Sundry — Split Bills & Expense

Split bills without the awkward math — and without an account. Sundry is the private, offline expense splitter for trips, roommates, dinners, and any shared cost. No signup, no email, no internet required. Your data stays on your device, period. WHY YOU'LL LOVE SUNDRY No account, ever Open the app and start splitting. No email, no password, no friends to invite. Perfect for one-off dinners and last-minute trips. Works fully offline On a plane, on a mountain, abroad with no data — Sundry works everywhere. Everything is stored locally on your phone. Four ways to split, fairly Split equally, by exact amounts, by percentages, or by shares/weights. Live validation makes sure every split adds up to the penny. Settle up the smart way Sundry calculates the minimum number of payments so your group settles with the fewest transfers. See clear "who pays whom" breakdowns at a glance. Built for real life - Trips & vacations — hotels, rides, meals, activities - Roommates — rent, utilities, groceries, wifi - Dinners & nights out — split the check in seconds - Couples & families — shared everyday spending - Events & teams — group budgets and shared purchases FEATURES - Unlimited groups and members — names only, no accounts - Multiple currencies per group - Categories, dates, and notes for every expense - Running balances and per-person ledgers - Optimized settle-up with minimal transactions - Share a clean summary as text or image - Export and import your groups as a backup (JSON) - 6 languages: English, Spanish, French, Italian, German, Portuguese - Beautiful, fast, ad-supported and free PRIVATE BY DESIGN We don't ask for an account because we don't want your data. Everything lives on your device. No cloud, no tracking of your expenses, no strings. Download Sundry and split your next bill the easy way.