From beginner-friendly picks to power-user tools, our schematics list covers 249+ iPhone apps updated through August 2026. Compare ratings, prices, and screenshots in one place.
Learn to troubleshoot electrical circuits with a virtual voltmeter and PLC logic. This app offers 17 random electrical problems for a challenging learning experience, allowing you to practice identifying issues in motor starters and control circuits.
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.
This app provides a local-first workspace for reviewing PCB designs on Apple devices. Import various design files, inspect layouts in 2D and 3D, organize revisions, and manage project data. It streamlines the review process for hardware teams and engineers.
Electrical Troubleshooting MS tops our schematics apps ranking as of August 2026, with a 4.7-star average from 62 App Store ratings, and it's free to download.
Are there free schematics apps for iPhone?
Yes — 18 of the top schematics apps we rank are free to download, including Electrical Troubleshooting MS and EE ToolKit.
Does Electrical Troubleshooting MS have ads or in-app purchases?
Electrical Troubleshooting MS has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
How many schematics apps are on the App Store?
We track 249+ schematics apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
What is Electrical Troubleshooting MS?
Electrical Troubleshooting MS is a free educational app designed to help users learn and practice electrical circuit troubleshooting using a virtual voltmeter and PLC logic. It presents 17 different electrical problems for a challenging learning experience.
How does Electrical Troubleshooting MS work?
The app allows users to experience how a reversing starter works, use virtual voltmeter probes to measure voltages, and analyze PLC logic. Users can switch between normal mode to learn and troubleshooting mode to identify problems.