Otto - AI Car Expert
AI Mechanic & OBD-II Scanner
About
Get expert car diagnostics and repair advice powered by AI. Connect an OBD-II adapter for live data, understand error codes, and receive model-specific guidance based on your car's manual. Manage multiple vehicles and maintenance schedules.
What's New in Otto
2.4.0
April 10, 2026
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.
MoreDeveloper apps
FAQ
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.