249+ iOS apps curated and reviewed
The best transistors handbook apps on iPhone average 3.9★ across 249+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | $3.99 | 4.0★ (22) | No | No | May 2026 |
| 2 |  | Free | 3.3★ (4) | No | No | May 2026 |
| 3 |  | Free | 4.8★ (432) | No | Yes | Aug 2026 |
| 4 |  | Free | 3.7★ (3) | No | No | Aug 2026 |
| 5 |  | Free | — | No | No | Jun 2026 |
| 6 |  | $12.99 | 4.7★ (245) | No | No | Aug 2026 |
| 7 |  | Free | 4.0★ (16) | Yes | Yes | Aug 2026 |
| 8 |  | Free | 4.6★ (10) | No | No | Aug 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 app provides essential tools and calculators for electronics engineering students and professors. It includes features for circuit design, simulation, and understanding fundamental electronic concepts. Stay updated with industry news through an integrated RSS feed.
This app provides a comprehensive suite of calculators and reference tools for electronics enthusiasts and professionals. It includes features for component identification, circuit calculations, and electrical property analysis, aiding in both study and practical work.
Access a vast online search engine for electronic component datasheets. Find semiconductor information quickly and easily with over 50 million datasheets available. This tool is designed for engineers and developers needing fast, effective access to technical data.
This comprehensive electronics engineering app provides professionals, hobbyists, and students with a vast array of tools and reference materials. It features a circuit editor, numerous calculation and conversion tools, and extensive component specifications with parametric search capabilities.
This app serves as a pocket-sized electronics lab, offering a comprehensive reference for components and circuits. It simplifies complex calculations for filters, inductors, and various circuit configurations, aiding both engineers and hobbyists in their design processes.
This platform connects STEM enthusiasts, innovators, and educators globally. Share ideas, showcase projects, and collaborate with experts. Buy and sell creations in an integrated marketplace to foster innovation and learning.
This app provides electricians, students, and installers with essential electrical theory, interactive diagrams, and practical calculators. It includes a community forum for users to share knowledge and seek advice, all accessible offline without ads or subscriptions.
This app provides electrical calculations and fundamental concepts for students and professionals. It covers Ohm's Law, power calculations, circuit analysis, and advanced topics like wire sizing and power factor correction.
Easily locate public EV and Tesla charging stations nearby or on your route. View charging station details, get directions, and filter by charger type. Keep your electric vehicle charged and your journey worry-free.
Build and simulate electronic circuits in an intuitive 3D environment. This app offers lightning-fast analysis and a user-friendly interface, making complex engineering accessible. Circuits are saved as documents for easy sharing and management across devices.
Design, simulate, and analyze analog and logic circuits on your mobile device. Features a powerful engine, a wide range of components, and an intuitive editor. Ideal for students, makers, and professionals.
This virtual lab offers a hands-on experience for learning about resistors and circuit resistance. Easily build and test series and parallel circuits, measure voltage and current, and understand the impact of component changes in real-time.
This app calculates electrical parameters based on Ohm's and power laws. Input any two values (voltage, current, resistance, or power) and the app will automatically compute the remaining two. It allows for continuous "what-if" scenarios by locking one parameter and recalculating others.
This app provides a comprehensive suite of tools for electronics calculations and reference. It includes calculators for resistors, LEDs, capacitors, and voltage dividers, along with a unit converter and transistor database. Designed for speed and offline use, it's ideal for students, hobbyists, and engineers.
Design and simulate electronic circuits on an interactive digital breadboard. Analyze designs with virtual oscilloscopes and logic analyzers, and perform precise SPICE netlist simulations. Offers a free tier with core features and a premium subscription for advanced analysis and export.
