The best transistors handbook apps on iPhone average 4.2★ across 183+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.
This app serves as a comprehensive guide to transistors, offering detailed information on over 51,000 types. Users can search for transistors by name or power, view graphical schemas, and access datasheets. It's designed to assist in selecting and designing electronic 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.
Access over 150,000 step-by-step guides on virtually any topic. Learn new skills through articles, photos, illustrations, and videos. Includes a Survival Kit for offline emergency preparedness.