# 面積計算アプリ vs Right Triangle

The clearest difference is price: Right Triangle at Free against 面積計算アプリ's $2.99. Right Triangle also leads on device support. 面積計算アプリ's advantage is in-app purchases (none vs 8) and iOS requirement (9.0 vs 15.0).

Right Triangle is free to download; 面積計算アプリ costs $2.99 up front. Right Triangle sells 8 one-off in-app purchases. 面積計算アプリ asks for nothing beyond the download.

## The numbers

| Metric | 面積計算アプリ | Right Triangle |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | — | **[3.8 (6 ratings)](https://appshunter.io/ios/app/right-triangle-calculator/id1567415770/reviews)** |
| Number of ratings | — | **6** |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 13 MB | 180 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Takaaki Sasaki](https://appshunter.io/developer/525616408) | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) |

## What reviewers say

### 面積計算アプリ

[App page](https://appshunter.io/ios/app/id543126512)

**In-app purchases:** none


### Right Triangle

[App page](https://appshunter.io/ios/app/right-triangle-calculator/id1567415770)

Instantly solve geometry homework and prepare for exams with this free calculator. It provides complete step-by-step solutions for all triangle quantities, including legs, hypotenuse, height, angles, perimeter, and area. Access learning videos and manage your solutions.

**Highlights:** Step-by-step solutions, Calculates legs, hypotenuse, height, angles, perimeter, area, Supports all length units, Curated learning videos, Feedback on incorrect inputs, Manage saved solutions

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| +30 User Tokens | $0.29 | one-time |
| +1 Convenience Token / 6h, max. +2 | $0.59 | one-time |
| +2 Convenience Tokens / 6h, max. +4 | $0.99 | one-time |
| +150 User Tokens | $0.99 | one-time |
| +300 User Tokens | $1.49 | one-time |
| +4 Convenience Tokens / 6h, max. +8 | $1.59 | one-time |
| Remove Ads | $2.99 | one-time |
| Lifetime Access | $2.99 | one-time |


## Frequently asked questions

### Is 面積計算アプリ free?

面積計算アプリ costs $2.99, with no in-app purchases.

### Is Right Triangle free?

Right Triangle is free to download, with in-app purchases available.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*