Best Calca alternatives: apps like Calca

10+ similar apps compared and reviewed

4.6 avg rating
6 free apps
Updated October 2026

Looking for something like Calca? We've analyzed 10+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

KobCard

KobCard by KOB MARKETING

Gift Card Information Platform
4.0(62 ratings)
Free
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KobCard is a comprehensive gift card information platform that offers real-time exchange rates, price calculations, and the latest news on gift cards. It serves as a one-stop destination for individuals looking to buy, sell, or stay informed about the world of gift cards.

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Top Alternatives to Calca

DB48X#1

DB48X by Christophe de Dinechin

Spirit of the HP48, revived
Editor's Choice
📊 Productivity
4.8(4 ratings)
$4.99
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This advanced scientific calculator offers arbitrary precision computations, RPN and algebraic operations, and extensive graphing capabilities. It supports complex numbers, matrices, symbolic calculations, and over 1000 built-in functions, inspired by the HP48 series.