--- title: "G-Code Guru: CNC Machinist Kit - Reviews, Revenue and Downloads in United States | Apple App Store" description: "Stop Googling G-codes on the shop floor. G-Code Guru puts every reference, calculator, and lesson a CNC programmer needs right in your pocket - fully offline, ready at the machine. REFERENCE - 124 G-" --- # G-Code Guru: CNC Machinist Kit — United States > Editor, Calculator & Tooling ![G-Code Guru App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/05/8e/4c/058e4c60-28fd-5711-6a5a-c013c6a5e308/AppIcon-0-0-1x_U007ephone-0-1-85-220.png/434x0w.png) **Developer:** [Pawel Dembski](https://apptail.io/developer/pawel-dembski-uCWk) **Category:** Education **Rating:** 5.0/5 (5 ratings) **Price:** Free **Bundle ID:** com.pawel.dembski.G-Code-Guru **Store:** Apple App Store **Country:** United States **Version:** 2.0.1 (released 2026-09-28) **Original Release:** 2026-03-25 **Languages:** Spanish, German, Chinese, Korean, English, Japanese, Polish, Russian **App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id6758800091) **AppTail Page:** [https://apptail.io/app/g-code-guru-cnc-machinist-kit-Dycz/united-states](https://apptail.io/app/g-code-guru-cnc-machinist-kit-Dycz/united-states) ## G-Code Guru Description Stop Googling G-codes on the shop floor. G-Code Guru puts every reference, calculator, and lesson a CNC programmer needs right in your pocket - fully offline, ready at the machine. REFERENCE - 124 G-Code and M-Code entries with descriptions, examples, and usage notes - 7 controllers: Fanuc, Haas, Siemens, Mazak, Okuma, Grbl, Marlin - Search, filter by category, and save favorites for quick access CODE EDITOR - Syntax highlighting for G-Code with line numbers - Real-time validation catches errors before your machine does - Safety checks: spindle, tool length comp, safe Z, program endings - Safe code templates for headers, tool changes, and endings - Export programs as .nc files, ready for the controller SPEEDS & FEEDS CALCULATOR - Calculate RPM, feed rate, chip load, and material removal rate - Material database: aluminum, steel, stainless, titanium, plastics, composites - Tool database: end mills, drills, taps, inserts - Save favorite calculation presets TRIGONOMETRY CALCULATOR - Right triangle solver - Bolt circle generator - Taper and angle calculations TOOLING LIBRARY - Cutting tools: end mills, drills, taps, reamers, boring bars, turning tools - Tool holders: CAT, BT, HSK, ER collets, straight shank, Morse taper - Insert specifications: CNMG, WNMG, DNMG, and more - Thread specs: UNC, UNF, Metric, NPT, BSP - Drill and tap charts with tap drill reference LEARNING PATH - 55 structured lessons across 11 modules - 163 quiz questions with immediate feedback - 15 interactive code challenges with validation - Topics: fundamentals, motion, tool management, M-codes, safety, macro programming, multi-axis, lathe, 3D printing - Track your progress and bookmark lessons KNOWLEDGE BASE - In-depth articles on chip load, surface speed, tool materials, formulas, and best practices SCAN & ANALYZE - Point your camera at a machine screen or printed program - On-device OCR extracts the G-Code - AI-powered analysis explains what the program does step by step - Safety assessment flags missing safety blocks and risky moves - Import scanned code into the editor BUILT FOR THE SHOP FLOOR - 100% offline - no internet required - Dark industrial theme, easy on the eyes - Works on iPhone and iPad G-Code Guru Pro unlocks the full toolkit: all 11 learning modules, unlimited saves, the complete tooling library, knowledge base, calculation presets, code scanning analysis, and every future update. Privacy Policy: Terms of Use: ## G-Code Guru Screenshots - [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/ca/23/26/ca232645-48ac-a3fc-968c-6a8f582f653d/gcg1.jpg/1242x2688.png) - [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/4c/0d/54/4c0d54e6-5bf1-4a63-4875-35e41cb8bbdd/gcg2.jpg/1242x2688.png) - [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/47/b5/be/47b5be6c-6049-90f8-684b-1f918ccc5667/gcg3.jpg/1242x2688.png) - [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/69/2d/21/692d2104-378e-23bc-ee70-818d4ffb3fbd/gcg4.jpg/1242x2688.png) - [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/47/48/57/474857ea-ab6c-7785-0daa-042f901d90bf/gcg5.jpg/1242x2688.png) - [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/3a/dd/a4/3adda460-113e-a2bb-3822-6500e153ef8f/gcg6.jpg/1242x2688.png) - [Screenshot 7](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/98/00/3d/98003d65-07d1-8840-0e20-bcb0d8c97705/gcg7.jpg/1242x2688.png) - [Screenshot 8](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/43/16/6e/43166e75-4076-5f8b-0c09-1edf7b5307e8/gcg8.jpg/1242x2688.png) - [Screenshot 9](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/6b/97/7b/6b977bb7-47be-b4f1-b11e-5ef051c67abb/gcg9.jpg/1242x2688.png) ## G-Code Guru Rating Breakdown in United States - 5 stars: 5 (100%) - 4 stars: 0 (0%) - 3 stars: 0 (0%) - 2 stars: 0 (0%) - 1 stars: 0 (0%) ## G-Code Guru In-App Purchases | Item | Price | |------|-------| | Pro Annual | $19.99 | | G-Code Guru Pro | $59.99 | ## G-Code Guru Available In - [United States](https://apptail.io/app/g-code-guru-cnc-machinist-kit-Dycz/united-states) - [Russia](https://apptail.io/app/g-code-guru-cnc-machinist-kit-Dycz/russia) - [China](https://apptail.io/app/g-code-guru-cnc-machinist-kit-Dycz/china) - [South Korea](https://apptail.io/app/g-code-guru-cnc-machinist-kit-Dycz/south-korea) - [Poland](https://apptail.io/app/g-code-guru-cnc-machinist-kit-Dycz/poland) - [Germany](https://apptail.io/app/g-code-guru-cnc-machinist-kit-Dycz/germany) - 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