Cosum: Split Bills & Expenses
iOS app by OGUZHAN OZGOKCE. Finance · OGUZHAN OZGOKCE
- Store rating
- 0 / 5
- Store rating count
- 0
- Download price
- Free to download
- In-app purchases
- Unknown
- Version
- 1.0.4
- Listing last refreshed
- 2026-09-09
View the original store listing
Store description excerpt
Cosum keeps track of what your group spends — and tells you exactly who owes what, in the fewest possible transfers. Add an expense, split it equally or by exact amounts or shares, and Cosum does the math. No spreadsheets, no chasing people down, no "wait, who paid for what again." WORKS WHERE YOU ARE • Add expenses from your phone or straight from your browser — cosum.app works from any laptop, same account, synced instantly • See a shared ledger's basics before you even sign up — check it out, then join when you're ready • View your balances even offline PERFECT FOR • Roommates splitting rent, bills and groceries every month • Trips and holidays with friends or family • Couples sharing everyday costs • Any group that owes each other money and wants it simple BUILT FOR REAL LIFE • Split equally, by exact amount, or by shares — for every kind of expense • Recurring entries for rent, subscriptions and salary — set it once, it logs itself every period, free on every plan • Every ledger keeps its own currency • A running activity log of who added or changed what • One small banner ad on the summary screen for free users — never on the screens where you enter money or settle up • 18 languages Cosum is built and maintained by one developer. Feedback goes straight to a real person, not a ticket queue. COSUM PREMIUM Premium removes the ad, raises your ledger and participant limits, lifts the daily entry cap, and unlocks a one-page PDF settle-up report you can share when a ledger is done. Cosum Premium is offered as a Monthly (1 month) or Yearly (12 months) auto-renewing subscription; prices are shown in the app and vary by region. Payment is charged to your Apple Account at confirmation of purchase and the subscription renews automatically unless turned off at least 24 hours before the end of the current period. Manage or cancel any time in your App Store account settings. If you don't subscribe, Cosum stays fully usable for free. Privacy Policy & Terms of Service: cosum.app/privacy · cosum.app/terms
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