Easily convert between over 160 currencies and 350 physical units. Save favorite conversions for quick access and get real-time exchange rates, even offline. Supports a wide range of measurements for metric and imperial systems.
Reviews of Convertium are mostly positive: the Travel app is rated 4.4/5 from 921 App Store ratings. What users like most: just in time utility, easy to use. Top complaints: displayed exchange rate not current, no way to pay. Summarized from real user reviews.
1.0.19
August 21, 2026
The converter now follows your finger when you drag it open or closed. Swiping the keyboard, chart, or comparisons no longer hides the sheet. Live currency values update in place as rates refresh. If you already have access, the app no longer flashes a lock screen on launch.
More1-Year Subscription
2 issues
Serving up ads
Leftover inactive UI
2 requests
Yearly subscription option
Separate app purchase option
Convertium is a utility app designed for quick and easy conversion between a vast array of currencies and physical units. It supports over 160 currencies and 350 different physical units, making it a comprehensive tool for various conversion needs.
Key features include in-the-moment calculations, support for over 350 units and 160 currencies, a favorites list for quick access to common conversions, and real-time currency exchange rate updates. It also offers offline access to the latest exchange rates.
The app is available for free with in-app purchases. A subscription unlocks premium features such as no commercial interruptions, unlimited favorites and history, currency exchange rate charts, and iCloud sync across devices.
Yes, you can use Convertium offline. The app updates currency exchange rates every half-hour and stores the latest information locally, allowing you to perform offline calculations even without an internet connection.
Convertium supports a wide range of measurements including volume, area, velocity, temperature, weight, energy, currency, pressure, time, length, power, information, density, frequency, and many more. It can convert these to both metric and imperial systems.
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