Best Abacus & Calculator alternatives: apps like Abacus & Calculator

Booster Coworking

Booster Coworking

Free

Manage your coworking space account seamlessly. Connect with other members, post job opportunities, and reserve meeting rooms directly from your mobile device.

RPN Calc

by James Mattis

$0.99

This app provides a straightforward reverse Polish notation (RPN) calculator experience, inspired by classic HP models. It offers a clean interface with large buttons for quick calculations on iPhone, iPad, and Apple Watch, along with a convenient Today Extension for immediate access.

Plutocalc+ Water

Engineering calculator

$4.99

This comprehensive engineering calculator suite offers over 100 solvers for water treatment, hydraulics, and environmental chemistry. It provides instant results with self-explanatory diagrams and internal databases, functioning completely offline. Available in multiple languages, it's designed for professionals needing precise calculations on the go.

Sci-Fi Calculator Widget

by NSTE, LLC

$3.99

Customize your home screen with a calculator widget featuring 16 unique sci-fi themes. Enjoy futuristic aesthetics and sounds, transforming your device into a futuristic interface with a simple tap.