# G Code Generator CNC OD ID vs GCode Scanner for CNC Machines

The clearest difference is price: GCode Scanner for CNC Machines at Free against G Code Generator CNC OD ID's $3.99. GCode Scanner for CNC Machines also leads on rating (5.0 vs 3.9) and review sentiment (100% vs 63%). G Code Generator CNC OD ID's advantage is in-app purchases (none vs 3) and ratings volume (19 vs 3). On update cadence, ads and device support there is nothing between them.

GCode Scanner for CNC Machines is free to download; G Code Generator CNC OD ID costs $3.99 up front. GCode Scanner for CNC Machines sells 3 in-app purchases, starting at $4.99 per 7 days. G Code Generator CNC OD ID asks for nothing beyond the download.

GCode Scanner for CNC Machines holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: G Code Generator CNC OD ID has 19 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 63% of G Code Generator CNC OD ID's written reviews are positive against 100% of GCode Scanner for CNC Machines's.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 24, 2026 and August 27, 2026 respectively.

## The numbers

| Metric | G Code Generator CNC OD ID | GCode Scanner for CNC Machines |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [3.9 (19 ratings)](https://appshunter.io/ios/app/g-code-generator-cnc-od-id/id1081603013/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/gcode-scanner-for-cnc-machines/id6747010022/reviews)** |
| Number of ratings | **19** | 3 |
| Positive reviews | 62.5% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 19 MB | 77 MB |
| Requires iOS | **9.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Motionics LLC](https://appshunter.io/developer/424498959) | [Jeremiah Moore](https://appshunter.io/developer/1695450531) |

## What reviewers say

### G Code Generator CNC OD ID

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

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


### GCode Scanner for CNC Machines

[App page](https://appshunter.io/ios/app/gcode-scanner-for-cnc-machines/id6747010022)

This tool allows users to view and simulate CNC machine code (G-code) and 3D model files (STL) before production. It helps prevent errors, save tools, and reduce setup times for machinists, programmers, and engineers.

**Highlights:** G-code viewer with real-time toolpath playback, Error detection for gouges and over-travels, STL model viewer, Universal G-code compatibility, Shop-floor ready interface, Import from cloud storage or local device

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly Membership | $4.99 | per 7 days |
| Pro Monthly Membership | $7.99 | per month |
| Pro Annual Membership | $69.99 | per year |


## Frequently asked questions

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

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

### Is GCode Scanner for CNC Machines free?

GCode Scanner for CNC Machines is free to download, with in-app purchases available.

### Which has better reviews, G Code Generator CNC OD ID or GCode Scanner for CNC Machines?

GCode Scanner for CNC Machines is rated higher. G Code Generator CNC OD ID averages 3.9 out of 5 from 19 ratings, while GCode Scanner for CNC Machines averages 5.0 from 3 ratings.

### Do G Code Generator CNC OD ID or GCode Scanner for CNC Machines have ads?

Neither G Code Generator CNC OD ID nor GCode Scanner for CNC Machines shows ads.

### Which is updated more often, G Code Generator CNC OD ID or GCode Scanner for CNC Machines?

G Code Generator CNC OD ID ships an update every 3 weeks, and GCode Scanner for CNC Machines every 3 weeks. Most recently, G Code Generator CNC OD ID was updated on September 24, 2026 and GCode Scanner for CNC Machines on August 27, 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.*