Rex - AI Mechanic

RevMind LLC

In-app purchases

About this app

Bluetooth OBD scanner + Rex, the AI mechanic that explains your codes clearly.

Turn a any Bluetooth OBD adapter (~$40) and your phone or tablet into a full diagnostic toolkit — in a multi-bay shop, on a mobile truck, or in your own driveway.

Connect an adapter, pull live data and trouble codes, and meet Rex: an AI mechanic that's grounded in YOUR vehicle's actual sensor readings and fault codes — not generic forum guesses — and turns them into a clear, ranked plan with the evidence behind every recommendation.

WHY REX AI MECHANIC
• Rex explains the "why," not just the code — grounded in live data, DTCs, and that vehicle's own repair history
• Every AI answer is transparent about its confidence and the evidence behind it
• No $5,000 proprietary scan tool — works with an off-the-shelf Bluetooth OBD-II adapter
• One record follows the vehicle: sessions, codes, and fixes stay attached to it, not trapped in a single scan

WHAT YOU GET
• Live data: fuel trims, O2 sensors, battery voltage, freeze frame, and more
• Full DTC (check-engine-light) workflow with history that stays with the vehicle
• Rex AI chat: ask questions, get a ranked diagnosis with confidence scores and next-check suggestions
• Camera VIN scan + NHTSA recall lookup
• Session records you can reuse at the bay, on a driveway, or at the counter
• Guided specialty tools (e.g. throttle position relearn) with pass/fail readouts

BUILT FOR
• Auto repair shops and technicians who need faster, more consistent bay diagnostics
• Mobile mechanics and owner-operators who need pro-grade tools on the road
• Car owners and DIY enthusiasts who want real answers instead of guessing at a check-engine light

Rex is not a generic chatbot bolted onto a scan tool — it rides along with you, calm and methodical, tied to the data on the vehicle in front of you right now.

AI-generated diagnoses and repair suggestions are a starting point, not a substitute for a qualified mechanic.

Privacy policy: https://revmind-ai.com/privacy
Terms: https://revmind-ai.com/terms
Delete your account: https://revmind-ai.com/delete-account

Category suggestion: Auto & Vehicles
Target audience: Adults — shops, mobile mechanics, and car owners (not for children)
Content rating: Tools (disclose Camera, Microphone, Bluetooth)

Required Console URLs:
Privacy: https://revmind-ai.com/privacy
Terms: https://revmind-ai.com/terms
Delete: https://revmind-ai.com/delete-account

Assets in this folder:
hi-res-icon-512.png → Play Console hi-res icon
hi-res-icon-1024.png → source / alternate
feature-graphic-1024x500.png → Play Console feature graphic
store-listing.txt → this file

Still needed (capture from device/emulator):
Phone screenshots (min 2) — Dashboard, Live Data, Rex chat, Session detail
7-inch / 10-inch tablet screenshots if you list tablet support

Data Safety form (declare these):
• Account info / email (sign-up, Google Sign-In)
• App activity / diagnostics (OTLP telemetry → Grafana Alloy)
• Crash logs (first-party crash reporter)
• Photos / videos (camera VIN + RO photos)
• Audio (Rex voice via ElevenLabs — only while voice is active)
• Device or other IDs (device fingerprint for shop device revoke)
• Bluetooth (OBD adapters; neverForLocation)

Permissions declarations in Play Console:
• Camera — VIN scan and repair-order / inspection photos
• Microphone — Rex voice assistant
• Nearby devices / Bluetooth — OBD adapter connectivity

What’s new

Rex now re-reads the check-engine codes from the vehicle before it diagnoses, and keeps re-reading while the adapter stays connected. It uses the codes on the car right now, not the scan from when you first plugged in.