
E-Light: Circuit Simulator
Build. Simulate. Calculate.
About
Learn electrical engineering by building and simulating circuits. This app offers a realistic physics engine, a vast library of industrial components, and professional-grade calculators for hands-on learning and analysis.
What's New in E
1.1.0+10
November 1, 2026
◈ E-Light now speaks 10 languages — Arabic, Spanish, French, Portuguese, Chinese, Hindi, Indonesian, German, Russian, and English. Switch anytime from the globe on the home screen or in Settings. ◈ New in the simulator: orthogonal wiring. Draw clean 90° wire runs instead of curves, or keep the classic style — your choice in Settings. ◈ Plus bug fixes and improvements.
MoreSubscriptions & In-App Purchases
Pro Monthly
Unlock E-Light Pro features with a monthly subscription
FAQ
What is E-Light?
E-Light is an application that combines an interactive circuit simulator with professional electrical calculators. It allows users to build and simulate electrical circuits using a realistic physics engine and a wide range of industrial components.
Does E-Light have ads?
Yes, E-Light contains advertisements in its free version. Users can remove ads by subscribing to E-Light Pro.
What are the E-Light Pro subscription options?
E-Light Pro offers Monthly, Quarterly, and Annual plans. These plans unlock the full component library, cloud sync, an ad-free experience, and calculator formulas. Prices vary by region and are displayed within the app.
Can I try E-Light Pro before subscribing?
Yes, all E-Light Pro subscription plans include a 3-day free trial. This allows you to experience the premium features before committing to a purchase.
What kind of components are available in E-Light?
The free version offers 10 components to get started. E-Light Pro unlocks over 125 real industrial components, including contactors, MCBs, RCDs, VFDs, motors, sensors, and more.
How often is E-Light updated?
E-Light is actively being developed, with new simulator components, calculators, languages, and features added regularly through updates. The latest version is 1.0.1+8, last updated on August 24, 2026.
What devices does E-Light support?
E-Light is available on Mac, iPhone, iPad, and iPod. Projects can sync across these devices when you sign in.
Is E-Light suitable for beginners?
Yes, E-Light is designed for learning electrical engineering. It provides a safe, zero-equipment digital lab environment for students, educators, and technicians to practice and understand electrical systems.







