Comparison

3D File Viewer vs GCode Scanner for CNC Machines

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

3D File Viewer

Easily open and explore 3D model files on your iPhone or iPad. Supports over 20 popular formats, offering smooth viewing with intuitive touch controls. Ideal for designers, engineers, architects, and students working with 3D data.

Highlights
  • Supports over 20 3D file formats
  • Fast and smooth 3D file viewing
  • Zoom, rotate, and pan with touch controls
  • Open files from Files app or other apps
  • Lightweight and easy to use
  • No account required
Features
Read full description

3D File Viewer is the easiest way to open and view 3D model files on your iPhone or iPad. Whether you're a designer, engineer, architect, or student, this app helps you explore 3D files anytime, anywhere. Supports over 20 popular 3D file formats: STL Viewer OBJ Viewer FBX Viewer GLTF Viewer PLY Viewer 3DS Viewer DAE Viewer STP STEP Viewer IGES Viewer IFC Viewer 3MF Viewer AMF Viewer BIM Viewer BREP Viewer FCSTD Viewer 3DM Viewer OFF Viewer WRL Viewer Key features: Fast and smooth 3D file viewing Zoom, rotate, and pan with touch controls Open files from Files, or any other app Lightweight and easy to use No account required Perfect for CAD users, 3D printing enthusiasts, and anyone working with 3D files. Download 3D File Viewer today and start viewing your models instantly. Removing ads requires a subscription, here is terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

GCode Scanner for CNC Machines

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
Read full description

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/

Screenshots

3D File Viewer3 screens
GCode Scanner for CNC Machines4 screens

Verdict

The call

The clearest difference is review sentiment: GCode Scanner for CNC Machines at 100% against 3D File Viewer's 33%. GCode Scanner for CNC Machines also leads on rating (5.0 vs 4.5). 3D File Viewer's advantage is ratings volume (48 vs 3). On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. 3D File Viewer sells 4 in-app purchases, starting at $3.99 per month and GCode Scanner for CNC Machines sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

GCode Scanner for CNC Machines holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: 3D File Viewer has 48 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 33% of 3D File Viewer's written reviews are positive against 100% of GCode Scanner for CNC Machines's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 20, 2026 and August 27, 2026 respectively.

Scorecard3 real differences · 7 level
3D File Viewer versus GCode Scanner for CNC Machines: the parameters behind the verdict, then further details
Parameter3D File ViewerGCode Scanner for CNC Machines
PriceFreeFree
Rating4.5 (48 ratings)5.0 (3 ratings) — better
Positive reviews33.3% of reviews100.0% of reviews — better
Number of ratings48 — better3
Update frequencyEvery 3 weeksEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.616.4 — better
Further details — not scored
Size11 MB77 MB
Age rating4+4+
DeveloperAndeesh Mehdi SyedJeremiah Moore

Customer experience

3D File Viewer

All ratings48 ratings
Positive89.6%
Neutral0.0%
Negative10.4%
Written reviews6 reviews
Positive33.3%
Neutral16.7%
Negative50.0%

GCode Scanner for CNC Machines

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

4 purchases

3D File Viewer

Subscriptions2
  • Remove Ads - Monthly3 Days trial$3.991 Month
  • Remove Ads - Annual3 Days trial$29.991 Year
One-time2
  • Remove Ads - Lifetime$29.99
  • Remove Ads$29.99
3 purchases

GCode Scanner for CNC Machines

Subscriptions3
  • Pro Weekly Membership$4.997 Days
  • Pro Monthly Membership$7.991 Month
  • Pro Annual Membership$69.991 Year

Questions

Is 3D File Viewer free?
3D File Viewer is free to download, with in-app purchases available.
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, 3D File Viewer or GCode Scanner for CNC Machines?
GCode Scanner for CNC Machines is rated higher. 3D File Viewer averages 4.5 out of 5 from 48 ratings, while GCode Scanner for CNC Machines averages 5.0 from 3 ratings.
Do 3D File Viewer or GCode Scanner for CNC Machines have ads?
Neither 3D File Viewer nor GCode Scanner for CNC Machines shows ads.
Which is updated more often, 3D File Viewer or GCode Scanner for CNC Machines?
3D File Viewer ships an update every 3 weeks, and GCode Scanner for CNC Machines every 3 weeks. Most recently, 3D File Viewer was updated on September 20, 2026 and GCode Scanner for CNC Machines on August 27, 2026.

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