1. The POS and the books are one system
Petpooja is a point of sale: it bills brilliantly, then hands your numbers to other software — its Tally integration is a paid add-on. HelloBooks POS posts a real double-entry journal the moment a bill settles, so sales, taxes, tenders and inventory land in your ledgers automatically. No day-end export, no re-keying into accounting software, no reconciliation between two systems.