The easiest way to manage your kids' allowances and teach smart money habits — with simulated compound interest they can watch grow.
Get Started FreeDeposits, withdrawals, and interest — all in one ledger. Kids see exactly where their money goes.
| Date | Event | Amount | Balance |
|---|---|---|---|
| Feb 15 | Allowance | +$10.00 | $152.50 |
| Feb 14 | Interest | +$1.37 | $142.50 |
| Feb 10 | Toy Store | -$8.00 | $141.13 |
| Feb 7 | Allowance | +$10.00 | $149.13 |
| Feb 3 | Chores | +$5.00 | $139.13 |
Set a custom interest rate and compounding period. Penny calculates compound interest automatically — teaching the same concepts real banks use.
One-click Google sign-in. Create accounts in seconds. Post deposits and withdrawals from your phone in under 5 seconds.
Free forever. No credit card required.