Twintrail

One person quits on day four. Two people keep going. Twintrail is a habit tracker for two: couples, partners, long-distance couples, best friends and siblings — turn a habit into a promise between two people. Pair with your partner, check in on the same day, and grow a shared streak together. If either of you misses a day, the shared streak resets — and you start over, together. PAIR UP · KEEP EACH OTHER GOING · PAIR UP — couple, brothers, sisters, best friends or partners: five relationship types, each with its own palette and celebration effect · SHARED STREAK — it only counts up when BOTH of you check in · GLOBAL LEADERBOARD — ranked by streak, alongside everyone else · SHARED CALENDAR — see both of your check-ins at a glance · INSTANT NUDGES — get notified the moment your partner checks in · MISSED-DAY NUDGE — your partner checked in but you haven't? A friendly local reminder…