OBD Mary OBD2 v1.326 MOD APK (Premium Unlocked)
Updated on August 24, 2026App Info
| App Name | OBD Mary OBD2 |
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| Publisher | TechnoDrive |
| Genre | Auto & Vehicles |
| Size | 15M |
| Version | 1.326 |
| MOD Info | Premium Unlocked |
| Get it On |
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| Requires | android Android 5.1 |
The OBD Mary OBD2 MOD APK provides a comprehensive toolset for vehicle owners and enthusiasts who need deep insight into their car’s performance and health. By unlocking the premium layer of this diagnostic application, users can access advanced scanner features and customizable dashboards that are typically restricted in the standard version. This modified release ensures that all diagnostic modules are ready for use as soon as the app is connected to a compatible ELM327 adapter.
What This MOD Changes
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Premium Unlocked: This modification grants full access to the premium features of the application without requiring additional purchases.
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Advanced diagnostic tools and all dashboard customization options are available from the start.
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Any subscription-based restrictions found in the base version are removed, providing a clean and unrestricted user interface for vehicle monitoring.
Version and Compatibility
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Package name: com.elm.elm327.obd2.eobd.obd.car.scanner.diagnostics.tool.dashboard.doctor.check.engine.torque.speed.trouble.codes.mary
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Version: 1.326 (build 326)
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Minimum Android version: 6.0 (API 23)
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File size: 86 MB
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Package type: Single APK (no OBB or additional data files required)
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Installation note: This file uses a custom digital signature and is not compatible with the version found on the Google Play Store. You cannot install this update over an official copy.
How to Install
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Uninstall any previous versions of the OBD Mary app currently installed on your Android device.
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Open your device settings and navigate to the security or privacy section to enable the installation of apps from unknown sources.
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Download the OBD Mary OBD2 MOD APK file to your internal storage.
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Use a file manager to locate the downloaded APK and tap it to begin the installation process.
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Once the installation is complete, launch the app and grant the necessary permissions for Bluetooth or Wi-Fi to connect to your ELM327 adapter.
How This Compares to the Original Release
The OBD Mary OBD2 MOD APK is built upon the official version 1.326 of the application. The primary difference lies in the availability of premium content; while the original release requires users to pay for full diagnostic capabilities and dashboard layouts, this version includes those features by default. It maintains the same core hardware compatibility and diagnostic protocols as the unmodified release but bypasses the monetization checks.
About OBD Mary OBD2
OBD Mary OBD2 allows users to build custom solutions to monitor health and performance on their vehicles by integrating services that harness information about vehicles. Cars in current automotive industries are, at their core, computers on wheels, and automotive systems are controlled by an abundance of Electronic Control Units (ECU’s). Usually, accessing data stored in those ECU’s costs money and requires specialized equipment located at an automotive service center. OBD Mary disrupts the market by using the OBD-2 port, a low-cost ELM327 adapter, and a user’s mobile device.
OBD Mary OBD2’s products and services target two primary user groups. First, there is the everyday driver. OBD Mary’s ability to read and clear trouble codes is particularly useful to these drivers. Automotive systems log diagnostic trouble codes (DTCs) when a fault is detected by a vehicle. These codes can be read by OBD Mary, and the corresponding code can be translated to an on-screen description of the problem. OBD Mary then prompts the user to retrieve the trouble code prior to going to the service center to identify if the problem is more serious. In addition, it allows the user to confirm if the system has been successfully repaired.
Previously mentioned, Multi-ECU support helps diagnose complex issues in various segments of a vehicle beyond simple error code reading. Many “basic” scan tools communicate with only the primary Engine Control Module (ECM) or Engine Control Unit (ECU). OBD Mary communicates with the ECM or ECU, but offers additional support for the Anti-lock Braking System (ABS), Supplemental Restraint System (SRS/Airbags), and the transmission. This level of support covers the safety and performance of various systems in the vehicle, providing the user with the vehicle’s electronic health.
ODB Mary understands design is as important as functionality and for this reason offers a clean, customizable dashboard and gauge setup. The dashboard can display real-time data for intake air temperature, mass air flow, timing advance, temperatures of catalytic converters, and more. Visualizing complex data in an easily digestible format can help the user understand data points like these without an engineering background.
Lastly, ODB Mary turns a smartphone into an advanced data logger. A trip computer is built into the app and captures parameters to help users analyze their driving habits and assess their vehicle’s efficiency. The app captures data and stores it indefinitely until it is needed. The possibilities with the app are endless as if the user notices a decrease in vehicle performance, they can store data to conduct a comparison in the future.
The platform excels in flexibility. Because the app works with brands that conform to the OBD-2 protocol, it expands its supported vehicles. Whether the vehicle uses a Bluetooth or Wi-Fi adapter, OBD Mary configures a secure connection. The app promotes equipment choice for the best fit, ensuring a reliable assistant for the diagnostics and analysis of vehicle data.
Exploring the synergistic relationship between the hardware and software also provides insight into the software’s utility. The ELM327 adapter converts the perhaps even more complex signals in the Controller Area Network (CAN bus) of the vehicle into a phone readable format. OBD Mary has implemented strategies to minimize latency and has the capability of showing the gauges on the screen in line with the state of the vehicle. RPM and boost pressure are just some of the valuable performance metrics related to vehicle dynamics to which this technology serves a real-time on-demand analysis for the driver.
The app offers so much more than just simple check engine light reading. It is able to retrieve freeze frame data. That data provides a snapshot of a vehicle’s sensor and system data, at the time of a reported fault. In many cases, the description of an error is not enough to explain the root cause of an issue. For cold start and high speed faults, for example, context is key. Fortunately, the app can log engine load data, coolant temperature, and fuel system pressure data. Armed with those logs, and the related fault description, users should be able to diagnose and fix many issues much more quickly.
Fuel economy, and its impact on the environment and the wallet, has the attention of many drivers. This app does a great job reporting average and instantaneous fuel consumption. Having access to instant and average fuel consumption data lets users know how they can change driving habits to improve fuel economy and save money in the future. The app tracks the amount of time a vehicle was driven while idling. The number of trips a car makes and the amount of fuel wasted while the vehicle is idling can be shockingly high. With the data recorded while idling, users can make driving decisions to reduce idling.
Customization of the UI goes beyond aesthetics towards safety and usability. For instance, drivers can push the most salient gauges to the uppermost area of their screen or make high-contrast displays that are easy to read. The app supports multiple variations of display formats including digital value displays, traditional needle gauge displays, and even displays that show how a value changes over time represented by a graph. These graphical displays are quite handy for checking the health of the oxygen sensors, as the sensors should show a particular oscillating pattern when functioning properly.






