# TriGoTriFree vs Right Triangle

The clearest difference is in-app purchases: TriGoTriFree at none against Right Triangle's 8. TriGoTriFree also leads on iOS requirement (7.0 vs 15.0). Right Triangle's advantage is update cadence (every 3 weeks vs every 5 months). On price, ads and device support there is nothing between them.

Both are free to download. Right Triangle sells 8 one-off in-app purchases. TriGoTriFree asks for nothing beyond the download.

TriGoTriFree ships an update every 5 months, Right Triangle every 3 weeks. The most recent releases landed on October 16, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | TriGoTriFree | Right Triangle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.8 (6 ratings)](https://appshunter.io/ios/app/right-triangle-calculator/id1567415770/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 36 MB | 180 MB |
| Requires iOS | **7.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Giovanni Bellu'](https://appshunter.io/developer/656437500) | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) |

## What reviewers say

### TriGoTriFree

[App page](https://appshunter.io/ios/app/trigotrifree/id744433892)

This educational app helps solve triangle problems. It offers a free version for right-angled triangles and a full version for general triangles. Users can easily select different triangle cases to solve.

**Highlights:** Solve right-angled triangles, Select various triangle cases, Educational tool for geometry, Free functionality for basic cases, Upgrade available for general triangles

**Features:** macOS Compatibility

**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 TriGoTriFree free?

TriGoTriFree is free to download, with no in-app purchases.

### Is Right Triangle free?

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

### Do TriGoTriFree or Right Triangle have ads?

Neither TriGoTriFree nor Right Triangle shows ads.

### Which is updated more often, TriGoTriFree or Right Triangle?

TriGoTriFree ships an update every 5 months, and Right Triangle every 3 weeks. Most recently, TriGoTriFree was updated on October 16, 2026 and Right Triangle on October 25, 2026.

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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.*