Obd Mary – Car Scanner for ELM

Installs

4.3m

Rating

4.8

Rating count

138.9k

Category	Auto & Vehicles
Developer	Hanna Hulevich
Price	Free
First release	3/13/2019 (7 years ago)
Version	1.276
In-app purchases	No
Contains ads	No
Content rating	Rated for 3+
Package name	com.elm.elm327.obd2.eobd.obd.car.scanner.diagnostics.tool.dashboard.doctor.check.engine.torque.speed.trouble.codes.mary

View on Play Store

Core Metrics

Data Breakdown

Date	Rating Count	Average Rating	Installs	Version
10/15/2025	138,902	4.800	4,263,690	1.276
10/14/2025	138,874	4.800	4,262,688	1.276
10/13/2025	138,866	4.803	4,262,688	1.276
10/12/2025	138,850	4.580	4,261,731	1.276
10/11/2025	138,825	4.019	4,260,737	1.276
10/10/2025	138,801	4.019	4,259,630	1.276
10/9/2025	138,776	4.019	4,257,860	1.276
10/8/2025	138,752	4.019	4,256,805	1.276
10/7/2025	138,725	4.800	4,255,977	1.276
10/6/2025	138,700	4.800	4,254,989	1.276
10/5/2025	138,676	4.800	4,253,935	1.276
10/4/2025	138,647	4.310	4,253,058	1.276
10/3/2025	138,625	4.800	4,252,155	1.276
10/2/2025	138,597	4.800	4,251,005	1.276
10/1/2025	138,566	4.603	4,250,117	1.276
9/30/2025	138,533	4.310	4,249,154	1.276
9/29/2025	138,509	4.603	4,248,142	1.276
9/28/2025	138,501	4.580	4,248,142	1.276
9/27/2025	138,479	4.019	4,246,935	1.276
9/26/2025	138,427	4.603	4,245,027	1.276
9/25/2025	138,402	4.603	4,243,939	1.276
9/24/2025	138,371	4.585	4,242,939	1.276
9/23/2025	138,346	4.585	4,241,989	1.276
9/22/2025	138,303	4.583	4,239,508	1.276
9/21/2025	138,274	4.603	4,239,508	1.276
9/20/2025	138,257	4.603	4,238,859	1.276
9/19/2025	138,231	4.603	4,236,915	1.276
9/18/2025	138,218	4.019	4,236,915	1.276
9/17/2025	138,181	4.019	4,236,915	1.276
9/16/2025	138,164	4.580	4,235,836	1.276
9/15/2025	138,149	4.580	4,235,144	1.276
9/14/2025	138,122	4.580	4,233,497	1.274
9/13/2025	138,099	4.580	4,232,450	1.274
9/12/2025	138,083	4.580	4,231,322	1.274
9/11/2025	138,039	4.800	4,229,277	1.274
9/10/2025	138,020	4.627	4,228,972	1.274
9/9/2025	137,987	4.330	4,227,933	1.274
9/8/2025	137,964	4.800	4,226,265	1.274
9/7/2025	137,951	4.019	4,226,265	1.274
9/6/2025	137,931	4.019	4,225,067	1.274
9/5/2025	137,903	4.019	4,223,445	1.274
9/4/2025	137,878	4.019	4,223,445	1.274
9/3/2025	137,847	4.580	4,222,432	1.274
9/2/2025	137,816	4.580	4,221,296	1.274
9/1/2025	137,787	4.580	4,220,472	1.274
8/31/2025	137,760	4.580	4,219,502	1.274
8/30/2025	137,736	4.580	4,218,370	1.274
8/29/2025	137,707	4.580	4,217,495	1.274
8/28/2025	137,669	4.580	4,215,305	1.274
8/27/2025	137,638	4.580	4,214,384	1.274
8/26/2025	137,604	4.580	4,214,384	1.274
8/25/2025	137,576	4.580	4,213,399	1.274
8/24/2025	137,535	4.580	4,212,775	1.274
8/23/2025	137,513	4.580	4,211,235	1.274
8/22/2025	137,488	4.580	4,210,246	1.274
8/21/2025	137,463	4.580	4,209,070	1.274
8/20/2025	137,435	4.580	4,206,570	1.274
8/19/2025	137,414	4.580	4,206,570	1.274
8/18/2025	137,369	4.580	4,205,340	1.274
8/17/2025	137,338	4.580	4,203,873	1.274
8/16/2025	137,309	4.580	4,202,901	1.274
8/15/2025	137,282	4.580	4,201,776	1.274
8/14/2025	137,264	4.580	4,200,737	1.274
8/13/2025	137,231	4.580	4,199,242	1.274
8/12/2025	137,183	4.580	4,198,229	1.274
8/11/2025	137,154	4.580	4,197,118	1.274
8/10/2025	137,130	4.580	4,195,819	1.274
8/9/2025	137,098	4.580	4,194,385	1.274
8/8/2025	137,076	4.580	4,194,168	1.274
8/7/2025	137,042	4.580	4,192,095	1.273
8/6/2025	137,015	4.580	4,191,179	1.273
8/5/2025	136,982	4.580	4,190,019	1.273
8/4/2025	136,949	4.580	4,188,918	1.273
8/3/2025	136,912	4.580	4,187,651	1.273
8/2/2025	136,876	4.580	4,186,497	1.273
8/1/2025	136,839	4.580	4,185,308	1.273
7/31/2025	136,809	4.580	4,183,270	1.273
7/30/2025	136,771	4.580	4,183,270	1.273
7/29/2025	136,733	4.580	4,181,773	1.273
7/28/2025	136,690	4.580	4,181,103	1.273
7/27/2025	136,662	4.580	4,179,930	1.273
7/26/2025	136,634	4.580	4,178,744	1.273
7/25/2025	136,603	4.580	4,177,613	1.273
7/24/2025	136,569	4.580	4,176,616	1.273
7/23/2025	136,538	4.580	4,175,536	1.273
7/22/2025	136,503	4.580	4,174,606	1.273
7/21/2025	136,472	4.580	4,173,707	1.273
7/20/2025	136,431	4.580	4,172,684	1.273
7/19/2025	136,396	4.059	4,171,574	1.273
7/18/2025	136,366	4.059	4,170,562	1.273
7/17/2025	136,346	4.059	4,169,523	1.273
7/16/2025	136,321	4.600	4,168,678	1.273
7/15/2025	136,291	4.600	4,167,650	1.273
7/14/2025	136,277	4.600	4,166,357	1.272
7/13/2025	136,253	4.600	4,165,331	1.272
7/12/2025	136,227	4.600	4,164,108	1.272
7/11/2025	136,201	4.040	4,163,337	1.272
7/10/2025	136,175	4.040	4,162,627	1.272
7/9/2025	136,140	4.059	4,160,559	1.267
7/8/2025	136,097	4.059	4,160,559	1.267

Details

Obd Mary is a  EOBD \ OBD-2 car diagnostic scanner, gauge dashboard and trip computer with a number of cool features.

With our OBD2 Car Scanner OBD Mary it is possible not only read and clear OBD-2 Trouble Codes but also make diagnostics for different vehicle ECU like: ABS, SRS, Airbag, HVAC and etc. 

Our Car Scanner OBD Mary supports brands like: Acura, Alfa Romeo, Alpina, Audi, BMW, BYD, Buick, Cadillac, Changan, Chery, Chevrolet, Chrysler, Citroen, Dacia, Daewoo, Daihatsu, Daimler, Datsun, Dodge, DS, Exeed, Fiat, Ford, Geely, General Motors, Genesis, GMC, Great Wall,  Haval, Holden, Honda, Hummer, Hyundai, Infiniti, ISUZU, JAC, Jaguar, Jeep, JMC, Kia, KTM, Lada, , Lancia, Land Rover, Lexus, Lifan, Lincoln, Lotus, Mahindra, Mazda, McLaren, Mercedes-Benz, Mercury, MG, Mini, Mitsubishi,  Nissan, Opel, Peugeot,  Pontiac, Porsche, Proton, RAM, Range Rover, Ravon, Renault, Rivian, Rolls-Royce, Rover, Saab, Samsung, Scion, Seat, Skoda, Smart, SsangYong, Subaru, Suzuki, Toyota, Vauxhall, Volkswagen, Volvo

Attention!!! 
1. You need ELM327 Bluetooth or Wi-Fi adapter to connect to a vehicle using this application.
2. Your vehicle can contain some ECUs (electronic control modules), so don't forget to check all ECUs.
3. ELM adapters version 2.1 are often can be corrupted, so try to choose version 1.5 if you have a chose.


Quick start guide
1. Download the app
2. Plug in ELM327 adapter into 16-pin diagnostic connector in your vehicle
3. Switch ON ignition
4. Discover your Bluetooth ELM adapter in your Android device settings
5. Select discovered ELM327 adapter in the app settings
6. Try to connect!

Diagnostics
You can read and reset trouble codes from OBD2 compliant control units. Can see fault codes descriptions and search it in internet just by click. Freeze-frame data can be read in case if DTC is activated. You can read live parameters like speed, RPM, MAF, coolant temperature.

Dashboard
Use our OBD2 app as a gauge dashboard. Create your own set of gauges. You can customize approximately all gauge parameters(sizes, colors, positions of stroke, arrow, texts, labels, backgrounds and etc.) Resize and move gauge in edit mode to desired place just using your fingers. Enjoy your style!

Trip computer
Track your trips with our Obd Mary app and ELM327 adapter. Keep the adapter connected all the time inside your car and the app connects to your vehicle and log your trip data:
 - trip time;
 - fuel consumption;
 - fuel cost;
 - average speed;
 - max speed and etc.

Full version
Buy the full version of the Obd Mary app and get full functionality without an ads. When you are buying the app you support future development and support. Thank you.

The application uses foreground service to have a constant connection with the Wi-Fi or Bluetooth ELM adapter which is used for communication with the modern vehicles when the app is in foregaround or in background state. The app collects data from a vehicle and store it locally to provide user information about average fuel rate, average speed, mileage, trip time and other statistics params even when the app is in a background state.

Contact developer:  Fill free to contact us using appropriate button on the main app screen. Use email channel.

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