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How does the converter work?
Open Convert, choose a category and units, then type a number. The result appears instantly. Swap direction in one tap.
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Website privacy detailsUnitFlip / Support Center
UnitFlip is built for speed and simplicity. No account is required. If you need assistance with conversions, favorites, Pro restore, or currency rates, we are here to help.
Bug reports, feature ideas, or anything on your mind.
Prefer email? Reach us at [email protected]
Favorites
Saved on device.
Unlimited with Pro.
Pro $2.99
One-time purchase.
No subscription.
Open Convert, choose a category and units, then type a number. The result appears instantly. Swap direction in one tap.
Pro is a one-time $2.99 purchase on the US App Store. It unlocks live currency refresh and unlimited favorites. Pricing may vary by region. There is no subscription.
Open Settings and tap Restore Purchases. UnitFlip uses Apple's StoreKit restore flow.
UnitFlip includes length, area, weight, volume, temperature, speed, digital storage, time, cooking, currency, fuel economy, pressure, and angle, with more than 80 individual units. Every category is included.
UnitFlip stores favorites, preferences, and cached rates locally on your device. There are no accounts, no cloud sync, no ads, and no tracking. Conversion inputs are never sent to our server. If you choose to send a bug report, the support service receives your message, optional email, and a one-way IP hash used for rate limiting.
UnitFlip ships with bundled rates for offline use. Pro can refresh supported rates from Frankfurter. The latest successful result is cached on your device. Exchange rates are informational and may not reflect a real-time market quote.
UnitFlip is local-first. Your conversion data stays on your device, with no ads, no tracking, and no third-party SDKs.