I know this depends on location, phone and app, but do you have any experience? Actual reading, compared to tested "real" speed readings.
I have a motorbike with a broken speedo, and since I'm planning to install my phone on the instrument panel on my motorbike, maybe i could use the phone as a speedo(?).
I have a motorbike with a broken speedo, and since I'm planning to install my phone on the instrument panel on my motorbike, maybe i could use the phone as a speedo(?).