Simple, one-time pricing
Two simulators, one mission. Pick the one you want to build with — or get both. No subscriptions.
Students & educators get 50% off DigiSim Logic Lab with an academic email.
DigiSim Logic Lab Build and simulate digital logic — from a single gate to a working CPU.
Free
$0
- 16 components
- 21 interactive lessons
- Save & share your circuits
- Runs in your browser
POPULAR Pro
$32 one-time purchase
- 61 components
- 69 interactive lessons
- Everything in Free
- One-time, yours forever
DigiSim Relay Lab Build a computer from electromechanical relays — the CODE journey, hands-on.
Free
$0
- 18 of 25 Blueprints
- Hands-on relay sandbox
- Limited relay count
- Follow the CODE journey
UNLOCK Full
$12.99 one-time purchase
- All 25 Blueprints
- Unlimited relays
- Export your machines
- Build a full adder & beyond
- One-time payment
- 14-day refund policy
- No subscription, ever