2 challenges, from 7 reviews on iOS and Android.
Strava
the program keeps stopping in the middle of my hike
Build itA recorder that writes each location fix to disk as it arrives.
Start itA recorder whose only job is not to stop.
Study itHow often does a consumer tracker lose part of a session?
Write itThe run that did not happen because the app stopped.
Reported repeatedly
Strava
Every day I get at least 10 notifications asking to sign up for the premium version
Build itState the charge date and the amount on the screen that starts the trial.
Start itA watcher for trials a person has started and forgotten.
Study itDoes trial framing change whether people cancel in time?
Write itThe free trial that was never free.
Reported repeatedly
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