# Machinist Calc Pro vs Angle Unit Converter

The clearest difference is price: Angle Unit Converter at $1.99 against Machinist Calc Pro's $24.99. Angle Unit Converter also leads on iOS requirement (12.0 vs 15.0). Machinist Calc Pro's advantage is rating (4.8 vs 2.0) and review sentiment (56% vs 33%). On ads, in-app purchases, monetization model and device support there is nothing between them.

Machinist Calc Pro costs $24.99 and Angle Unit Converter $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Machinist Calc Pro holds the better App Store score, 4.8 against 2.0. That said, the two scores are not equally well evidenced: Machinist Calc Pro has 31 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 56% of Machinist Calc Pro's written reviews are positive against 33% of Angle Unit Converter's.

Machinist Calc Pro ships an update every 5 months, Angle Unit Converter every 11 months. The most recent releases landed on November 4, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Machinist Calc Pro | Angle Unit Converter |
| --- | --- | --- |
| Price | $24.99 | **$1.99** |
| Rating | **[4.8 (31 ratings)](https://appshunter.io/ios/app/machinist-calc-pro/id596584456/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/angle-unit-converter/id1470713481/reviews) |
| Number of ratings | **31** | 1 |
| Positive reviews | **55.6% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 11 months |
| Monetization | Paid | Paid |
| Size | 14 MB | 8 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Calculated Industries](https://appshunter.io/developer/370406449) | [Kei Suefuji](https://appshunter.io/developer/1388335881) |

## What reviewers say

### Machinist Calc Pro

[App page](https://appshunter.io/ios/app/machinist-calc-pro/id596584456)

This app provides machining professionals with a comprehensive set of tools for calculations related to speeds, feeds, threads, and trigonometry. It aims to increase productivity and reduce tool wear by offering quick access to essential data, replacing the need for physical charts and books.

**Highlights:** Speeds and Feeds calculations, Thread size and drill size look-ups, Trigonometric functions, Right triangle math, US and Metric unit conversions, Built-in help

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

**In-app purchases:** none


### Angle Unit Converter

[App page](https://appshunter.io/ios/app/angle-unit-converter/id1470713481)

This application converts angle measurements between five different units: degrees, radians, degrees/arcminutes/arcseconds, arcminutes, and arcseconds. Simply input your value and select the desired output units for instant conversion.

**Highlights:** Converts between 5 angle units, Supports degrees, radians, arcminutes, arcseconds, Converts degrees to degrees/arcminutes/arcseconds, Simple input and unit selection, Displays converted values instantly

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

**In-app purchases:** none


## Frequently asked questions

### Is Machinist Calc Pro free?

Machinist Calc Pro costs $24.99, with no in-app purchases.

### Is Angle Unit Converter free?

Angle Unit Converter costs $1.99, with no in-app purchases.

### Which has better reviews, Machinist Calc Pro or Angle Unit Converter?

Machinist Calc Pro is rated higher. Machinist Calc Pro averages 4.8 out of 5 from 31 ratings, while Angle Unit Converter averages 2.0 from 1 ratings.

### Do Machinist Calc Pro or Angle Unit Converter have ads?

Neither Machinist Calc Pro nor Angle Unit Converter shows ads.

### Which is updated more often, Machinist Calc Pro or Angle Unit Converter?

Machinist Calc Pro ships an update every 5 months, and Angle Unit Converter every 11 months. Most recently, Machinist Calc Pro was updated on November 4, 2026 and Angle Unit Converter on November 3, 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.*