated on June 6, 2023, with version 1.0.

### What is the age rating for Ratio Memo Calculator?

Ratio Memo Calculator has an age rating of 4+, making it suitable for a wide range of users.

### Does Ratio Memo Calculator have ads?

No, Ratio Memo Calculator is ad-free. Users can enjoy the app without any interruptions from advertisements.

## Version history (last 1 release)

### 1.0 — 2023-06-06

No release notes.

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## More apps by Koji Watanabe

- [Simple Golden Ratio Calculator](https://appshunter.io/ios/app/simple-golden-ratio-calculator/id1332653588)
- [Furigana Camera - Kanji Reader](https://appshunter.io/ios/app/furigana-camera-kanji-reader/id1466588904)
- [Silver Ratio Calculator](https://appshunter.io/ios/app/silver-ratio-calculator/id1467476259)
- [TCG Card Scan](https://appshunter.io/ios/app/tcg-card-scan/id1562439491)
- [FX_最適ロット計算機～許容損失額を一定にするアプリ](https://appshunter.io/ios/app/fx/id1566085690)
- [Receipt Camera](https://appshunter.io/ios/app/receipt-camera/id1570935610)

All apps by Koji Watanabe: https://appshunter.io/developer/1332653587

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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 2026-06-04.*