Track spending & split bills — on a sheet you own.
Common Things is a free expense tracker and bill splitter that stores everything in your own Google Sheet. No lock-in, no data resale — your money stays yours.
June 2026 · total spent
₹12,450
See exactly what Common Things can access
No vague promises — here is the permission boundary, file by file.
Common Things wants access
Google permission request
✓ See and manage its own Drive files
Only files created by Common Things or opened with it.
✓ Read and write Google Sheets
Used for personal, Circle and shared group workbooks.
Browse every file in your Drive
You see every permission up front
Per-file Drive access manages app files. Sheets access keeps your personal and shared group workbooks in sync.
drive.file means Common Things can only see files it created — not your whole Drive. spreadsheets access is used solely for app workbooks.
Everything you need, nothing you don't
Smart expense tracking
Add an expense in one line — “₹250 swiggy lunch” — and the category fills itself in.
Split with anyone
Flatmates, trips, couples. Equal, exact, percentage or shares, with one-tap settle-up.
Budgets & insights
Monthly budgets, projected spend, and a guide that shows if the month is running hot.
Shopping lists
A Keep-style checklist for groceries and to-buys, free for everyone.
Works offline
Add expenses with no signal — they sync to your Sheet when you're back online.
Your data, your Drive
Drive access is per-file, and Sheets access is used only for Common Things workbooks. No ad profile or resale.
Set up in under a minute
Sign in with Google
Permissions are explained clearly: per-file Drive access plus Sheets access for app workbooks.
We create your sheet
A private Common Things workbook appears in your Drive.
Start tracking
Add expenses, split bills, and open the raw data any time.
Ready when you are
Common Things is in private preview. Drop your details and we'll tell you the moment it opens.
Coming soon on