# HypotenuseCalc vs Triangle Simulator

The clearest difference is price: Triangle Simulator at Free against HypotenuseCalc's $0.99. Triangle Simulator also leads on update cadence (every 2 months vs every 25 months) and review sentiment (100% vs 85%). HypotenuseCalc's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

Triangle Simulator is free to download; HypotenuseCalc costs $0.99 up front. Triangle Simulator sells 1 in-app purchase, starting at $1.99 per month. HypotenuseCalc asks for nothing beyond the download.

HypotenuseCalc ships an update every 25 months, Triangle Simulator every 2 months. The most recent releases landed on October 13, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | HypotenuseCalc | Triangle Simulator |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hypotenusecalc/id640750228/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 85.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 25 months | **Every 2 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 1 MB | 65 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [EIICHI KOMINE](https://appshunter.io/developer/495643581) | [Toshiya Hondo](https://appshunter.io/developer/1571875732) |

## What reviewers say

### HypotenuseCalc

[App page](https://appshunter.io/ios/app/hypotenusecalc/id640750228)

Calculate angles and lengths of triangles with two distinct modes. One mode uses a fixed triangle shape, while the other adjusts the figure based on triangle size. This tool is valuable for professionals in architecture, surveying, and design.

**Highlights:** Automatic angle and length calculation, Fixed triangle shape mode, Variable triangle figure mode, Useful for architecture, Valuable for surveying, Aids in design

**Features:** Vision Pro support

**In-app purchases:** none


### Triangle Simulator

[App page](https://appshunter.io/ios/app/triangle-simulator/id1583116107)

Calculate triangle properties like sides, angles, and area instantly. Save and review past calculations with added memos. Supports various input formats and angle units for precise results.

**Highlights:** Calculate triangle sides, angles, and area, View triangle image, Save calculation history, Add memos to calculations, Input sides in square rooted values, Adjust result digit count, Choose angle units

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads (Monthly) | $1.99 | per month |


## Frequently asked questions

### Is HypotenuseCalc free?

HypotenuseCalc costs $0.99, with no in-app purchases.

### Is Triangle Simulator free?

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

### Do HypotenuseCalc or Triangle Simulator have ads?

Triangle Simulator shows ads; HypotenuseCalc does not.

### Which is updated more often, HypotenuseCalc or Triangle Simulator?

HypotenuseCalc ships an update every 25 months, and Triangle Simulator every 2 months. Most recently, HypotenuseCalc was updated on October 13, 2026 and Triangle Simulator on September 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.*