# Machinist Calc Pro 2 vs G Code Generator CNC OD ID

The clearest difference is review sentiment: G Code Generator CNC OD ID at 63% against Machinist Calc Pro 2's 0%. G Code Generator CNC OD ID also leads on price ($3.99 vs $29.99) and update cadence (every 3 weeks vs every 9 months). Machinist Calc Pro 2's advantage is rating (4.5 vs 3.9). On ads, in-app purchases and device support there is nothing between them.

Machinist Calc Pro 2 costs $29.99 and G Code Generator CNC OD ID $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Machinist Calc Pro 2 holds the better App Store score, 4.5 against 3.9. Both are backed by a comparable volume of ratings — 6 and 19 respectively. Written reviews complicate that: 0% of Machinist Calc Pro 2's written reviews are positive against 63% of G Code Generator CNC OD ID's, so the app with the better star average is not the one people write more warmly about.

Machinist Calc Pro 2 ships an update every 9 months, G Code Generator CNC OD ID every 3 weeks. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Machinist Calc Pro 2 | G Code Generator CNC OD ID |
| --- | --- | --- |
| Price | $29.99 | **$3.99** |
| Rating | **[4.5 (6 ratings)](https://appshunter.io/ios/app/machinist-calc-pro-2/id953541152/reviews)** | [3.9 (19 ratings)](https://appshunter.io/ios/app/g-code-generator-cnc-od-id/id1081603013/reviews) |
| Number of ratings | 6 | **19** |
| Positive reviews | 0.0% of reviews | **62.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 weeks** |
| Monetization | Paid | **Free** |
| Best chart rank | — | **#174** |
| Size | 25 MB | 19 MB |
| Requires iOS | 11.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Calculated Industries](https://appshunter.io/developer/370406449) | [Motionics LLC](https://appshunter.io/developer/424498959) |

## What reviewers say

### Machinist Calc Pro 2

[App page](https://appshunter.io/ios/app/machinist-calc-pro-2/id953541152)

This app provides comprehensive speed and feed calculations for various machining processes including milling, turning, drilling, and boring. It includes material and tool settings, drill and thread chart look-ups, and right triangle solutions.

**Highlights:** Speed and feed calculations for milling, turning, drilling, boring, Material and tool setting selection, Built-in drill and thread chart look-ups, Right triangle math and trigonometric functions, Bolt-circle pattern layouts, 3-Wire measurement calculations, U.S. and Metric unit conversions

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

**In-app purchases:** none


### G Code Generator CNC OD ID

[App page](https://appshunter.io/ios/app/g-code-generator-cnc-od-id/id1081603013)

**Currently charting:** #174 Top Paid · Utilities (US App Store)

This utility app simplifies CNC G-code generation for various OD and ID machining tasks. Input numerical values to quickly create codes for angles, radii, chamfers, and more. Easily copy, email, or screenshot your generated G-codes.

**Highlights:** Generate G-codes for OD machining, Generate G-codes for ID machining, Input numerical values for calculations, Supports angle and radius conversions, Handles chamfer and step operations, Copy G-codes to clipboard, Email generated G-codes

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

**In-app purchases:** none


## Frequently asked questions

### Is Machinist Calc Pro 2 free?

Machinist Calc Pro 2 costs $29.99, with no in-app purchases.

### Is G Code Generator CNC OD ID free?

G Code Generator CNC OD ID costs $3.99, with no in-app purchases.

### Which has better reviews, Machinist Calc Pro 2 or G Code Generator CNC OD ID?

Machinist Calc Pro 2 is rated higher. Machinist Calc Pro 2 averages 4.5 out of 5 from 6 ratings, while G Code Generator CNC OD ID averages 3.9 from 19 ratings.

### Do Machinist Calc Pro 2 or G Code Generator CNC OD ID have ads?

Neither Machinist Calc Pro 2 nor G Code Generator CNC OD ID shows ads.

### Which is updated more often, Machinist Calc Pro 2 or G Code Generator CNC OD ID?

Machinist Calc Pro 2 ships an update every 9 months, and G Code Generator CNC OD ID every 3 weeks. Most recently, Machinist Calc Pro 2 was updated on November 1, 2026 and G Code Generator CNC OD ID on November 6, 2026.

---

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