DDTSB vs MechNostic

Whether you are servicing or troubleshooting a car, always start by looking up the car in DDTSB! Don't waste valuable time on errors that have already been solved by other workshops. With DDTSB you have access to over 10,000 service bulletins and model-specific troubleshooting instructions. There are 400,000 error codes with explanations and additional information in the form of valuable experiences from others who have experienced the same errors. Workshops all over the world use DDTSB. We are a global community of mechanics who help each other.

MechNostic is an AI-powered vehicle diagnostic assistant built for professional mechanics and technicians. Whether you're diagnosing a fault from symptoms alone or analysing live vehicle data through a compatible OBD2 adapter, MechNostic helps you think like an experienced technician — faster, smarter, and with confidence. Diagnose Smarter, Not Harder When fault codes don't tell the full story, MechNostic combines AI-guided diagnostics with real vehicle data to help you build a structured diagnostic plan and avoid unnecessary parts replacement. AI Diagnostic Assistant MechNostic helps you: • Turn DTCs, symptoms and test results into a clear diagnostic strategy • Follow step-by-step diagnostic checks with explanations of what each test proves • Separate likely root causes from common misdiagnoses • Ask follow-up questions and refine the diagnosis as new evidence becomes available • Stay focused when diagnosing intermittent or complex faults Nostic Connect – OBD2 Vehicle Diagnostics Connect a compatible OBD2 adapter to access vehicle information directly within MechNostic. Features include: • Read and analyse diagnostic trouble codes (DTCs) • View vehicle identification information where supported • Monitor live sensor data and vehicle parameters • Discuss scan results with Nostic Agent for guided diagnostics • Receive AI-powered explanations of fault codes and possible causes Vehicle compatibility and available data may vary by manufacturer, model and OBD2 adapter. Built for Workshop Reality MechNostic is designed around how technicians actually work: quick access to information, practical diagnostic guidance, and clear next steps that remain relevant to the vehicle and fault being investigated. Subscriptions Some features require a subscription. Pricing and availability may vary by region. Payment will be charged to your Apple ID account upon purchase. Subscriptions automatically renew unless cancelled at least 24 hours before the end of the current period. You can manage or cancel your subscription at any time in your Apple ID account settings. Support: https://mechnostic.com/support Website: https://mechnostic.com https://mechnostic.com/terms