# Tri vs Tungaloy

The clearest difference is ads: Tungaloy at none against Tri's shown. Tungaloy also leads on update cadence (weekly vs every 12 months) and monetization model (free vs ad-supported). On price, rating, ratings volume and in-app purchases there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Tri against 5.0 for Tungaloy. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Tri ships an update every 12 months, Tungaloy weekly. The most recent releases landed on October 20, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Tri | Tungaloy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/tri-func/id496807268/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/tungaloy/id1641861093/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 12 months | **Weekly** |
| Monetization | Ad-supported | **Free** |
| Size | 4 MB | 27 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Thirdware.jp](https://appshunter.io/developer/464228680) | [Tungaloy Corporation](https://appshunter.io/developer/1641861095) |

## 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


### Tungaloy

[App page](https://appshunter.io/ios/app/tungaloy/id1641861093)

This app provides engineers and salespersons with technical support for cutting tools and machining operations. Access product news, videos, e-catalogs, and selection guides. It also includes tools for calculating machine power and converting insert grades.

**Highlights:** New product and technical articles, Product demonstration videos, E-catalog with specifications and CAD, Tool selection and conversion tools, Machine power calculator, Online shop with order placement

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tri free?

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

### Is Tungaloy free?

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

### Which has better reviews, Tri or Tungaloy?

Tri and Tungaloy are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do Tri or Tungaloy have ads?

Tri shows ads; Tungaloy does not.

### Which is updated more often, Tri or Tungaloy?

Tri ships an update every 12 months, and Tungaloy weekly. Most recently, Tri was updated on October 20, 2026 and Tungaloy on October 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*