Stop guessing at the checkout line and stop arguing over who owes what.

Add It Up is the ultimate dual-purpose financial utility. Whether you are shopping solo and need to stick to a strict budget, or you are out with friends and need to split the bill, we have you covered.

Originally a hit on Windows Phone, Add It Up has been completely rebuilt for 2026 on Android.

🛒 MODE 1: THE SHOPPING CALCULATOR
Never get surprised by the total at the register again. Add It Up allows you to track your spending before you pay.

Real-Time Tax: Set your local tax rate once, and we calculate it automatically for every item.

Check-Off Mode: Calculate and check off items on your shopping list simultaneously so you can stay within your budget.

Smart Lists: Turn your calculated items into a saved shopping list for later.

💸 MODE 2: BILL SPLITTING
Perfect for roommates, group trips, and dining out.

Fair Splitting: Split bills evenly among the group instantly.

Tip Calculation: Automatically calculate the tip you want to pay as you add items (Free).

Settlement Tracking: Keep a running tally of who owes who.

Add It Up is Free to use. The free version includes the Shopping List & Calculator, Basic Bill Splitting, Tax & Tip Calculation, and Text Export Sharing.

Upgrade to Add It Up Premium:

Unlimited Lists: Create and manage as many lists as you need without limits.

Advanced Bill Splitting: Go beyond simple even splits. Assign specific items to specific people (or split one item across multiple people).

List Archiving: Save and lock your past lists for future reference.

Download Add It Up today—the smartest way to shop and share.