# 三角定規カメラ-直角三角形と二等辺三角形でものを確認

> Camera-based tool for verifying right and isosceles triangle angles. (iPhone/iPad app by Kiyoshi Murayama.)

- Source: https://appshunter.io/ios/app/id6737087794 (this page in markdown: same URL + `.md`)
- Developer: [Kiyoshi Murayama](https://appshunter.io/developer/1571150113)
- Category: Education, Utilities
- Price: Free
- Rating: 3.33/5 from 3 App Store ratings
- Age rating: 4+
- Requires: iOS 16.0 · 13 MB
- Languages: American English, Japanese
- Released: 2024-10-18
- Data updated: 2026-09-06
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/id6737087794/reviews.md

## What is 三角定規カメラ?

三角定規を使いたいのに忘れてきちゃった。。。
直角を確認したいけど三角定規をもってないよ〜。そんな方に使ってほしいアプリです！
カメラで対象物を映しながら三角定規で角度が確認できます！

## Key features

- Camera-based angle verification
- Checks right angles
- Checks isosceles triangles
- Useful when physical ruler is missing
- Real-time angle confirmation


## Frequently asked questions about 三角定規カメラ

### What can Triangle Ruler Camera do?

Triangle Ruler Camera allows you to use your device's camera to check if an object forms a right angle or an isosceles triangle. It's designed for situations where you might not have a physical triangle ruler available.

### What devices does Triangle Ruler Camera support?

Triangle Ruler Camera is available for iPhone and iPad devices.

### What is the age rating for Triangle Ruler Camera?

Triangle Ruler Camera has an age rating of 4+, making it suitable for a wide range of users.

### How often is Triangle Ruler Camera updated?

The app was last updated on October 21, 2024, with version 1.01. This indicates recent development and potential for future improvements.

### Does Triangle Ruler Camera have ads?

Yes, Triangle Ruler Camera contains advertisements.

### Are there in-app purchases in Triangle Ruler Camera?

Yes, Triangle Ruler Camera offers in-app purchases, suggesting there may be additional features or content available for purchase.

### What is the user sentiment for Triangle Ruler Camera?

Based on the available data, Triangle Ruler Camera has a rating of 3.3 stars from 3 ratings, which suggests a mixed to slightly positive user reception.

### How does Triangle Ruler Camera help with learning geometry?

This app provides a practical, hands-on way to understand and verify geometric concepts like right angles and isosceles triangles in real-world contexts, aiding visual learning.

## Version history (last 2 releases)

### 1.01 — 2024-10-21

広告を視聴すると、分度器機能、より細かな回転機能、
カメラの一時停止機能を利用できるようになりました！
また、広告を見なくても追加機能が利用できる課金機能も実装致しました。

### 1.0 — 2024-10-18

No release notes.

## More apps by Kiyoshi Murayama

- [2D shmup:NeoREGAINER](https://appshunter.io/ios/app/2d-shmupneoregainer/id1571150111)
- [VerticalShmup-SPINNER VALKYRIE](https://appshunter.io/ios/app/verticalshmup-spinner-valkyrie/id1615897098)
- [じぶんメモ - 自分だけのテンプレート型で効率的にメモしよう](https://appshunter.io/ios/app/id1672039338)
- [水平器カメラ-画面に映しながら水平を確認できる](https://appshunter.io/ios/app/id6449055203)
- [逆算タイムテーブル - 1日の予定表を簡単に作成しよう](https://appshunter.io/ios/app/1/id6449508283)
- [頻度ログ-回数と経過時間を簡単に確認できるカウンターアプリ](https://appshunter.io/ios/app/id6450801138)

All apps by Kiyoshi Murayama: https://appshunter.io/developer/1571150113

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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 2026-09-06.*