Best Cnc Troubleshooting Apps

221+ iOS apps curated and reviewed

4.2 avg rating
20 free apps
Updated June 2026

Looking for free cnc troubleshooting apps? 20 of our 221+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Top Picks for Cnc Troubleshooting

CNC Troubleshooting#1

CNC Troubleshooting by Ven Swaminathan

CNC Alarms & Flowcharts
Editor's Choice
💼 Business
5.0(4 ratings)
Free
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This app helps users troubleshoot CNC machines, PLCs, and robots with FANUC drives. It uses step-by-step flowcharts and YES/NO questions to identify faulty parts, saving on expensive service engineer visits. It supports FANUC and SIEMENS CNC machines, with more knowledge bases to be added.

More Cnc Troubleshooting apps to explore

4
FIXD OBD2 Scanner
FIXD OBD2 Scanner
FIXD OBD2 Scanner
Clear Your Check Engine Light
Free

This app translates your car's diagnostic trouble codes into plain language, helping you understand potential issues and their severity. It provides maintenance reminders and offers advanced features like issue forecasting and emissions pre-checks with a premium subscription.

Translate check engine light codesUnderstand issue severityMaintenance reminders
🔧 Utilities
(26K)
free with in-app purchases
5
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
6
AutoCAD
AutoCAD
AutoCAD
DWG Viewer & Editor
Free

Access and edit CAD drawings on the go with this official application. It provides essential drafting and design tools for creating, updating, and sharing 2D drawings from any device. Collaborate with teams and simplify workflows by accessing files from various cloud storage services.

2D file viewingCreate, edit, and share 2D drawingsOffline work and sync
📊 Productivity
(6.3K)
freemium
7
Bluon HVAC
Bluon HVAC
Bluon HVAC
HVAC Tools
Free

Access a vast database of HVAC models, manuals, and part lists to speed up your work. Utilize an AI-powered troubleshooting tool or connect with experienced technicians for real-time support.

500,000+ HVAC unit databaseManuals and part listsAI troubleshooting tool (MasterMechanic)
🔧 Utilities
(4.4K)
ad-supported
8
Auto Agent
Auto Agent
Auto Agent
by EZ LYNK
Free

Monitor, diagnose, and update your vehicle's software remotely. This powerful tool allows you to view live data, read and clear diagnostic codes, and record data for your technician. Connect directly with your mechanic for remote assistance and software updates, saving you trips to the repair shop.

Display live vehicle dataRead and clear diagnostic trouble codesCreate and playback data recordings
🔧 Utilities
(34K)
free with in-app purchases
9
ThinkDiag+
ThinkDiag+
ThinkDiag+
by THINKCAR INC
Free

This app provides professional-level vehicle diagnostics, offering features like reading/clearing fault codes, data flow analysis, and special maintenance functions. It supports a wide range of car brands and allows users to subscribe to specific diagnostic software. Connects via Bluetooth to your smartphone for intelligent vehicle analysis.

OE-level diagnostic functionsFull OBD II diagnosisSpecial maintenance functions
🔧 Utilities
(4K)
free with in-app purchases
10
The Phillips Machinist
The Phillips Machinist
The Phillips Machinist
by Phillips Corporation
Free

Access essential machine codes, calculators, and practical resources for machinists. Get direct support from engineers and explore a library of machining information. Enhance your productivity and problem-solving on the shop floor.

Haas G & M reference codesError and Alarm CodesCalculator library (Inch/Metric)
📊 Productivity
(394)
free with in-app purchases
11
ServiceTitan Field
ServiceTitan Field
ServiceTitan Field
The go-to tool for technicians
Free

Empower field technicians with comprehensive job details, customer history, and communication logs. Streamline service delivery by creating estimates, recording work with photos, and accepting payments directly in the field. This app ensures seamless, real-time synchronization with office operations, eliminating the need for manual paperwork.

Job history and customer profilesRecorded calls and photosEstimate building in the field
🔧 Utilities
(4K)
free
12
ALLDATA
ALLDATA
ALLDATA
by Alldata LLC
Free

Access comprehensive OEM automotive repair and diagnostic data on your mobile device. Streamline inspections with photo documentation and generate detailed reports. Identify vehicle issues efficiently with built-in diagnostic tools for faster customer approvals and increased productivity.

OEM repair proceduresDiagnostic trouble codes (DTCs)Technical service bulletins (TSBs)
💼 Business
(37)
subscription
13
Sequence :: G-Code editor, CNC
Sequence :: G-Code editor, CNC
Sequence :: G-Code editor, CNC
Machining, CAD Modeling, CAM
Free

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.

G-Code and M-Code editingCNC and lathe machine code supportCommand list for G-Codes and M-Codes
🎨 Graphics & Design
(59)
free with in-app purchases
14
UpKeep Work Order Maintenance
UpKeep Work Order Maintenance
UpKeep Work Order Maintenance
Task Management CMMS for Teams
Free

This app streamlines maintenance operations for teams by digitizing work orders and facilitating real-time communication. Managers can easily assign tasks, track progress, and access equipment history, reducing downtime and improving efficiency.

Digital work order managementReal-time status updatesPhoto and checklist attachments
💼 Business
(234)
free with in-app purchases
15
Thermwood CNC Mobile
Thermwood CNC Mobile
Thermwood CNC Mobile
by Thermwood Corporation
Free
💼 Business
(0)
16
FastCustomer: Fast customer service
FastCustomer: Fast customer service
FastCustomer: Fast customer service
by FastCustomer, Inc.
Free

Avoid long customer service hold times with this app. It navigates phone menus for you and connects you to a live agent, ringing your phone when they're ready. Access support for thousands of companies across various industries.

Navigate phone trees automaticallyConnect to live agentsReceive a call when agent is ready
🌟 Lifestyle
(153)
free with in-app purchases
17
AI Chat Bot - My Assistant
AI Chat Bot - My Assistant
AI Chat Bot - My Assistant
Chatbot helper, text & images
Free

This advanced AI chatbot assists with a wide range of tasks, from casual conversations to complex projects. It offers quick task solutions, personalized expert assistants, image generation, and saves your chat history for easy access.

Open-ended AI conversationsQuick task completionPersonalized AI assistants
🔧 Utilities
(929)
subscription
18
CNC Machinist Calculator
CNC Machinist Calculator
CNC Machinist Calculator
Speed Feed RPM Milling
Free
🔧 Utilities
(0)
19
Cat® Central
Cat® Central
Cat® Central
Find parts, insights & support
Free

This app provides a centralized platform for managing heavy equipment. It offers tools for finding parts, accessing manuals, diagnosing issues, and tracking machine health. Users can also connect with dealers and access support resources.

Personalized tools and service recommendationsAccess operating manuals and maintenance schedulesDiagnose fault codes
💼 Business
(3.2K)
free with in-app purchases
20
G-Code Guru: CNC Machinist Kit
G-Code Guru: CNC Machinist Kit
G-Code Guru: CNC Machinist Kit
by Pawel Dembski
Free
📚 Education
(2)