Pockettech HVAC vs PlainAuto

PocketTech puts two powerful diagnostic tools in your pocket — AI-powered analysis and a real community of HVAC professionals. Whether you're a seasoned technician or a homeowner trying to understand what's wrong with your system, PocketTech gives you answers fast. AI DIAGNOSIS Describe your problem, share a photo, and get step-by-step diagnostic guidance instantly. Our AI is trained to think like an HVAC technician — it asks the right follow-up questions, identifies likely causes, and walks you through the fix. Save your diagnostic sessions and pick up where you left off. COMMUNITY FIELD FIXES Real fixes from real techs. Browse solutions posted by HVAC professionals from the field, ask questions, and share your own wins. When the AI gives you an answer, the community can back it up — or catch what the AI missed. FREE FEATURES - 5 AI diagnostic messages per day - Full access to the community forum - Browse and search field fixes POCKETTECH PRO - 150 AI messages per day - Unlimited photos in AI chat - Save and revisit diagnostic sessions - Chat history preserved across sessions - Priority AI responses Whether you're diagnosing a refrigerant leak at 2am or trying to figure out why your heat pump isn't defrosting, PocketTech is the tool that works as hard as you do. $12.99/month or $99/year. Cancel anytime. Terms of Use: https://pockettech1.github.io/pockettech/terms-of-service

PlainAuto explains your car — and the shop — in plain language. Whether you're a driver who wants to understand what that warning light means, or a technician who needs a quick torque spec, PlainAuto has you covered. CAR OWNER MODE • Warning Lights — what every dashboard light means, color-coded by urgency • Emergency Guide — flat tire, dead battery, overheating, fluid leaks, and more • DIY Repair Guides — step-by-step with tool lists and difficulty ratings • Maintenance Schedule — know exactly what's due and when • Cost Estimator — typical repair costs so you're never caught off guard • Mechanic Visit Prep — questions to ask, upsells to decline, your rights • Service History Log — track all maintenance, repairs, and costs over time • Seasonal Prep — winterizing, summer prep, pre-road-trip checklists • Fluids Guide — engine oil, coolant, brake fluid, transmission, and more • Buying & Selling Guide — pre-purchase inspection, trade-in, private sale tips MECHANIC / TECH MODE • OBD-II Code Library — 500+ codes with plain-language causes and fixes • Torque Spec Database — lug nuts, head bolts, drain plugs, suspension, and more • Repair Procedures — step-by-step with special tools and time estimates • Diagnostic Decision Trees — symptom-based troubleshooting sequences • Wiring Color Codes — by manufacturer (GM, Ford, Toyota, Honda, Chrysler) • Customer Explainer Cards — shareable cards that explain repairs in plain terms • Labor Time Estimator — standard labor times for common repairs • Parts Cross-Reference — cross-references across major brands • Fluid Capacities — by make, model, and year WORKS OFFLINE. No account required. No data collected.