Free to play. Pro when you need it.
The entire planner is free, forever. Pro is for when one plan isn't enough: unlimited saved scenarios, cloud sync, and the full side-by-side Compare view.
Free
Everything you need to play out a life.
£0forever
Open the sandbox- The whole planner: every chart, timeline, and Monte Carlo
- Stays on your device; export to JSON anytime
- One saved plan, backed up to your account
- Cross-device sync for that saved plan
- Compare up to 2 plans (metrics table)
- Full Compare view: chart stack, up to 4 plans
- AI planning assistant (coming)
Pro
For comparing futures, not just modelling one.
£4.99/mo
or £39/yr · Save ~35% vs monthly
- Everything in Free
- Unlimited saved plans
- Cloud sync across all your plans and devices
- Full Compare view: metrics + chart stack, up to 4 plans
- First in line for new features (AI assistant, deeper tax)
No card needed to start, and no account linking - PlanBox never sees your bank. When Pro billing opens, you'll see exactly what you're paying for on this page. The numbers come first. Always.