# Lathe Calculator vs Triangle Calculate & Visualize

The clearest difference is price: Lathe Calculator at Free against Triangle Calculate & Visualize's $0.95. Lathe Calculator also leads on update cadence (every 5 days vs every 3 weeks). Triangle Calculate & Visualize's advantage is in-app purchases (none vs 1) and iOS requirement (15.0 vs 17.0). On rating, ratings volume, ads and device support there is nothing between them.

Lathe Calculator is free to download; Triangle Calculate & Visualize costs $0.95 up front. Lathe Calculator sells 1 one-off in-app purchase. Triangle Calculate & Visualize asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Lathe Calculator against 5.0 for Triangle Calculate & Visualize. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Lathe Calculator ships an update every 5 days, Triangle Calculate & Visualize every 3 weeks. Both last shipped on October 28, 2026.

## The numbers

| Metric | Lathe Calculator | Triangle Calculate & Visualize |
| --- | --- | --- |
| Price | **Free** | $0.95 |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/lathe-calculator-cnc-tool/id6765566579/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/triangle-calculate-and-visualize/id6767890883/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 25 MB | 19 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [惟 陈](https://appshunter.io/developer/1584601883) | [健 黄](https://appshunter.io/developer/1716262021) |

## What reviewers say

### Lathe Calculator

[App page](https://appshunter.io/ios/app/lathe-calculator-cnc-tool/id6765566579)

This tool streamlines CNC turning operations by quickly calculating essential parameters and generating programs. It simplifies complex tasks like thread and taper calculations, tolerance checks, and arc positioning, helping to reduce errors and improve efficiency for machinists and programmers.

**Highlights:** Thread calculation (metric, imperial, unified), Taper calculation, Tolerance and fit analysis, Arc tangency point calculation, Macro programming assistant, Save and reuse parameters, Built-in program library

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Unlock | $24.99 | one-time |


### Triangle Calculate & Visualize

[App page](https://appshunter.io/ios/app/triangle-calculate-and-visualize/id6767890883)

This tool calculates triangle properties like side lengths, angles, area, and perimeter. It visually displays results with clear graphics, aiding understanding for students, educators, and professionals. Supports various units, precision settings, and multiple languages.

**Highlights:** Calculate side lengths, angles, area, and perimeter, Visualize triangle results graphically, Set angle units (degrees/radians), Adjust calculation precision, Supports light, dark, and system themes, Multilingual interface

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

**In-app purchases:** none


## Frequently asked questions

### Is Lathe Calculator free?

Lathe Calculator is free to download, with in-app purchases available.

### Is Triangle Calculate & Visualize free?

Triangle Calculate & Visualize costs $0.95, with no in-app purchases.

### Which has better reviews, Lathe Calculator or Triangle Calculate & Visualize?

Lathe Calculator and Triangle Calculate & Visualize are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Lathe Calculator or Triangle Calculate & Visualize have ads?

Neither Lathe Calculator nor Triangle Calculate & Visualize shows ads.

### Which is updated more often, Lathe Calculator or Triangle Calculate & Visualize?

Lathe Calculator ships an update every 5 days, and Triangle Calculate & Visualize every 3 weeks. Most recently, Lathe Calculator was updated on October 28, 2026 and Triangle Calculate & Visualize on October 28, 2026.

---

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