TripLock is a zero-login group trip planner built for WhatsApp. Stop chasing friends across messy chat threads before booking! • Anti-Flake RSVP Locks: Set a countdown cutoff. Headcount locks before you book Airbnb or villas. • Smart Debt Settlement: Minimal transfers with ready-to-share WhatsApp summaries. • Shared Daily Itinerary: Times, notes, and Google Maps links in one place. • 100% Free & Zero Login: No app downloads, accounts, or passwords for anyone.