# TriangleS vs Triangle Simulator

The clearest difference is price: Triangle Simulator at Free against TriangleS's $0.99. Triangle Simulator also leads on update cadence (every 2 months vs every 4 months). TriangleS'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; TriangleS costs $0.99 up front. Triangle Simulator sells 1 in-app purchase, starting at $1.99 per month. TriangleS asks for nothing beyond the download.

TriangleS ships an update every 4 months, Triangle Simulator every 2 months. The most recent releases landed on November 11, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | TriangleS | Triangle Simulator |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | — | Free with in-app purchases |
| Size | 2 MB | 65 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ryo sasaki](https://appshunter.io/developer/318552526) | [Toshiya Hondo](https://appshunter.io/developer/1571875732) |

## What reviewers say

### TriangleS

[App page](https://appshunter.io/ios/app/triangles/id1572386611)

**Features:** macOS Compatibility, 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 TriangleS free?

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

### Is Triangle Simulator free?

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

### Do TriangleS or Triangle Simulator have ads?

Triangle Simulator shows ads; TriangleS does not.

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

TriangleS ships an update every 4 months, and Triangle Simulator every 2 months. Most recently, TriangleS was updated on November 11, 2026 and Triangle Simulator on November 3, 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.*