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iPhone app Offside Checker download it using ApkOnline.
Would you like to be able to check if that goal was offside or not? Well now you can with Offside Checker easy as this:
1. Add your own image
2. Adjust the first and second lines to match a line on the pitch
3. Move the offside line back and forth to check if player was offside.
Its that easy!,
Get it from Apple Store
Download Offside Checker from ApkOnline.net