Deun: Split Expenses Fairly

Deun makes splitting expenses simple and fair.
Whether it's a shared flat, a group trip, dinner out, or a weekend away, Deun keeps track of who paid for what and tells you exactly who owes whom — no spreadsheets, no awkward maths.
📷 SCAN ANY RECEIPT
Point your camera at a receipt and Deun reads the items for you. Assign who had what with a tap and the split is done in seconds.
➗ SPLIT FAIRLY, YOUR WAY
Split equally, by exact amounts, or item by item. Deun does the rest and always keeps the balances fair.
👥 GROUPS FOR EVERYTHING
Make a group for your flatmates, your trip, or your friends. Add people in seconds — they don't even need an account. Just add them as a guest by name.
💸 SEE WHO OWES WHOM
Deun does the maths and shows clear, simplified balances, so everyone settles up with the fewest payments possible.
🤝 TRACK IT WITH FRIENDS
Connect with friends and see your shared balances across all your groups in one place.
⚡ ALWAYS UP TO DATE
Real-time sync means everyone in the group sees new expenses and balances the moment they're added.
🔒 SIGN IN YOUR WAY
Quick, secure sign-in with Google, Apple, or GitHub.
WHY YOU'LL LOVE DEUN
• Scan receipts instead of typing them out
• Add guests without accounts
• Fair, simplified balances
• Real-time updates for the whole group
• Clean, fast, and easy to use
• Available in English and German
Stop chasing people for money and arguing over the bill. Download Deun and split fairly — simply.