What's New

This app has been updated by Apple to display the Apple Watch app icon.

Code optimization.

App Description

Dyno Chart is vehicle engine performance evaluation tool, which provides you the information of max power and torque vs RPM. Dyno Chart app uses OBD II interface on your vehicle to collect sensor data and build the chart. Please follow the app instruction for compatibility check before you purchase and unlock the in-app chart function.

The app needs an ELM compatible Wi-Fi or Bluetooth Low Energy (for iPhone4s and later) adapter to work.

You can check Developer WebSite for Adapter Guide: http://www.outdoor-apps.com/enginelink.html

Drop us an email for any suggestions/questions you may have at [email protected]. We will answer.

iPhone Screenshots

(click to enlarge)

Dyno Chart - OBD II Engine Performance Tool screenshot 1 Dyno Chart - OBD II Engine Performance Tool screenshot 2 Dyno Chart - OBD II Engine Performance Tool screenshot 3 Dyno Chart - OBD II Engine Performance Tool screenshot 4

App Changes

  • February 27, 2013 Initial release
  • March 16, 2013 New version 1.1
  • April 06, 2013 New version 1.2
  • September 13, 2013 New version 2.0
  • October 10, 2014 New version 2.1