Convert units instantly — right from your wrist or your pocket.
Equiv is a modern, powerful, and privacy-focused unit converter designed to simplify your everyday calculations. Whether you are a student, professional, or traveler, Equiv provides a seamless experience for converting between hundreds of units across 20 specialised categories.
Built with the latest technologies, Equiv features a beautiful "Liquid Glass" design that feels right at home on iOS. Beyond just a converter, it integrates deeply with the system to provide information when you need it most—through Home Screen widgets and a companion Apple Watch app.
Key Features:
20 Comprehensive Categories: From standard measurements like Length and Mass to specialised technical units like Data Transfer Rate, Torque, and Illuminance.
Live Currency Rates: Stay updated with exchange rates for 30 major global currencies, featuring automatic updates and offline caching.
Home Screen Widgets: View your most recent conversions at a glance with beautiful Small and Medium widgets.
Apple Watch App: A fully-featured companion app that brings the power of Equiv to your wrist, optimised for Digital Crown input.
Smart History & Favorites: Quickly access your most-used categories by marking them as favorites and revisit past calculations in your conversion history.
Deep iOS Integration: Search for units directly via Spotlight, use Siri Shortcuts for hands-free conversions, and enjoy haptic feedback throughout the app.
Supported Categories Include:
General: Length, Weight / Mass, Temperature, Volume, Area, Speed, Time.
Technical: Digital Storage, Energy, Pressure, Power, Force, Frequency.
Specialised: Fuel Economy, Data Transfer Rate, Torque, Density, Illuminance, Angle.
Finance: 30 Global Currencies.
Privacy First: Equiv is built with your privacy in mind. We do not collect any user data. All conversions are performed locally on your device, and internet access is only used to fetch the latest currency exchange rates.
Ratings & Reviews
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Calculator Input
Type expressions directly into the converter — enter things like 5*12+3 or (100-32)/1.8 and the result converts instantly. An operator toolbar appears above the keyboard for quick access to +, −, ×, ÷, and parentheses.
Custom Conversions
Create your own unit groups with custom conversion ratios. Perfect for industry-specific units or anything not covered by the built-in categories.
New Categories
Three new categories join the list: Blood Sugar (mg/dL ↔ mmol/L), Typography (pt, px, pc, em, dp), and Flow Rate (L/s, GPM, CFM, and more).
More Currencies
Ten additional currencies added: Qatari Riyal, Saudi Riyal, Egyptian Pound, Pakistani Rupee, Bangladeshi Taka, Vietnamese Dong, Nigerian Naira, Kuwaiti Dinar, Omani Rial, and Argentine Peso.
Favourite Conversions
Star individual history entries to keep your most-used conversions at the top. Swipe left to star, swipe right to delete.
Remember My Units
The app now remembers the last unit pair you used in each category, so you always pick up where you left off.
Multi-Convert Improvements
Search and sort results when converting to all units at once, then share the full list with a single tap.
Currency on Apple Watch
Exchange rates are now synced from your iPhone to your Watch automatically, so you can convert currencies right from your wrist.
Configurable Widget
Long-press the widget and choose which category it should open — set it to Currency, Length, Temperature, or any of the 23 available categories.
iPad Layout
A two-column split view makes better use of the larger screen on iPad.
iCloud Sync
Your conversion history and favourites now sync across all your devices via iCloud.
Version 1.1.0
The developer, Callum Black, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Privacy practices may vary, for example, based on the features you use or your age. Learn More
The developer indicated that this app supports the following accessibility features. Learn More
Supported Features
VoiceOver
Larger Text
Dark Interface
Differentiate Without Color Alone
Sufficient Contrast
Reduced Motion
Information
Seller
Callum Black
Size
5 MB
Category
Utilities
Compatibility
Requires iOS 26.2 or later.
iPhone Requires iOS 26.2 or later.
iPad Requires iPadOS 26.2 or later.
Mac Requires macOS 26.2 or later and a Mac with Apple M1 chip or later.