# Otto - AI Car Expert — AI Mechanic & OBD-II Scanner > AI-powered car mechanic and OBD-II scanner for diagnostics and repair advice. (iPhone/iPad app by MEDTEC COMPANY LIMITED.) - Source: https://appshunter.io/ios/app/otto-ai-car-expert/id6757885270 (this page in markdown: same URL + `.md`) - Developer: [MEDTEC COMPANY LIMITED](https://appshunter.io/developer/871088795) - Category: Utilities, Lifestyle - Price: Free - Rating: 5.00/5 from 1 App Store ratings - Age rating: 4+ - Requires: iOS 17.0 · 20 MB - Languages: English - Released: 2026-01-26 - Data updated: 2026-07-25 - Monetization: freemium - User reviews in markdown: https://appshunter.io/ios/app/otto-ai-car-expert/id6757885270/reviews.md ## What is Otto? Stop paying $150+ for dealer diagnostics. Otto is an AI mechanic trained on your car's actual manual — not generic internet advice. Get accurate, model-specific answers in seconds. NEW: OBD-II LIVE DIAGNOSTICS Connect any Bluetooth OBD-II adapter to your car. Otto reads engine codes (DTCs), shows live sensor data in a real-time dashboard, and gives you AI-powered diagnosis — explaining what's wrong and how to fix it, with citations from your vehicle's service manual. 30+ SUPPORTED BRANDS — GAS, HYBRID & ELECTRIC Mercedes-Benz, BMW, Audi, Toyota, Honda, Ford, Nissan, Chevrolet, Hyundai, Kia, Volkswagen, Tesla, Rivian, Subaru, Mazda, and more. Gas, hybrid, and electric vehicles all supported. Each vehicle gets its own AI agent trained on that model's actual owner manual and technical specs. ASK LIKE YOU'D ASK A MECHANIC "What oil does my 2020 Camry take?" "Why is my check engine light on?" "How do I reset the service indicator on my RAV4?" Otto understands your exact year, make, and model - and answers with manual references, not guesswork. SAVE MONEY ON REPAIRS Skip the $150 dealer diagnostic fee. Otto reads warning lights, explains error codes, and tells you what's urgent vs. what can wait — so you walk into the shop informed, not guessing. WHAT OTTO CAN DO - Connect OBD-II adapter and read live engine data - Diagnose warning lights, error codes, and DTCs with AI - Walk you through step-by-step repairs - Generate maintenance plans based on your mileage and driving style - Track service history for every car in your garage - Export conversations as PDF for your mechanic - Send maintenance reminders so you never miss a service YOUR GARAGE, YOUR CARS Add every vehicle you own. Otto remembers each one - switch between them instantly and get advice specific to that car. Upload photos, track mileage, and keep full service records. BUILT FOR PRIVACY Your conversations stay on your device. Sign in with Apple for a seamless, private account. No data sold. No ads. Ever. FLEXIBLE PLANS - Free: 10 questions per day - Personal ($4.99/mo): 20 questions per day + priority responses - Garage ($9.99/mo): 100 questions per day + all vehicles Available in English, French, Spanish, Vietnamese, Chinese, Japanese, and Korean. Note: Otto provides information for educational purposes. Always consult a qualified technician for safety-related repairs. Terms of Use: https://otto.mimmiu.ca/terms.html Privacy Policy: https://otto.mimmiu.ca/privacy.html ## Key features - AI-powered car diagnostics - OBD-II live data and code reading - Model-specific repair guidance - Maintenance planning and reminders - Multi-vehicle management - Exportable repair logs ## Frequently asked questions about Otto ### What is Otto's free plan? The free plan for Otto allows users to ask up to 10 questions per day. This provides a good starting point for basic inquiries and understanding the app's capabilities. ### Does Otto have ads? No, Otto is ad-free. The developers have stated that the app contains no advertisements, ensuring an uninterrupted user experience. ### How much does Otto cost? Otto offers a free tier with limited questions. Paid plans include Personal at $4.99/month for more questions and priority responses, and Garage at $9.99/month for extensive questions and support for all vehicles. ### What cars does Otto support? Otto supports over 30 car brands, including Mercedes-Benz, BMW, Audi, Toyota, Honda, Ford, Nissan, Chevrolet, Hyundai, Kia, Volkswagen, Tesla, Rivian, Subaru, Mazda, and more. It supports gas, hybrid, and electric vehicles. ### How often is Otto updated? The latest version of Otto is 2.4.0, and it was last updated on April 10, 2026. This indicates a relatively active development cycle for the application. ### Is Otto safe for all ages? Otto has an age rating of 4+. While the app provides information for educational purposes, it's important to consult a qualified technician for safety-related repairs. ### What languages does Otto support? Otto is available in English, French, Spanish, Vietnamese, Chinese, Japanese, and Korean, making it accessible to a global user base. ### Can I use Otto offline? The provided information does not specify offline functionality for Otto. However, features like OBD-II diagnostics and AI-powered advice likely require an internet connection. ## Version history (last 5 releases) ### 2.4.0 — 2026-04-10 Otto 2.4.0 — Bluetooth OBD-II + Accurate Diagnostics BLUETOOTH ADAPTER SUPPORT Otto now works with Bluetooth Low Energy (BLE) OBD-II adapters in addition to WiFi — plug in whatever adapter you have and Otto connects automatically. AUTO-DETECTION Otto tries WiFi first, then switches to Bluetooth if needed. No settings to change — it just works. ACCURATE TROUBLE CODES Fixed a bug that caused garbled codes on some adapters. SmartScan now reads the exact codes from your car's computer, every time. YOUR AI MECHANIC FOR ANY CAR 30+ brands supported. Multi-vehicle garage. 7 languages. One subscription. ### 2.3.5 — 2026-03-16 Otto 2.3.4 — Easier Vehicle Setup + UX Improvements SIMPLER ADD VEHICLE FLOW Two clear options when adding your first car: Search by Make & Model or Scan VIN Barcode. No more confusing menus. VIN INPUT FIELD You can now enter your VIN directly when adding a vehicle — found on your driver door jamb or windshield. 17-character validation included. FIND CHAT FASTER New users now see a helpful hint in the garage showing how to start a conversation with Otto about their vehicle. YOUR AI MECHANIC FOR ANY CAR Ask Otto anything — diagnostics, maintenance, repair costs, how-to guides. Backed by official manufacturer documentation with citations. 30+ CAR BRANDS SUPPORTED Mercedes, BMW, Audi, Toyota, Honda, Ford, Tesla, and many more. Multi-vehicle garage under one subscription. Available in 7 languages: English, French, Spanish, Vietnamese, Chinese, Japanese, and Korean. ### 2.3.4 — 2026-03-06 Otto 2.3.4 — Easier Vehicle Setup + UX Improvements SIMPLER ADD VEHICLE FLOW Two clear options when adding your first car: Search by Make & Model or Scan VIN Barcode. No more confusing menus. VIN INPUT FIELD You can now enter your VIN directly when adding a vehicle — found on your driver door jamb or windshield. 17-character validation included. FIND CHAT FASTER New users now see a helpful hint in the garage showing how to start a conversation with Otto about their vehicle. YOUR AI MECHANIC FOR ANY CAR Ask Otto anything — diagnostics, maintenance, repair costs, how-to guides. Backed by official manufacturer documentation with citations. 30+ CAR BRANDS SUPPORTED Mercedes, BMW, Audi, Toyota, Honda, Ford, Tesla, and many more. Multi-vehicle garage under one subscription. Available in 7 languages: English, French, Spanish, Vietnamese, Chinese, Japanese, and Korean. ### 2.3.3 — 2026-03-05 Otto 2.3.3 — Smarter OBD Diagnostics + Performance Boost AI-POWERED TROUBLE CODE ANALYSIS Otto now explains every engine code using AI, specific to your exact vehicle. No more generic descriptions — get real answers backed by your car's service manual. SMOOTHER LIVE GAUGES Redesigned dashboard rendering for buttery-smooth gauge animations. Live data charts update faster with zero lag. SMART CONNECTION HANDLING Otto now detects when your OBD adapter disconnects and automatically reconnects. Stale data warnings keep you informed in real time. YOUR AI MECHANIC FOR ANY CAR Ask Otto anything — diagnostics, maintenance, repair costs, how-to guides. Backed by official manufacturer documentation with citations. 30+ CAR BRANDS SUPPORTED Mercedes, BMW, Audi, Toyota, Honda, Ford, Tesla, and many more. Multi-vehicle garage under one subscription. Available in 7 languages: English, French, Spanish, Vietnamese, Chinese, Japanese, and Korean. ### 2.3.2 — 2026-02-25 Otto 2.3.2 — OBD-II Smart Diagnostics are here. NEW: OBD-II LIVE DIAGNOSTICS Connect any Bluetooth OBD-II adapter to your car. Read engine codes, see live sensor data, and get AI-powered diagnosis — Otto explains what's wrong and how to fix it, backed by your vehicle's service manual. LIGHTNING-FAST AI ENGINE Otto's AI has been completely upgraded. Get expert answers about your car up to 5x faster than before. Same accuracy, same citations from your vehicle's manual — just way faster. YOUR AI MECHANIC FOR ANY CAR Ask Otto anything about your vehicle — diagnostics, maintenance schedules, repair costs, how-to guides. Backed by official manufacturer documentation with page-level citations. SMART DIAGNOSTIC CARDS Interactive visual cards for diagnostics, cost estimates, step-by-step repair guides, health reports, and maintenance plans. Save any card as a document to your vehicle profile. 30+ CAR BRANDS SUPPORTED Mercedes, BMW, Audi, Toyota, Honda, Ford, Tesla, and many more. Gas, hybrid, and electric vehicles. Multi-vehicle garage under one subscription. Available in 7 languages: English, French, Spanish, Vietnamese, Chinese, Japanese, and Korean. ## More apps by MEDTEC COMPANY LIMITED - [Flappy Bat Halloween](https://appshunter.io/ios/app/flappy-bat-halloween/id1050449166) - [BacsiOi - Bác Sĩ Tại Nhà](https://appshunter.io/ios/app/bacsioi-bac-si-tai-nha/id6446204814) - [FamilyWise - Kids Activity](https://appshunter.io/ios/app/familywise-kids-activity/id6747621939) All apps by MEDTEC COMPANY LIMITED: https://appshunter.io/developer/871088795 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-25.*