Speedweaver™. Automated ECU Chiptuning and Diagnostics.

App features include:

• Create, edit and manage your Speedweaver™ Datalogs on the go
• Record Customised Datalogs for your Vehicle with supported OBD Wi-Fi Dongles
• Load up to 9 Parameters into a Custom Live Performance Dashboard.
• View your Datalogs with the hottest viewer on the App Store

Parameter Groups
• Add up to 10 fully customisable OBD Parameters to a group, for quick logs on-the-go. Edit min / max values to your desired limits, and Convert Metric and Imperial units for more efficient, effective Datalogs.
• Check what PIDs your ECU supports before adding them to a group
• Switch/Target different ECUs with ease.

• Read and Clear DTCs with supported OBD Wi-Fi Dongles
• View full Descriptions for DTCs

Acceleration Timers
• Test your Vehicles Performance with Acceleration Timers
• Add up to 3 Entry / Exit Speeds for a Test

Parameter Map View
• View your Recorded OBD Parameters in a Map View
• See Colour based on PID Value at GPS coordinates

Dyno Sync
• Add Trigger point / values for Datalogs
• Sync up with a Dyno for more accurate Datalogs

• View Dyno graphs for our supported Vehicles
• View ECU information for our supported Vehicles
• View Vehicle Lists for ECUs
• View engine codes offline, with instructions and solutions

• Dark and light theme options

What’s New

Version 3.1.1

• Draggable Axes added. Change the order of Axes displayed in the Datalog Viewer
• Draggable Parameters added. Change the order of Params in a Parameter Group
• Grid Toggle added in Datalog Viewer

Ratings and Reviews

4.3 out of 5
6 Ratings

6 Ratings

Chilvers1997 ,


Fantastic, easy to use, revolutionary tuning app with tones of support and features! Highly recommended

arw24horn ,

Great App / Product

Next stage tuning App / Product, fantastic features and easy to use all round!

sheppydoodle ,


Very easy to use and it’s free. Thank you!

App Privacy

The developer, SpeedWeaver, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Linked to You

The following data may be collected and linked to your identity:

  • Contact Info

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Location
  • Contact Info
  • Identifiers
  • Diagnostics

Privacy practices may vary based on, for example, the features you use or your age. Learn More


  • Family Sharing

    Up to six family members will be able to use this app with Family Sharing enabled.

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