# Triangulum Lab — Interactive Triangle Geometry

> Interactive Triangle Geometry (iPhone/iPad app by Mr.Darcy.)

- Source: https://appshunter.io/ios/app/triangulum-lab/id6783394919 (this page in markdown: same URL + `.md`)
- Developer: [Mr.Darcy](https://appshunter.io/developer/377347580)
- Category: Education
- Price: $1.99
- Age rating: 4+
- Requires: iOS 17.6 · 2 MB
- Languages: American English, French (France), German (Germany), Japanese, Korean, European Portuguese, Chinese (Simplified, China), European Spanish, Chinese (Traditional, Taiwan)
- Released: 2026-09-09
- Data updated: 2026-09-23
- User reviews in markdown: https://appshunter.io/ios/app/triangulum-lab/id6783394919/reviews.md

## What is Triangulum Lab?

Triangulum Lab helps you explore triangle centers and classic geometric constructions with simple, intuitive visuals.

Move points, compare centers, and understand how the circumcenter, incenter, centroid, and other key points are formed. 
Designed for students, teachers, and anyone who wants to learn geometry visually.


## Version history (last 1 release)

### 1.0 — 2026-09-09

No release notes.

## More apps by Mr.Darcy

- [Multiply Fun: 9x9](https://appshunter.io/ios/app/multiply-fun-9x9/id6737981759)
- [Multiply Fun: 19x19](https://appshunter.io/ios/app/multiply-fun-19x19/id6738080498)
- [Multiply Fun: 9x9 Lite](https://appshunter.io/ios/app/multiply-fun-9x9-lite/id6738277751)
- [Multiply Fun: 19x19 Lite](https://appshunter.io/ios/app/multiply-fun-19x19-lite/id6738623083)
- [Everyday Workout](https://appshunter.io/ios/app/everyday-workout/id6739977698)
- [Sentely](https://appshunter.io/ios/app/sentely/id6757413157)

All apps by Mr.Darcy: https://appshunter.io/developer/377347580

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-23.*