Machining Calculator vs Tri
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Machining Calculator
This app helps engineers and operators optimize machining performance by calculating optimal cut settings for turning, milling, drilling, and tapping. It demonstrates how minor parameter adjustments can significantly impact overall results.
- Calculate cut settings
- Optimize turning performance
- Optimize milling performance
- Optimize drilling performance
- Optimize tapping performance
- Demonstrates parameter impact
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Machining calculator apps: calculate cut settings based on job parameters The Machining calculator apps are designed to help engineers and operators optimize the performance of their turning, milling, drilling and tapping applications by calculating optimal cut settings based on job parameters. The apps also highlight how small adjustments of parameters can have a big impact on the overall results.
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.
Screenshots
Verdict
The clearest difference is review sentiment: Tri at 100% against Machining Calculator's 55%. Tri also leads on rating (5.0 vs 4.3). Machining Calculator's advantage is ads (none vs shown) and update cadence (every 5 months vs every 12 months). On price, in-app purchases and device support 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.
Tri holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews point the same way: 55% of Machining Calculator's written reviews are positive against 100% of Tri's.
Machining Calculator ships an update every 5 months, Tri every 12 months. The most recent releases landed on August 29, 2026 and September 16, 2026 respectively.
| Parameter | Machining Calculator | Tri |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (4 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 54.5% of reviews | 100.0% of reviews — better |
| Number of ratings | 4 — better | 1 |
| Update frequency | Every 5 months — better | Every 12 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 5 MB | 4 MB |
| Age rating | 12+ | 4+ |
| Developer | AB Sandvik Coromant | Thirdware.jp |
Customer experience
Machining Calculator
Tri
In-app purchases
Machining Calculator
No in-app purchases
Tri
No in-app purchases
Questions
Is Machining Calculator free?
Is Tri free?
Which has better reviews, Machining Calculator or Tri?
Do Machining Calculator or Tri have ads?
Which is updated more often, Machining Calculator or Tri?
Other comparisons
