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.
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.
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
Learn CNC lathe programming with a 3D simulator. Practice G-code, edit control programs, and visualize machining operations. Ideal for students and aspiring metalworking specialists.
G-Code Guru: CNC Machinist Kit tops our cnc machinist apps ranking as of October 2026, with a 5.0-star average from 7 App Store ratings, and it's free to download.
Are there free cnc machinist apps for iPhone?
Yes — 17 of the top cnc machinist apps we rank are free to download, including G-Code Guru: CNC Machinist Kit and CNC Lathe Simulator Lite.
Does G-Code Guru: CNC Machinist Kit have ads or in-app purchases?
G-Code Guru: CNC Machinist Kit has no ads and offers in-app purchases, according to its App Store listing as of October 2026.
How many cnc machinist apps are on the App Store?
We track 250+ cnc machinist apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.