Best Cnc Machinist Apps

250+ iOS apps curated and reviewed

4.7 avg rating
17 free apps
Updated September 2026

Looking for free cnc machinist apps? 17 of our 250+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Cnc Machinist Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1CNC Machinist Calculator ProCNC Machinist Calculator Pro$14.994.7★ (675)NoNoSep 2026
2CNC Lathe Simulator LiteCNC Lathe Simulator LiteFree3.7★ (11)NoNoSep 2026
3G-Code Guru: CNC Machinist KitG-Code Guru: CNC Machinist KitFree5.0★ (3)NoYesAug 2026
4CNC Machinist Calculator UltraCNC Machinist Calculator UltraFree4.9★ (26)NoYesSep 2026
5CNC Machinist CalculatorCNC Machinist CalculatorFree5.0★ (1)NoYesSep 2026
6CNC Machinist Calculator +CNC Machinist Calculator +FreeYesNoSep 2026
7CNC-VMCCNC-VMC$1.99NoNoJul 2026
8The Phillips MachinistThe Phillips MachinistFree4.6★ (394)YesNoSep 2026

Top Picks for Cnc Machinist

4.7😊(675 ratings)
$14.99
CNC Machinist Calculator Pro screenshot 1
CNC Machinist Calculator Pro screenshot 2
CNC Machinist Calculator Pro screenshot 3
CNC Machinist Calculator Pro screenshot 4
CNC Machinist Calculator Pro screenshot 5
CNC Machinist Calculator Pro screenshot 6

This app provides a comprehensive suite of calculators and tools for CNC machinists, engineers, and hobbyists. It offers specialized calculations for turning, milling, drilling, threading, and geometric tolerances, along with material data and G-code generation.

What We Love

  • 🚀 Useful for thread data
  • 👍 Helpful for programming mills and designing fixtures
  • 👍 Provides all the technical data needed
  • 👍 Great resource for learning as a beginner machinist
  • 👍 Fantastic machinist reference and calculator
  • 👍 Saves time in setup work
  • 👍 Comprehensive and easy to use
  • 👍 Invaluable for the modern machine shop employee

Room to Improve

  • 🐛 No more support or new features
  • 🐛 No easy reference chart for threads
  • 🐛 Calculator issues with mathematical operations
  • 🐛 Clunky UI and slow animations
  • 🐛 Pauses music when opened
  • 🐛 Thermal expansion calculator glitchy
G-Code Guru: CNC Machinist Kit#3

G-Code Guru: CNC Machinist Kit by Pawel Dembski

Editor, Calculator & Tooling
Worth Considering
📚 Education
5.0(3 ratings)
FreeIn-App Purchases
G-Code Guru: CNC Machinist Kit screenshot 1
G-Code Guru: CNC Machinist Kit screenshot 2
G-Code Guru: CNC Machinist Kit screenshot 3
G-Code Guru: CNC Machinist Kit screenshot 4
G-Code Guru: CNC Machinist Kit screenshot 5
G-Code Guru: CNC Machinist Kit screenshot 6

This app provides CNC machinists with offline access to G-code references, calculators, and lessons. It includes a code editor with syntax highlighting and safety checks, a speeds & feeds calculator, and a trigonometry solver. Users can also access a tooling library and a learning path with quizzes and challenges.

More Cnc Machinist apps to explore

FAQ about Cnc Machinist

What are the best cnc machinist apps for iPhone?
CNC Machinist Calculator Pro tops our cnc machinist apps ranking as of September 2026, with a 4.7-star average from 675 App Store ratings, and it's priced at $14.99.
Yes — 17 of the top cnc machinist apps we rank are free to download, including CNC Lathe Simulator Lite and G-Code Guru: CNC Machinist Kit.
CNC Machinist Calculator Pro has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 250+ cnc machinist apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app is a specialized calculator designed for professionals and hobbyists in the CNC machining field. It offers a wide range of tools for performing quick calculations related to turning, milling, drilling, threading, geometric tolerances, and more, aiding in programming, operation, and quoting.
Key features include dedicated calculators for turning, milling, and drilling operations, along with tools for thread calculations, bolt patterns, surface finish, and blueprint geometric tolerance descriptors (GD&T). It also provides material data, unit conversions, and the ability to export G-code for specific features.