Calvertr Lite is a versatile and powerful graphing unit converter and calculator app available for iPhone users, completely free of charge. With a sleek and polished design, this app offers a wide range of categories and units for quick and accurate conversions.

The app features an easy-to-use interface with 34 categories containing thousands of unit conversions, support for 157 world currencies, and the ability to add units to your favorite list for quick access. Additionally, you can search units and categories, add personal notes to saved conversions, and share them via Email, Airdrop, or printing. Choose from 9 beautiful color themes for a personalized experience.

The versatile calculator component allows you to create live math expressions, save complete expressions for future use, and edit them easily. You can share calculations with friends and benefit from a faster and user-friendly experience. The app also offers a unique calculator widget for iOS 8, enabling math calculations directly from the notification center.