# Triangle Angles Calculator vs Fast Angle

The clearest difference is price: Triangle Angles Calculator at Free against Fast Angle's $0.99. Triangle Angles Calculator also leads on update cadence (every 3 days vs every 38 months) and iOS requirement (12.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

Triangle Angles Calculator is free to download; Fast Angle costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Triangle Angles Calculator ships an update every 3 days, Fast Angle every 38 months. The most recent releases landed on September 26, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Triangle Angles Calculator | Fast Angle |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/triangle-angles-calculator/id1598378708/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 38 months |
| Monetization | Free | — |
| Size | 28 MB | 3 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dmitriy Trofimov](https://appshunter.io/developer/1598378710) | [Jakub Freisler](https://appshunter.io/developer/1692040337) |

## What reviewers say

### Triangle Angles Calculator

[App page](https://appshunter.io/ios/app/triangle-angles-calculator/id1598378708)

Easily calculate unknown sides, angles, and other parameters for various triangle types. Features interactive visualizations and works offline, making it ideal for students and professionals needing quick, accurate geometric solutions.

**Highlights:** Calculate unknown triangle parameters from 2-3 known values, Interactive visualization of triangle types, Real-time calculations with intuitive interface, Offline functionality, Supports metric and imperial units, Calculates sides, angles, area, perimeter, medians, and circles

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

**In-app purchases:** none


### Fast Angle

[App page](https://appshunter.io/ios/app/fast-angle/id6450143053)

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

**In-app purchases:** none


## Frequently asked questions

### Is Triangle Angles Calculator free?

Triangle Angles Calculator is free to download, with no in-app purchases.

### Is Fast Angle free?

Fast Angle costs $0.99, with no in-app purchases.

### Do Triangle Angles Calculator or Fast Angle have ads?

Neither Triangle Angles Calculator nor Fast Angle shows ads.

### Which is updated more often, Triangle Angles Calculator or Fast Angle?

Triangle Angles Calculator ships an update every 3 days, and Fast Angle every 38 months. Most recently, Triangle Angles Calculator was updated on September 26, 2026 and Fast Angle on October 7, 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.*