# Triangle Simulator vs Drafting Utility

The clearest difference is in-app purchases: Drafting Utility at none against Triangle Simulator's 1. Drafting Utility also leads on update cadence (daily vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Triangle Simulator sells 1 in-app purchase, starting at $1.99 per month. Drafting Utility asks for nothing beyond the download.

Triangle Simulator ships an update every 2 months, Drafting Utility daily. The most recent releases landed on September 25, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Triangle Simulator | Drafting Utility |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 65 MB | 3 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Toshiya Hondo](https://appshunter.io/developer/1571875732) | [Masaharu Tsukamoto](https://appshunter.io/developer/939316877) |

## What reviewers say

### 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 |


### Drafting Utility

[App page](https://appshunter.io/ios/app/drafting-utility-trianglecalc/id6738353118)

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

**In-app purchases:** none


## Frequently asked questions

### Is Triangle Simulator free?

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

### Is Drafting Utility free?

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

### Do Triangle Simulator or Drafting Utility have ads?

Both Triangle Simulator and Drafting Utility show ads.

### Which is updated more often, Triangle Simulator or Drafting Utility?

Triangle Simulator ships an update every 2 months, and Drafting Utility daily. Most recently, Triangle Simulator was updated on September 25, 2026 and Drafting Utility on September 22, 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.*