# 石原 Ishihara — Ishihara by Modus Create

> Experimental color blindness test app using modern development technologies. (iPhone/iPad app by Modus Create, LLC..)

- Source: https://appshunter.io/ios/app/ishihara/id1614658730 (this page in markdown: same URL + `.md`)
- Developer: [Modus Create, LLC.](https://appshunter.io/developer/565829326)
- Category: Entertainment
- Price: Free
- Rating: 5.00/5 from 2 App Store ratings · 1 written reviews indexed
- Age rating: 12+
- Requires: iOS 12.0 · 21 MB
- Languages: English
- Released: 2022-04-06
- Data updated: 2026-08-19
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/ishihara/id1614658730/reviews.md

## What is 石原 Ishihara?

Note: This application is not a substitute for medical treatment, advice, or diagnoses. 

Ishihara is an experimental application developed by Modus Create using multiple partner technologies. The proof of concept demonstrates full-stack application development using the latest tools and frameworks.

Front-end development: Ionic Framework and Stencil JS
Back-end development (processing and image serving): NodeJs, AWS, Serverless
Collaboration and project management: GitHub and Jira 

Color blindness tests have historically been administered using Ishihara plates. The inability to see colors on the red/green and blue/yellow spectrum in the colored plates allows doctors to diagnose several different types of colorblindness. Ishihara contains tests for the following forms of color blindness: Red/Green (Protanopia, Protanomaly, Deuteranopia, Deuteranomaly) and Blue/Yellow (Tritanopia, Tritanomaly).

Modus Create is a digital consulting firm and an official partner of the world’s leading technology companies, such as Ionic, AWS, Microsoft, Atlassian, and GitHub. To learn more about our open source projects, visit labs.moduscreate.com

## Key features

- Red/Green color blindness tests
- Blue/Yellow color blindness tests
- Protanopia and Deuteranopia detection
- Tritanopia and Tritanomaly detection
- Proof of concept development
- Utilizes Ionic Framework and Node.js

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/ishihara/id1614658730/reviews.md

### 5/5 — Great app!

*2022-07-14*

Great colorblind test app. It uses the same method my doctor used to test me.

## Frequently asked questions about 石原 Ishihara

### What types of color blindness does Ishihara test for?

Ishihara tests for Red/Green color blindness, including Protanopia, Protanomaly, Deuteranopia, and Deuteranomaly. It also tests for Blue/Yellow color blindness, specifically Tritanopia and Tritanomaly.

### Is Ishihara a substitute for professional medical advice?

No, the application explicitly states it is not a substitute for medical treatment, advice, or diagnoses. It is an experimental tool for testing purposes.

### What technologies were used to develop Ishihara?

Ishihara was developed using Ionic Framework and Stencil JS for the front-end, and Node.js, AWS, and Serverless for the back-end. Collaboration was managed through GitHub and Jira.

### What is the age rating for Ishihara?

The app has an age rating of 12+, indicating it is suitable for users aged 12 and older.

### On which devices can Ishihara be used?

Ishihara is supported on iPhones and iPods, as indicated by the supported devices list.

### When was Ishihara last updated?

The latest version of Ishihara was released on 2022-09-07, with the initial release on 2022-04-06.

### What is the user rating for Ishihara?

Ishihara has a perfect rating of 5.0 stars based on 2 user ratings.

### Does Ishihara contain advertisements?

No, Ishihara does not contain advertisements. It is a free application without any ads.

## Version history (last 4 of 4)

### 1.0.2 — 2022-09-07

Updated the icon color.

### 1.0.1 — 2022-08-22

Fixed bugs about the navigation between plates.
Updated the icon image.

### 0.1.1 — 2022-06-21

UX improvements and bug fixes

### 0.1.0 — 2022-04-06

No release notes.

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## Related topics

[modus create](https://appshunter.io/ios/topics/modus-create)

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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 2026-08-19.*