Live conversion
Type a number and see the result instantly. No convert button, no loading. The swap button flips direction in one tap so you never have to re-enter values.
Now Available
UnitFlip
UnitFlip is a fast, clean unit converter built for speed. Two input fields, live conversion as you type, a swap button to flip direction, and category tabs to jump between measurement types. Covers length, area, weight, volume, temperature, speed, digital storage, time, cooking, currency, and more. The free tier is ad-supported. Pro removes ads and unlocks daily currency sync, additional categories, and unlimited favorites with one lifetime purchase.
Live conversion80+ unitsLifetime Pro unlock
13 categories
Length, area, weight, volume, temperature, speed, digital storage, time, cooking, currency, and more. Pro adds fuel economy, pressure, angle, and daily currency rate sync.
Favorites
Star your most-used conversion pairs for instant access. Tap a favorite to jump straight into converting. Free tier includes 3 favorites; Pro unlocks unlimited.
No subscription
The free tier includes core conversion categories with a small banner ad. Pro is a one-time lifetime purchase that removes ads, adds power categories, daily currency sync, and unlocks unlimited favorites.
Available now on the App Store.
UnitFlip is available on the App Store. A utility-first converter with local favorites, cached rates, and optional Pro features.
UnitFlip stores favorites, preferences, and cached rates locally on your device using SwiftData. There are no accounts or cloud sync, and conversion inputs are not sent to our server for processing.
The free tier uses Google AdMob and Google User Messaging Platform for ads and consent. Pro is a one-time lifetime purchase that removes ads and unlocks power features.