Ratio Calculation

Tomohiko Akamine Productivity iPhoneiPadiPod touch

Ratio Calculation is a free Productivity app for iPhone and iPad by Tomohiko Akamine. Requires iOS 15.0. Updated July 7, 2025.

Price: Free; on the App Store
Size: 4 MB; Age 4+
Updated: Jul 7; 2025 · v1.2

Download on theApp Store See alternatives

Screenshots

About Ratio Calculation

You can calculate various ratios with this one application. You can calculate the ratio, calculate the golden ratio, calculate the silver ratio. In addition, it can be reused remembers a set of ratio.

What’s new

Version 1.2 · Updated July 7, 2025

Fixed some bugs.

App privacy

The developer, Tomohiko Akamine, reported these privacy practices to Apple.

Data Linked to You

The following data, which may be collected and linked to your identity, may be used for the following purposes:

Location: Coarse Location
Identifiers: Device ID
Usage Data: Product Interaction, Advertising Data
Diagnostics: Performance Data

Used for: Third-Party Advertising

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

Diagnostics: Crash Data

Used for: Third-Party Advertising

App details

Ratio Calculation is a free Productivity app for iPhone, iPad and iPod touch, developed by Tomohiko Akamine. It requires iOS 15.0 or later, is 4 MB to download and is available in 2 languages. It was first released on November 6, 2020 and last updated on July 7, 2025.

Category: Productivity
Price: Free
Version: 1.2
Size: 4 MB
Requires: iOS 15.0 or later
Compatibility: iPhone, iPad, iPod touch
Languages: English, Japanese
Age rating: 4+
Released: November 6, 2020
Last updated: July 7, 2025
Developer: Tomohiko Akamine

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Alternatives to Ratio Calculation

Looking for apps like Ratio Calculation? Here are 6 similar apps on the App Store. The highest rated is Easy Golden Ratio Calculator (5.0/5), and 5 of the 6 are free to download.

Ratio Calculation vs. alternatives
App	Rating	Price	Last updated	Compare
Ratio Calculation	–	Free	July 7, 2025
NautilusCalc:Golden Ratio Calc	1.0 / 5 (1)	2.99 USD	Mar 19, 2026	Compare
Simple ratio calculator	–	Free	May 27, 2025	Compare
Easy Golden Ratio Calculator	5.0 / 5 (1)	Free	May 23, 2025	Compare
Best Proportion Calc	5.0 / 5 (5)	Free	Nov 22, 2024	Compare
x2y	5.0 / 5 (8)	Free	Oct 18, 2026	Compare
RetroNoise	–	Free	Mar 18, 2026	Compare

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