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Carly — OBD2 car scanner

Carly — OBD2 car scanner

Diagnose, Code and Service

9.9K ratings
590 reviews
🔧 Utilities
📊 Productivity
Free
In-App Purchases

Details

  • Released
  • Updated
  • October 7, 2011
  • August 27, 2026

Features

Developer

Carly Solutions GmbH Co KG
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Carly — OBD2 car scanner screenshot #1 for iPhone
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Carly — OBD2 car scanner screenshot #7 for iPhone
Carly — OBD2 car scanner screenshot #8 for iPhone
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About

This app allows car owners to diagnose issues, monitor live engine data, and perform maintenance tasks. It offers advanced features like coding hidden car functions and detecting mileage manipulation, helping users save on repairs and understand their vehicle's health.

✓Read and clear fault codes from all ECUs
✓Monitor engine live data parameters
✓Step-by-step car repair guides
✓Perform car maintenance and reset service intervals
✓Check starter battery condition
✓Code and unlock hidden car features
✓Detect mileage manipulation
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What users say

Summarized from real user reviews of Carly. Based on 9.9K reviews and a 4.6/5 average, it highlights the 4 positives and 4 negatives reviewers mention most about this Productivity app.

Positive things

  • 👍Great customer service
  • 🚀Lots of functionality
  • 💡Useful diagnostic and coding features
  • 🔒Secure and reliable

Negative things

  • 💰Expensive subscription model
  • 🐛Connectivity and compatibility issues
  • 🔍Limited functionality for some vehicles
  • 📚Confusing or lacking documentation
See all reviews
+1

What's New in Carly

41.26.082615

August 27, 2026

- All Carly brands in ONE app - New app dashboard design & easier access to features, please check it out! - Improved diagnostics for VW, Audi, Seat and Skoda models between 2015 and 2022 - Extended repair & maintenance guides for all available vehicles in Carly starting 2007

More

Subscription plans

VW/Audi/Seat/Skoda + Mechanic

All Functions + Smart Mechanic for VAG cars

$89.991 Year
How to cancel Carly subscription ⁉️

User reviews

Most RecentHighest RatedLowest Rated

Nicht wirklich brauchbar.

Hab es mir gekauft da ich mir ein Mercedes gekauft hatte und denn prüfen wollte, es wurden paar Fehler angezeigt aber nur mit Fehler Code ohne Bedeutung also selbst weiter Sachen. Dann hab ich es noch mal mit Profile Diagnose auslesen lassen und da waren sehr viel mehr Fehler vorhanden als das 4 fache mehr also kann man sich nicht mal dadrauf verlassen und vor allem nicht bei Gebraucht Wagen Kauf. War die tage unterwegs und 2 Pannenfahrzeuge angetroffen, da ich denn Adapter im Auto liegen hatte, schnell Abo reaktiviert und angeschlossen, beim Auto wurden denke alle Fehlermeldungen angezeigt die das Auto anzeigen kann, aber die Diagnose hat 0 Fehler gefunden und Auto im Top Zustand angezeigt, beim zweiten Fahrzeug nur 2 Fehler Bremslicht und so, aber die anderen kritischen Fehler wurden nicht angezeigt wie „Störung Bremskraftverstärker“ wurden nicht gefunden/Angezeigt. Ich hab es jetzt bei glaub ich 10 Fahrzeugen getestet und bei keinem hat es alle Fehler angezeigt, nicht mal bei VAG Fahrzeugen. Dann auch Verbindungsabbrüche, aber damit hätte ich leben können wenn es wenigstens alle Fehler finden würde, auch wenn nur denn Fehlercode.
Also muss ich leider Sagen es bei meinen Versuchen total unbrauchbar war und ich es für einen Gebrauchtwagen Kauf auf garkeinen Fall verwenden würde, denn wenn es keine oder nur Defekte Lampen Anzeigt würde es denn Fahrzeug Zustand verfälschen und man würde dadurch nicht genauer hinschauen.
Die zwei Sterne gebe ich wegen der eigentlich Idee, es wär schon Cool wenn man so ein Gerät einfach im Auto liegen haben konnte und im Notfall es einfach nutzen könnte.
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WaleraKWaleraK

Response from developer

Es tut uns leid, dass Ihre Erfahrung nicht Ihren Erwartungen entsprochen hat und Ihnen nicht den erhofften Mehrwert geboten hat. Carly ist bestrebt, auf unserer Website so viele Informationen wie möglich bereitzustellen, damit Kunden klare Erwartungen entwickeln können. Gleichzeitig verstehen wir, dass manche vielleicht andere Produkte bevorzugen, die ihren Bedürfnissen besser entsprechen. Wir wissen die Chance, die Sie Carly gegeben haben, sehr zu schätzen und bedauern, dass Sie uns verlassen.

Lousy support

After countless back and forth and no resolution, a poor review here, the developer responded asking that I open a ticket to the support manager. I open yet another ticket and ……NOTHING. Their responses here are empty promises just like the product
BScarlettBScarlett

Response from developer

We’re sorry that you had a frustrating experience. It seems there might have been a misunderstanding. You can also reach our support here: https://support.mycarly.com/hc/en-us/requests/new?ticket_form_id=360000444960, Include "To Support Manager" in the title, so we can prioritize it. We're confident we can find a solution together.

Deliberately charge you bank £60 with your permission

Worst company ever don’t use them waste of money this is a yearly subscription to use their devices on specific vehicles only not all vehicles
jazubaajazubaa

False advertising!

MyCarly should be removed from the App Store for their deceptive business practices and false advertising. They cannot code any of the features they advertise for BMW G05 and provide zero support. Buy a BimmerCode or anyone else
BScarlettBScarlett

Update log

Can you be more precise what your updating, you have this update log from 1980s man last time ever I’m buying your product again.
Sa786asSa786as
See 585 more reviews

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User experience

🐞

Reported Bugs

3 issues

App crashes or freezes

Bug

Adapter not working as expected

Bug

Inaccurate or misleading diagnostic information

Bug
✨

Requested Features

4 requests

More vehicle support

Feature

Improved user interface

Feature

Offline functionality

Feature

Easier subscription management

Feature

FAQ

What does the Carly app do?

The Carly app, when used with the Carly Universal Scanner, allows you to diagnose your car's issues by reading and clearing fault codes from various electronic control units (ECUs). It also provides live engine data, guides for car repair and maintenance, and the ability to code hidden features.

What are the key features of the Carly app?

Key features include comprehensive diagnostics, monitoring of engine live data, step-by-step repair guides, maintenance functions like service resets, battery health checks, coding hidden features, and mileage manipulation detection. Basic features like OBD diagnostics and emission checks are available for free.

How much does the Carly app cost?

The app offers basic features for free, including OBD diagnostics, live data, and emission checks. Advanced features require a yearly subscription, which can be purchased for an individual car brand or all car brands. The Carly Universal Scanner is a separate hardware purchase.

What cars are compatible with Carly?

The app and scanner work with Audi, BMW, Ford, Lexus, Mercedes, Mini, Opel, Porsche, Renault, Seat, Skoda, Toyota, VW, and almost all other car brands with an OBD2 port. However, the specific features available can vary depending on the car model, build year, hardware, and software.

How can Carly help me save money on car repairs?

Carly can help you save money by enabling you to diagnose problems yourself, understand the severity of issues, and perform many maintenance tasks independently, reducing the need for workshop visits. The repair guides also empower you to fix issues yourself.