
About
This AI-powered tool assists professional technicians with diagnostics for HVAC, appliances, electrical, and plumbing issues. It offers step-by-step troubleshooting, parts lookup, and even nameplate scanning to identify equipment and potential problems.
What's New in TechAssist Pro
1.0.11
November 4, 2026
Minor updates and performance improvements.
Subscriptions & In-App Purchases
TechAssist Pro
100 AI diagnostic sessions per month.
User reviews
Developer apps
FAQ
What is TechAssist Pro?
TechAssist Pro is an AI-powered diagnostic tool designed for professional technicians. It helps diagnose issues with HVAC systems, appliances, electrical panels, and plumbing, providing step-by-step repair procedures and safety warnings.
How does TechAssist Pro use AI?
The app uses AI, powered by Claude Fable 5, to analyze images of equipment, read nameplates, and understand described problems. It then provides relevant diagnostic information and troubleshooting steps.
Can I use TechAssist Pro without an internet connection?
Yes, TechAssist Pro works offline for its fundamental features, which is useful when working in areas with no signal, such as basements.
What devices does TechAssist Pro support?
TechAssist Pro is available on iPhone, iPad, and Apple Watch, allowing for versatile use in the field.
How much does TechAssist Pro cost?
TechAssist Pro is available through a subscription model with monthly ($19.99) and annual ($199.99) plans. The app is free to download, but a subscription is required for full functionality.
How do I manage my TechAssist Pro subscription?
You can manage or cancel your subscription within your Apple ID account settings after purchase. Auto-renewal can be turned off at least 24 hours before the current period ends.
Does TechAssist Pro have ads?
No, TechAssist Pro does not contain advertisements. It is a subscription-based service.
What kind of technical fields does TechAssist Pro cover?
TechAssist Pro covers a broad range of technical fields including HVAC (heating, cooling, airflow), electrical systems (panels, circuits), plumbing (leaks, water heaters), and diagnostics for major appliance brands.





