← BackNetwork Simulator — Pro

Simple, honest pricing

30 scenarios free forever. Unlock 295 advanced scenarios with Pro.

Free
$0forever
  • ✓Physical signals & Ethernet frames
  • ✓MAC addresses & broadcast domains
  • ✓WiFi basics & DHCP
  • ✓HTTP requests & IP addressing
  • ✓DNS resolution & TCP handshake
  • ✓Ping/ICMP, VLANs, IPv6, ARP spoofing
  • ·30 scenarios total
Start for free
Pro
€29one-time

or €8/month

  • ✓Everything in Free
  • ✓OSI model deep dive
  • ✓NAT & subnetting
  • ✓HTTP/2 multiplexing
  • ✓WebSocket & SMTP email
  • ✓CDN & multicast (IGMP)
  • ✓VPN tunnels & TLS handshake
  • ✓Firewalls & load balancers
  • ✓TLS certificate chains
  • ✓QUIC / HTTP3
  • ✓BGP routing & hijacking
  • ✓DDoS attacks & scrubbing
  • ✓Zero Trust architecture
  • ·295 additional scenarios

Sign in first, then unlock Pro

Is the free tier really free?

Yes. 30 scenarios, no account needed, no time limit.

What does "lifetime" mean?

One payment, access to all current and future Pro scenarios forever.

How does billing work?

Payments via Lemon Squeezy. EU VAT handled automatically.