# GCode Scanner for CNC Machines — Machinist Toolkit, AI Chatbot

> View and simulate CNC G-code and STL files for 3D printing and manufacturing. (iPhone/iPad app by Jeremiah Moore.)

- Source: https://appshunter.io/ios/app/gcode-scanner-for-cnc-machines/id6747010022 (this page in markdown: same URL + `.md`)
- Developer: [Jeremiah Moore](https://appshunter.io/developer/1695450531)
- Category: Utilities, Productivity
- Price: Free with in-app purchases
- Rating: 5.00/5 from 3 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 16.4 · 77 MB
- Languages: American English
- Released: 2025-06-10
- Data updated: 2026-08-27
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/gcode-scanner-for-cnc-machines/id6747010022/reviews.md

## What is GCode Scanner for CNC Machines?

G-Code scanner lets you view STL files before 3d printing. It is a photo scanner for CNC machine code and STL viewer. This eas
3D printing stl viewer tool, G code viewer for CNC, CNC G-Code & STL Viewer gives machinists, programmers, and engineers a powerful pocket-sized tool for inspecting, simulating, and sharing toolpaths—anywhere the job takes you.

WHY CHOOSE CNC G-CODE & STL VIEWER
• Instant insight: Load FANUC- or HAAS-style G-code in seconds and watch real-time toolpath playback before a single chip is cut.
• Error prevention: Catch gouges, over-travels, and syntax issues early so you protect cutters, fixtures, and machines.
• STL Viewer: Upload and view STL models quickly and easily, right from your phone
• Universal compatibility: Works with Gcode from most major machine tool companies
• Shop-floor ready: Dark theme, large coordinates, and touch-friendly controls keep the data readable in bright coolant-splashed environments.
• Cloud or local: Import files from email, Google Drive, Dropbox, or straight from your device’s storage—no forced sign-ups.

WHO IT’S FOR
• Job-shop machinists verifying edits right at the machine
• Manufacturing engineers adjusting code on the production floor
• CAD/CAM programmers teaching technicians how to debug code
• Instructors demonstrating CNC concepts in the classroom
• Hobbyists running desktop routers or 3D printers that accept G-code

SAVE TIME, SAVE TOOLS, SAVE MONEY

Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Key features

- 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

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

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


## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/gcode-scanner-for-cnc-machines/id6747010022/reviews.md

### 5/5 — A must have tools for CNC Machinists and engineers

*2026-01-19*

CNC G code & STL viewer is an essential tools for anyone in the 3D printing or CNC machining industry. It allows me to instantly load and simulate G codes, preventing costly errors and saving time.

**Developer response:** Glad you find it useful! Thank you so much for your review!

## Frequently asked questions about GCode Scanner for CNC Machines

### What is G-Code Scanner & STL Viewer?

G-Code Scanner & STL Viewer is a mobile application designed to help users inspect, simulate, and share toolpaths for CNC machines and view STL files for 3D printing. It provides instant insight into G-code and helps prevent errors before production begins.

### What types of G-code does G-Code Scanner & STL Viewer support?

The application supports G-code from most major machine tool companies, including FANUC- and HAAS-style G-code. This universal compatibility ensures it can be used with a wide range of CNC machines.

### Can G-Code Scanner & STL Viewer help prevent errors?

Yes, G-Code Scanner & STL Viewer is designed for error prevention. It allows users to catch gouges, over-travels, and syntax issues early by simulating toolpaths, thus protecting cutters, fixtures, and machines.

### How can I import files into G-Code Scanner & STL Viewer?

You can import files from various sources, including email, Google Drive, Dropbox, or directly from your device's storage. The app does not require any forced sign-ups for importing files.

### Is G-Code Scanner & STL Viewer suitable for use on the shop floor?

Yes, the application is shop-floor ready with features like a dark theme, large coordinates, and touch-friendly controls. These design elements ensure the data remains readable even in bright, challenging environments.

### What are the subscription options for G-Code Scanner & STL Viewer?

G-Code Scanner & STL Viewer offers subscription plans, including a Pro Weekly Membership for $4.99 and a Pro Annual Membership for $69.99. These plans likely unlock advanced features or remove limitations.

### Does G-Code Scanner & STL Viewer have ads?

No, G-Code Scanner & STL Viewer does not contain advertisements. The application is free to download and use, with optional in-app purchases for enhanced functionality.

### What is the user sentiment for G-Code Scanner & STL Viewer?

The app has received a 5.0-star rating from 1 review, indicating a highly positive user sentiment. This suggests users find the tool valuable and effective for their needs.

## Version history (last 5 releases)

### 40 — 2026-08-26

NEW GCODE SCANNER UPDATES:
- Machinist Toolkit for GD&T, Machine Shop math
- More CNC Machine support
- AI Chatbot, Don the Machinist

### 37 — 2026-08-25

NEW GCODE SCANNER UPDATES:
- Machinist Toolkit for GD&T, Machine Shop math
- More CNC Machine support
- AI Chatbot, Don the Machinist

### Setup timer added, Gcode mproved speed and accuracy — 2026-06-07

- Better AI analysis
- Keep track of your setups with the CNC setup timer
- UI design update
- Over 2x more machining resources

### New Feature: Setup Timer — 2026-06-03

- Better AI analysis
- Keep track of your setups with the CNC setup timer
- UI design update
- Over 2x more machining resources

### AI Upgrade — 2026-05-11

Learn Gcode on the job with your phone!
- Improved Photo -> Gcode flow for fast results!
- Updated AI for more accuracy
- Improved multi-language support

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## More apps by Jeremiah Moore

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All apps by Jeremiah Moore: https://appshunter.io/developer/1695450531

## Related topics

[g-code viewer & converter](https://appshunter.io/ios/topics/g-code-viewer-converter) · [gcode](https://appshunter.io/ios/topics/gcode) · [sacn viewer](https://appshunter.io/ios/topics/sacn-viewer)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-27.*