First app that actually works
Paired on the first try and told me what P0171 actually meant for my car. That’s all I wanted. Used a cheap ELM327 from Amazon. No fighting with settings. Understandable for regular people.
Free
In-App Purchases
About
This app connects to your car's OBD2 adapter to read and explain diagnostic trouble codes in plain language. It provides AI-powered insights into potential issues, repair costs, and live sensor data, helping you understand your vehicle's health.
✓Reads and explains OBD2 fault codes in plain language
✓AI-powered verdict on car issues
✓Live sensor data with AI pattern flagging
✓Code clearing and re-checking functionality
✓History of scans for multiple cars
✓VIN reading via camera or adapter
Show original description
+1
What's New in OBD2 Car Scanner ELM327
1.4.7
November 3, 2026
Bug fixes and improvements.
2
Subscriptions & In-App Purchases
Cavox Premium Monthly
Full access to advanced diagnostics & coding
$14.991 Month
User reviews
FAQ
What is Cavox?
Cavox is a car diagnostic app that connects to an OBD2 adapter to read and explain your car's fault codes in simple terms. It offers AI-powered insights into potential problems, repair cost estimates, and live sensor data.
Does Cavox have ads?
Cavox does not contain advertisements. Its monetization is based on a freemium model with optional premium subscriptions for advanced features.
How much does Cavox cost?
Cavox offers a free version with basic features. Premium features are available through weekly, monthly, or yearly subscriptions, with prices shown in the app before purchase. A 3-day free trial is available for the weekly plan.
What devices does Cavox support?
Cavox is available on iPhone with iOS 18 or later. It requires a compatible ELM327-type OBD2 adapter with Bluetooth LE or Wi-Fi, as Bluetooth Classic adapters are not compatible with iPhone.
How often is Cavox updated?
The latest version of Cavox is 1.4.7, last updated on November 3, 2026. Updates typically include new features, bug fixes, and performance improvements.
What are the premium features in Cavox?
Premium features include AI explanations for each fault code, the ability to clear and re-check codes, all live readings with AI sensor checks, scan history, and support for multiple cars in the garage.
Can Cavox fix my car?
Cavox is a diagnostic aid and does not fix your car. It helps you understand fault codes and potential issues, but it is not a substitute for a professional mechanic and does not guarantee vehicle safety.
What languages does Cavox support?
Cavox is available in English, Russian, Portuguese (Brazil), German, Spanish, French, Arabic, and Ukrainian. Fault code explanations are provided in your chosen app language.
