KDIAG

by Shenzhen Jiawei Hengxin Technology Co.,Ltd · Tools · Free

On Google Play since February 2025 · Data updated 2026-10-26

Google Play

KDIAG is made and published by Shenzhen Jiawei Hengxin Technology Co.,Ltd. AppBrain is an independent app data site and isn't affiliated with Shenzhen Jiawei Hengxin Technology Co.,Ltd. The app name, icon, screenshots and description belong to Shenzhen Jiawei Hengxin Technology Co.,Ltd and are shown as published on Google Play.

AppBrain's verdict

Rating on Google Play: 3.74; 634 ratings
Installs: 100 thousand
Last updated: October 15, 2026
Ads: No ads
Size: 74.3 MB

KDIAG has 100 thousand installs. Users are divided: 3.7 stars from 634 ratings.

User feedback

Ratings and reviews on Google Play

Comments on KDIAG for Android

★★★★★ Сотир Сотиров · Dec 4, 2024

App works perfect! I have problem with the Opel brand with professional diagnostic. I can't connect to Opel Astra J.

★★★★☆ Lateef Olayinka · Jul 13, 2025

I think some softwares need to be updated. I can't scan Transmission system of Toyota cars. Transmission function is not there at all. Try to work on Peugeot vehicles too.

★★★★★ Heulwen Van Wyk · Oct 31, 2025

Very good app but please add the Alfa Romeo because I see there is Bugatti but no alfa?

★★★★☆ Maryan Stoykov · Jan 24, 2026

The Bluetooth device is great but the app lacks the ability to log data and export it to a .csv file for example. It works great with Car Scanner but Car Scanner does not read all PIDs at least on a 2011 Hyundai I30 1.6 CRDI. Can a logging option be added?

★★★★★ sarufa sukope · Dec 5, 2024

Very good and quick to connect unlike others. But need to upgrade more functions for Asian made vehicles. Nissan, Toyota , Mazda Isuzu and Ford Just to name a few.

★★★★★ Marietta Nelson · Jan 3, 2026

KONNWEI has three apps for their BT scan tool! KDIG and MAXOBD2 require the BT dongle to be plugged into the vehicle's OBD2 port. Both apps require permissions to be set manually within the app settings menu to work. KDIG app instructions say user should not connect BT dongle to phone BT and should use function to connect BT within the app!

★☆☆☆☆ Sandor · May 8, 2025

Had a lot of hope for KDIG, but it can read neither of my cars. It only shows basic info like every cheap obd does. Unfortunately KDIG OBD is useless, same as the app.

★☆☆☆☆ R K · Feb 20, 2025

Most functions do not work with KDIG scanner.

★☆☆☆☆ A Forrest · Nov 17, 2025

Glad I didn't buy the obd2 connector! The KDIG OBD2 on AliExpress had pictures of it having holden protocols, it doesn't even have holden in it.

★★☆☆☆ محمد ظافر · Dec 22, 2025

I've bought it for my InfinitiFX35 2007, but unfortunately, it's too poor for Nissan x Infinite cars. It doesn't even have Autosearch by VIN number for it. It is great with Kia bad with Japanese cars, I guess, because I've tried to use with Mitsubishi, and it won't even read the VIN. It keeps saying that it is out of value, for Korea car it good for Japanese is not the one to GO with.

Google Play Rating history and histogram

370

140

Store listing

By Shenzhen Jiawei Hengxin Technology Co.,Ltd, from Google Play

“KDIAG is an advanced diagnostic development tool”

Screenshots by Shenzhen Jiawei Hengxin Technology Co.,Ltd, from the Google Play listing

Description by Shenzhen Jiawei Hengxin Technology Co.,Ltd Written by the developer, not by AppBrain. Click to read.

KDIAG is an app for diagnosing vehicles. It uses advanced hardware and software technology to send data to the car via Bluetooth, collect fault codes, data streams and other information on the vehicle, and provide better data analysis for vehicle maintenance.

Recent changes:
Optimize applications

Official page on Google Play

Safety and technology

Found in the app by AppBrain

Ads: No ads
Price: Free
Libraries: ?
App size: 74.3 MB
Content rating: Medium

Technologies used by KDIAG

22 permissions

Subscribe to see full permission and library details

Releases

Updates seen on Google Play

Version: 1.6.25
Launched: February 2025

Oct 15, 2026UpdateVersion 1.6.25
Oct 11, 2026Installs100,000+ installs
Sep 23, 2026UpdateVersion 1.6.24
Aug 27, 2026UpdateVersion 1.6.23
Aug 17, 2026UpdateVersion 1.6.22

Show all changes Show fewer

Alternatives

Similar apps and more from Shenzhen Jiawei Hengxin Technology Co.,Ltd

Alternatives to KDIAG

Installs

Tracked by AppBrain

Last 30 days: 5.2 thousand
Per day: 170; 30-day average
Play install range: 100+ thousand
Launched: February 2025

Installs over time

KDIAG has been installed 100 thousand times. Over the past 30 days, it averaged 170 installs per day.

Rankings

Google Play top charts

Google Play Rankings for KDIAG

This app is not ranked

About the app and developer

About KDIAG

KDIAG is a tools app developed by Shenzhen Jiawei Hengxin Technology Co.,Ltd.

Install Statistics

KDIAG has been installed 100 thousand times. In the last 30 days, the app was installed 5.2 thousand times.

User Ratings

KDIAG is rated 3.74 out of 5 stars. The rating is based on 630 ratings.

App Information

KDIAG is freely available from Google Play. The app size is 74.29 MB. The latest version available is 1.6.25. The last update was on October 15, 2026.

Technical Requirements

The app has a content rating of Medium Maturity. The app has been available on Google Play since February 2025.

App Performance Report

Get a detailed PDF report for KDIAG with download trends, rating history, and key performance statistics — useful for competitive research or tracking your own app. Learn more

Get PDF Report — $29

Developer information for Shenzhen Jiawei Hengxin Technology Co.,Ltd

Shenzhen Jiawei Hengxin Technology Co.,Ltd

as328826735@gmail.com

Legal name:

Address:

Phone number:

Are you the developer of this app? Join us for free to see more information about your app and learn how we can help you promote and earn money with your app.

I'm the developer of this app

Top new apps Today's trending apps Popular Tools Apps Apps other people are watching Price drops on Google Play

AppBrain is an app data site, we track rankings, ratings, installs for all apps and games on Google Play and the App Store. AppBrain doesn't host app files or APKs, all install links go directly to the official store. All trademarks are owned by their respective owners. As an Amazon Associate AppBrain earns from qualifying purchases.

More apps