Unit prices
Calculate prices by item, weight, or volume, then compare results on the same basis.
iOS Shopping Utility
CalcBird
A focused unit price calculator for comparing real shopping value across package sizes, currencies, coupons, deposits, and full-reduction discounts.
CalcBird 1.0.1 is available now on the App Store as the renamed app update. It remains iPhone-only and requires iOS 18 or later.
Product comparison
Compare up to four products with compatible units and keep the clearest option visible.
Discount math
Handle coupons, deposits, and full-reduction discounts when the shelf price is not enough.
Local history
Save calculation history on device, search it later, and reuse previous results in comparison.
Currency reference
Show source currency, home currency, and exchange-rate status when shopping across currencies.
Siri and Shortcuts
Run structured unit-price calculations with product name, total price, quantity, currency, and unit.