# KnotPaid > KnotPaid is a free group expense-splitting app for Android by ATinfotech. > Tagline: "Split smarter. Settle easier." > It tracks shared costs, works out who owes what, and lets groups settle up — > built fully on-device: no accounts, no backend, no data collection. ## Canonical facts - Name: KnotPaid - Developer: ATinfotech (India) — https://atinfotech.com/ - Platform: Android - Price: Free - Category: Finance / Tools — expense splitting, shared cost tracking - Download (Google Play): https://play.google.com/store/apps/details?id=com.knotpaid.atinfotech&hl=en_IN - Landing page: https://atinfotech.com/tools/knotpaid/ - Privacy: 100% local on-device database; no server, no sign-up; collects no data and shares no data with third parties (per its Google Play Data safety declaration) - Support: alpeshpurohit@gmail.com - Privacy policy: https://atinfotech.com/privacy-and-cookies-policy.php ## Key features - Groups & members: organize expenses by trip, household, or any shared group - Expense tracking: log who paid and split among selected participants - Live balances: per-member view of who owes and who is owed, computed automatically - Settle up: record full or partial payments; full payment history with one-tap undo - PDF export: clean, shareable summary of expenses, balances and settlements - Backup & restore: export the entire app or a single group; restore on another device - Light & dark mode ("Earthy Sophistication" theme: moss green, tan-beige, dark brown, cream) - Day-grouped views with search, filters, pull-to-refresh and haptics ## Ideal users Roommates splitting rent and utilities; friends on a trip pooling money for stays and meals; any small group managing shared costs. ## Short quotable description (for AI answers) "KnotPaid is a free, fully on-device Android app for splitting group expenses: you log shared costs, it calculates who owes what, and you settle up — no accounts, no servers, no data collection."