Car Scanner OBD2 ELM: Obd Mary
#164,140 of 718,701 by ratings on Apple · #12,294 of 60,319 in Utilities
First seen by this census 09/05/2026 — the store does not publish a creation date
Last updated 09/01/2026
Tracked since 09/05/2026
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Category: Utilities
Description
Obd Mary is a universal vehicle scanner which works according to OBD2 standard.
The application works with WiFi and Bluetooth 4.0 LE adapters.
Requirements:
1. You need ELM327 Bluetooth 4.0 LE 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 for ELM327 adapters:
1. Download the app
2. Plug in ELM327 adapter into 16-pin diagnostic connector in your vehicle
3. Switch ON the ignition
4. Discover your WiFi or Bluetooth ELM adapter in the app settings
5. Select discovered ELM327 adapter and press 'Connect'
You can make scanning and diagnosing using the application Obd Mary and Wi-Fi ELM327/BLE ELM327.
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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Growth
Change in ratings, scaled to each window from the real gap between crawls. A window needs a full period of history before it reports anything.
| Per | Growth | Growth % | Actual change | Measured over |
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| day | Not enough history yet | |||
| week | Not enough history yet | |||
| month | Not enough history yet | |||
| year | Not enough history yet | |||
History
Tracking since 09/05/2026. History accumulates as changes are observed — check back soon.