Soulver is quicker to use than a spreadsheet and smarter and clearer than a traditional calculator. Developed by Acqualia Software
License: Commercial
Soulver is more suited for users who require complex calculations and additional features like unit conversions and graphing capabilities, while CalcTape is designed for those who need a straightforward tool for basic calculations and currency conversions. Overall, Soulver offers a more robust feature set for advanced users, whereas CalcTape excels in simplicity and ease of use.