Best Cnc Code Apps

250+ iOS apps curated and reviewed

4.0 avg rating
17 free apps
Updated August 2026

With an average user rating of 4.0★, the cnc code category is one of the App Store's strongest. Browse all 250+ apps we track, sorted so the most loved ones surface first.

Compare top Cnc Code Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1CNC CodeCNC CodeFreeNoYesJul 2026
2G-Code Guru: CNC Machinist KitG-Code Guru: CNC Machinist KitFree5.0★ (3)NoYesAug 2026
3Sequence :: G-Code editor, CNCSequence :: G-Code editor, CNCFree4.3★ (64)NoYesAug 2026
4G-Codes CardsG-Codes CardsFreeNoNoJul 2026
5Cnc Turning Programming AppCnc Turning Programming AppFreeNoNoAug 2026
6Calculate CNC: Lathe G-CodeCalculate CNC: Lathe G-CodeFreeNoYesJul 2026
7CNC Lathe Simulator LiteCNC Lathe Simulator LiteFree3.7★ (11)NoNoAug 2026
8CNC Machinist CalculatorCNC Machinist CalculatorFree5.0★ (1)NoYesAug 2026

Top Picks for Cnc Code

G-Code Guru: CNC Machinist Kit#2

G-Code Guru: CNC Machinist Kit by Pawel Dembski

Editor, Calculator & Tooling
Strong Contender
📚 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.

Sequence :: G-Code editor, CNC#3

Sequence :: G-Code editor, CNC by Hypercube GFX, Inc.

Machining, CAD Modeling, CAM
Worth Considering
🎨 Graphics & Design
4.3(64 ratings)
FreeIn-App Purchases
Sequence :: G-Code editor, CNC screenshot 1
Sequence :: G-Code editor, CNC screenshot 2
Sequence :: G-Code editor, CNC screenshot 3
Sequence :: G-Code editor, CNC screenshot 4
Sequence :: G-Code editor, CNC screenshot 5

This app is a text editor for G-Code and M-Code, designed for machining on CNC and lathe machines. It allows users to import, save, and visualize STL models with a built-in 3D renderer. Subscriptions are available and can be canceled anytime.

More Cnc Code apps to explore

4
G-Codes Cards
G-Codes Cards
G-Codes Cards
by Noam Durgnat
Free
📚 Education
(0)
5
Cnc Turning Programming App
Cnc Turning Programming App
Cnc Turning Programming App
Fast CNC Turning Code Creator
Free
🔧 Utilities
(0)
6
Calculate CNC: Lathe G-Code
Calculate CNC: Lathe G-Code
Calculate CNC: Lathe G-Code
Sketch a part, get G-code.
Free
🔧 Utilities
(0)
7
CNC Lathe Simulator Lite
CNC Lathe Simulator Lite
CNC Lathe Simulator Lite
CNC Simulator Fanuc Code
Free

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 programming practice3D simulation of lathe operationsControl program file management
📚 Education
(11)
free
8
CNC Machinist Calculator
CNC Machinist Calculator
CNC Machinist Calculator
Speed Feed RPM Milling
Free

This industrial calculator provides CNC programmers and machinists with instant calculations for speeds, feeds, horsepower, coolant flow, tolerances, and G-code patterns. It offers 16 production-ready tools, works offline, and features a user-friendly interface designed for the shop floor. Save and share results for improved efficiency and accuracy.

Milling Speed & Feed CalculatorDrilling Speed & Feed CalculatorTolerance & Fit Calculator
🔧 Utilities
(1)
free with in-app purchases
9
Lathe Calculator: CNC Tool
Lathe Calculator: CNC Tool
Lathe Calculator: CNC Tool
CNC Macro Program Generator
Free

This tool streamlines CNC turning operations by quickly calculating essential parameters and generating programs. It simplifies complex tasks like thread and taper calculations, tolerance checks, and arc positioning, helping to reduce errors and improve efficiency for machinists and programmers.

Thread calculation (metric, imperial, unified)Taper calculationTolerance and fit analysis
🔧 Utilities
(0)
free with in-app purchases
10
CNC · G-Code — Help
CNC · G-Code — Help
CNC · G-Code — Help
G-code & calculators, offline
Free
📊 Productivity
(0)
11
CNC Path: G-Code Simulator
CNC Path: G-Code Simulator
CNC Path: G-Code Simulator
Toolpath Viewer & NC Editor
Free
📊 Productivity
(0)
12
G Code Generator CNC OD ID
G Code Generator CNC OD ID
G Code Generator CNC OD ID
by Motionics LLC
$3.99

This utility app simplifies CNC G-code generation for various OD and ID machining tasks. Input numerical values to quickly create codes for angles, radii, chamfers, and more. Easily copy, email, or screenshot your generated G-codes.

Generate G-codes for OD machiningGenerate G-codes for ID machiningInput numerical values for calculations
🔧 Utilities
(19)
free
13
ShopCAM: CNC G-Code Generator
ShopCAM: CNC G-Code Generator
ShopCAM: CNC G-Code Generator
Machinist CAM & Toolpaths
Free
📊 Productivity
(0)
14
Easy CNC
Easy CNC
Easy CNC
by Siemens AG
Free

Access over 5000 pages of CNC training manuals and content in PDF format, updated with the latest information. Features a PDF reader with annotation and bookmarking, a G-Code tool for finding compatible codes, and a video library. Includes a glossary and links to online communities.

Digital training manualsPDF reader with annotationsG-Code tool
📊 Productivity
(8)
free
15
Fanuc CNC Simulator
Fanuc CNC Simulator
Fanuc CNC Simulator
Fanuc 0i-MF Plus CNC Simulator
$6.99

This app simulates the core functionalities of a CNC system, allowing users to practice coordinate control, edit programs, and set tool and workpiece parameters. It provides graphical simulation of the machining process and file management capabilities.

Coordinate control simulationControl program editingTool and workpiece parameter setup
📚 Education
(0)
paid
16
CNC Lathe Calculator & Program
CNC Lathe Calculator & Program
CNC Lathe Calculator & Program
Generate G-code & Calc Point
Free

This tool assists CNC lathe operators and programmers by generating G-code and performing complex calculations. It offers various processing templates, thread calculations, and a wide range of engineering tools for efficient machining.

G-code generationTangent point and arc calculationsMultiple processing templates
🔍 Reference
(2)
freemium
17
CNC Auto Pro
CNC Auto Pro
CNC Auto Pro
Auto IC Removal CNC Remote
Free
🔧 Utilities
(0)
18
CNC Assistant AI
CNC Assistant AI
CNC Assistant AI
by Maksym Syvak
Free
📊 Productivity
(0)
19
Real Art CNC
Real Art CNC
Real Art CNC
by Sameer Ali
Free
💼 Business
(0)
20
CNC Blue
CNC Blue
CNC Blue
CNC GRBL Control via Bluetooth
$2.99

Control your 3-axis CNC machine via Bluetooth using your iOS device. Generate G-code for various shapes and drawings, then send it directly to your Arduino CNC shield.

3-axis CNC control via BluetoothG-code generation for shapes (circle, polygon, star, etc.)Custom drawing to G-code conversion
🔧 Utilities
(4)
paid

FAQ about Cnc Code

Are there free cnc code apps for iPhone?
Yes — 17 of the top cnc code apps we rank are free to download, including CNC Code and G-Code Guru: CNC Machinist Kit.
CNC Code has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 250+ cnc code apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.