POS Calculator

POS Calculator is a purpose-built calculator for small businesses, shops, and anyone who sells in person. It combines the speed of a classic calculator with the features you actually need at the counter.

Whether you're ringing up items, applying discounts, taking trade-ins, or splitting cash and card, POS Calculator keeps everything clear, fast, and mistake-free.

Designed for real-world selling
• Enter items using Qty @ Price — just like a cash register
• Supports partial quantities (3.5 lbs, 0.75 gallons, etc.)
• Built-in trade-in and store credit handling
• Per-item discounts — percentage or fixed dollar amount
• Automatic sales tax calculation
• Optional surcharge adjustment for card fees

Clear totals, no surprises
• See subtotal, discounts, tax, and total as you build the sale
• Credits and adjustments applied in the correct order
• Taxable and non-taxable items handled properly

Split Cash & Card
• Enter the cash amount tendered
• Instantly see how much goes on the card
• Calculate change due

Utility Calculator
A full calculator is always one tap away — no need to switch apps mid-sale.

Fast, tactile, and offline
• Works 100% offline
• No accounts, no ads, no tracking

POS Calculator is built for speed, clarity, and reliability at the counter — so you can focus on your customer, not your math.

Recent changes:
• Rebuilt natively in Kotlin & Jetpack Compose for faster startup, smoother scrolling, and a much smaller app size.
• Added a Receipt Review button in the top bar to easily review long transactions, discounts, credits, and tax breakdowns at a glance.
• Improved keypad responsiveness, hold-to-delete repeat, and native haptic feedback.