Tri vs Tungaloy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tri
This utility app provides the formula and value for calculating triangle properties. It's designed for quick access to mathematical formulas related to triangles.
- Triangle formula display
- Value calculation
- Quick access utility
- Mathematical formulas
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App to display a formula and value of a triangle.
Tungaloy
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.
- 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
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Tungaloy’s new App offers latest solutions for engineers and salespersons in need of technical support on cutting tools as well as machining operations. News New products, videos, and technical articles Videos Highlights product features with tools in action E-Catalog Item specifications, related tools, CAD drawings, and 3D models Tung-Navi Selects the best tools for the job by entering materials and cutting requirements Insert Converter Provides respective Tungaloy insert grades with the given grades of the major cutting tool manufacturers Machine Power Calculator Calculates necessary cutting parameters for machines Turning Insert Selection Guide Selects the best grade and chipbreaker for turning operations from the given workpiece materials and cutting applications Online Shop Item specifications, related tools, downloadable engineering files, and shopping basket to place orders Barcode Scanner Scans product barcodes to quickly access information on Online Shop
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Tri | Tungaloy |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (2 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 12 months | Weekly — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 4 MB | 27 MB |
| Age rating | 4+ | 17+ |
| Developer | Thirdware.jp | Tungaloy Corporation |
Customer experience
Tri
Tungaloy
In-app purchases
Tri
No in-app purchases
Tungaloy
No in-app purchases
