The failure everyone has experienced
You fly, and the accountability app calls in the middle of the night — or worse, marks a day missed because its idea of midnight passed while you were in the air. One bad trip is enough to make people turn the whole thing off, and turning it off is how streaks really die.
Streaks roll over on your midnight
Day boundaries are computed in your timezone. A task finished at 11pm counts for that day, and nothing resets underneath you because a server somewhere else already ticked over.
Calls and texts follow you
Change timezone and your schedule comes with you. Your morning call stays a morning call. There is no re-configuring and no separate travel mode to remember to switch on — which matters, because remembering to switch things on is the thing this product exists to avoid.
Quiet by design
This is the feature you should never notice. It earns its place by removing the reason people churn after a trip, not by asking anything of you.