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Simple, transparent pricing

penblox is free for every student. Premium features for classrooms are on the way.

Free

$0

Free forever for every student

  • Structured math blocks (addition, subtraction, multiplication, division)
  • Keyboard-first input with auto-advance
  • Cross-out & carry for regrouping
  • Copy blocks as SVG
  • Annotation tools (text, arrows, shapes, highlighters)
  • Unlimited documents
Get Started
Coming Soon

Premium

TBD

For classrooms and power users

Everything in Free, plus:

  • Google Classroom integration
  • PDF annotation & export
  • Real-time collaboration
  • Priority support
  • Classroom management dashboard