Every payment rounds up to the next ten taka. The difference drops into a jar you can open any day, with no fee.
Rice, rent, a rickshaw across Mirpur. Use Poysha the way you already use your phone.
A 43 taka tea and singara becomes 50. The 7 taka goes into your jar before you have put the phone away.
Name a jar for Eid, for school fees, for the day the shop needs a new fridge. Open it whenever you like.
Saved while you were reading: 0 taka
Built for people the banks forgot to design for. Works on a basic Android, in Bangla first, and on a patchy connection at the bazaar.
The passbook · one ordinary day
A/C 0171 ··· 4482 01 OCT 2026 PAGE 14
| Time | Where | Paid | Rounded | Kept | In the jar |
|---|---|---|---|---|---|
| Brought forward | 12,454 | ||||
| 07:42 | Tea and singara, Shyamoli | 43 | 50 | +7 | 12,461 |
| 08:10 | Rickshaw to Mirpur 10 | 40 | 50 | +10 | 12,471 |
| 11:26 | Pharmacy | 137 | 140 | +3 | 12,474 |
| 17:55 | Rice, five kilos | 385 | 390 | +5 | 12,479 |
| 21:03 | Phone top-up | 99 | 100 | +1 | 12,480 |
| Carried forward | +26 | ৳ 12,480 |
A day like this, every day, is ৳ 9,490 a year, from money you would not have noticed.