Comparison

Machining Calc 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

Machining Calc

Features
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Calculate cutting speed, spindle RPM, feed rate and depth of cut for milling, turning and drilling — in seconds, right at the machine. Machining Calc puts the everyday speeds and feeds math of the shop floor in one place. Enter your tool and cut, get the numbers, and get back to making chips. WHY MACHINISTS USE IT • All three core operations in one app: milling, turning and drilling • Clear inputs and results — no digging through handbook tables • Quick checks between setups, at the machine or at your desk • Works on iPhone, iPad and Apple-silicon Mac • No account, and no data collected from you CALCULATIONS INCLUDED Milling • Cutting speed and spindle speed (RPM) • Feed rate • Depth of cut Turning (lathe) • Cutting speed and spindle speed (RPM) • Feed rate • Depth of cut Drilling • Cutting speed and spindle speed (RPM) • Feed rate Inch and metric units Chip load / feed per tooth WHO IT'S FOR CNC machinists and operators, manual machinists, programmers, manufacturing and mechanical engineers, toolroom staff, apprentices and machining students. WHY CHOOSE MACHINING CALC It does one job — machining calculations — and keeps it simple. The free version lets you try the calculators before you decide; Premium unlocks [list exactly what Premium adds]. Results are starting points. Always confirm cutting data against your tool manufacturer's recommendations and your machine's limits. Download Machining Calc and keep your speeds and feeds within reach. PREMIUM Monthly $2.99 · Yearly $5.99 · Lifetime $12.99 (one-time). Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel in your Apple ID settings. Privacy Policy: https://applicationcontent.wordpress.com/privacy-policy/ Terms of Use: https://applicationcontent.wordpress.com/terms-of-use/

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

Machining Calc4 screens
GCode Scanner for CNC Machines4 screens

Verdict

The call

The clearest difference is update cadence: GCode Scanner for CNC Machines at every 3 weeks against Machining Calc's every 22 months. On price, ads, in-app purchases and device support 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. Machining Calc sells 3 in-app purchases, starting at $2.99 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.

UpkeepUpdate frequency

Machining Calc ships an update every 22 months, GCode Scanner for CNC Machines every 3 weeks. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

Scorecard1 real difference · 9 level
Machining Calc versus GCode Scanner for CNC Machines: the parameters behind the verdict, then further details
ParameterMachining CalcGCode Scanner for CNC Machines
PriceFreeFree
Rating—5.0 (3 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—3 — better
Update frequencyEvery 22 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better16.4
Further details — not scored
Size38 MB77 MB
Age rating4+4+
DeveloperAshvin KevadiyaJeremiah Moore

In-app purchases

3 purchases

Machining Calc

Subscriptions2
  • Monthly Premium$2.991 Month
  • Yearly Premium$5.991 Year
One-time1
  • Lifetime$12.99
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 Machining Calc free?
Machining Calc 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.
Do Machining Calc or GCode Scanner for CNC Machines have ads?
Neither Machining Calc nor GCode Scanner for CNC Machines shows ads.
Which is updated more often, Machining Calc or GCode Scanner for CNC Machines?
Machining Calc ships an update every 22 months, and GCode Scanner for CNC Machines every 3 weeks. Most recently, Machining Calc was updated on November 4, 2026 and GCode Scanner for CNC Machines on October 30, 2026.

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