# Tri vs Geometry Calculator Pro

The clearest difference is update cadence: Geometry Calculator Pro at every 3 weeks against Tri's every 12 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Tri ships an update every 12 months, Geometry Calculator Pro every 3 weeks. The most recent releases landed on October 3, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Tri | Geometry Calculator Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tri-func/id496807268/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 12 months | **Every 3 weeks** |
| Monetization | Ad-supported | — |
| Size | 4 MB | 4 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thirdware.jp](https://appshunter.io/developer/464228680) | [Dokon Jang](https://appshunter.io/developer/1400654634) |

## What reviewers say

### Tri

[App page](https://appshunter.io/ios/app/tri-func/id496807268)

This utility app provides the formula and value for calculating triangle properties. It's designed for quick access to mathematical formulas related to triangles.

**Highlights:** Triangle formula display, Value calculation, Quick access utility, Mathematical formulas

**Features:** Vision Pro support

**In-app purchases:** none


### Geometry Calculator Pro

[App page](https://appshunter.io/ios/app/geometry-calculator-pro/id6446316920)

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

**In-app purchases:** none


## Frequently asked questions

### Is Tri free?

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

### Is Geometry Calculator Pro free?

Geometry Calculator Pro is free to download, with no in-app purchases.

### Do Tri or Geometry Calculator Pro have ads?

Both Tri and Geometry Calculator Pro show ads.

### Which is updated more often, Tri or Geometry Calculator Pro?

Tri ships an update every 12 months, and Geometry Calculator Pro every 3 weeks. Most recently, Tri was updated on October 3, 2026 and Geometry Calculator Pro on September 29, 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.*