Out of 249+ circuit calculator apps on iOS, 18 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
Compare top Circuit Calculator Apps (October 2026)
This application allows users to build, simulate, and solve linear AC and DC electrical circuits. It is designed for students, engineers, and electronics enthusiasts to aid in study, verification, and practical circuit analysis. Users can visualize current flow and analyze component values directly on schematics.
This comprehensive toolkit offers over 160 electronic applications, calculators, and reference tools for engineers, students, and hobbyists. It features a multi-functional keyboard, color code tools, audio scope, frequency generator, and component references with datasheet access. The app supports real-time circuit simulations and includes a file manager for saving calculations.
What We Love
π Useful tools and features
π Comprehensive and informative
π Intuitive and easy to use
π Helpful for both beginners and professionals
π Regularly updated with improvements
Room to Improve
π Many features locked behind paywall
π Some bugs and glitches reported
π Limited free version functionality
π± Accessibility issues for visually impaired users
This app provides a comprehensive suite of electrical calculations, including Ohm's Law, voltage drop, wire sizing, and impedance. It also offers numerous converters for various electrical units and parameters, aiding in circuit design and analysis.
What We Love
π Great value
π Works perfectly
π Fantastic app
π Best thing since sliced bread
π Useful for electrical work
π Clean and pleasing interface
π Terrific app
Room to Improve
π Have to pay again for an app already purchased
π Not easy to use
π Paid but not unlocked, no response from developer