Split shared expenses with friends and groups.
Splex is an open-source alternative to Splitwise. Split costs with friends, partners and groups, settle up in any currency, and keep full ownership of your data - on your own server.
Passwordless sign-in · installable · works offline
Everything you need to split fairly
The features that matter most for splitting costs with the people in your life.
Expense tracking
Every way to split a bill
Add expenses in groups or one-to-one with a friend, with the split method that actually matches reality.
- Equal, selected-equal, exact, percentage and adjusted-equal splits
- Multiple payers per expense (you cover €70, your partner €30)
- Multi-currency with automatic conversion at entry time
- Attach receipts (images or PDFs) and an optional location
- Description suggestions from your nearby expense history
Balances & settlements
Always know who owes whom
Per-group balances and a full ledger keep everyone honest, and settling up clears debts in a couple of taps.
- Live per-group balance and ledger views
- Manual and automatic write-off settlements
- Simplified debts so fewer payments clear more balances
Insights
See where the money goes
Group statistics and a cross-group activity feed turn a pile of expenses into something you can actually read.
- Spending breakdowns per group
- Per-group ledger and balance history
- Activity feed of recent changes across all your groups
Accounts & sharing
Invite anyone in seconds
Passwordless sign-in and shareable invite links mean your friends are in the group before the round is over.
- Magic-link / 6-digit code login - no passwords
- Optional Google sign-in on web and Android
- Invite friends and group members with shareable links
A closer look
Swipe through the app - same clean interface on web and Android.
Open source
Self-hosted, and yours to own
Splex is open source and runs in a single container. Read the code, host it yourself, or contribute.
Your server, your data
Run Splex in a single container. Nothing is shared with third parties, and you decide where the database lives.
Privacy by design
Configurable auto-deletion of inactive accounts, and an anonymous demo mode that runs entirely in the browser.
Install anywhere
Use it as an installable PWA on any device, or grab the native Android app from Google Play.
Works offline
Keep adding and viewing expenses with no connection - changes sync automatically once you're back online.
Stays in sync
Web push and Expo push notifications keep everyone up to date when expenses change or it's time to settle.
Start splitting fairly today
Open the web app right now, or install it on your phone in seconds.