UCircuit

Your first
engineering lab.

A playful, visual learning app that helps kids understand electricity in seconds — through guided circuit labs, instant feedback, and safe experimentation.

No login • No ads Parent-guided learning One-time Pro unlock
 Download on the App Store
Start free with the first core lab.
UCircuit main screen

Why UCircuit?

UCircuit turns electrical concepts into something children can touch, move, and understand. It builds engineering thinking through fast cause-and-effect feedback — without pressure, accounts, or distractions.

Labs

Guided labs, step by step

Start simple (Battery + Bulb + Switch), then progress into deeper challenges.

Interactive learning

Instant visual feedback

Kids see what works immediately — and what needs fixing — through animation.

Badges

Badges & favorites

Track progress in a motivating way and revisit favorite labs anytime.

Main screen

Designed for learning

Simple interactions, clean UI, and a safe environment built for young learners.

Pro unlock

Try the free starter lab first. When you’re ready, unlock the full learning experience with a single purchase.

Free

Includes the first core lab — perfect for getting started and learning the basics.

Starter lab Offline-friendly No account

UCircuit Pro

Unlock all guided labs plus the Open Lab Builder for custom experiments. One-time purchase. No subscription.

All labs Open Lab Builder Restore purchases
 Download on the App Store