Aristotree

Pricing

Discover history.
Keep it alive.

Research topics, build graphs, discover connections, and review your knowledge with AI.
We have a free plan available with everything you need to build your history. Upgrade to Pro for more AI credits to research deeper and discover more.

Choose how you learn

Free — For curious minds

Create your first historical episodes, discover connections, and preserve your knowledge

No card or payment required

  • Create approximately 1 new historical episode or research approximately 20 concepts every month.
  • Keep unlimited episodes
  • 200 AI credits each month
  • Browse existing graphs and edit manually for free
  • Research topics, grow your graphs, and create review questions with AI
  • No card required
Start free

Pro — For passionate explorers

Build entire historical universes, investigate multiple topics, and continuously expand your understanding

$10.00/month

  • Create approximately 10 new historical episodes or research approximately 200 concepts every month.
  • Keep unlimited episodes
  • 2,000 AI credits every month
  • Browse existing graphs and edit manually for free
  • Research topics, grow your graphs, and create review questions with AI
Upgrade to Pro

Prefer pay-as-you-go?

Extra credits for AI research and review generation. Purchased credits never expire.

1,000 credits

Enough to explore AI research.

$5.00one-time
  • 1,000 credits, never expire
  • One-time purchase
  • Use for AI research and new content
Buy credits
Most popular

5,000 credits

For a growing history map and regular reviews.

$20.00one-time
  • 5,000 credits, never expire
  • One-time purchase
  • Use for AI research and new content
Buy credits

20,000 credits

Heavy use: deep research, media discovery, and daily reviews.

$75.00one-time
  • 20,000 credits, never expire
  • One-time purchase
  • Use for AI research and new content
Buy credits

Prices are localized by Paddle when available. Taxes may apply and will be calculated at checkout. See our refund policy.

Common questions

Common questions

What are credits for?
Credits fund AI research, graph expansion, new review questions, and other AI work. Expanding a concept to create related concepts and relationships uses approximately 10 credits. Browsing existing graphs and manual editing are free. AI-assisted grading also uses credits.
Are there plans or subscriptions?
Free includes a monthly AI allowance. Pro provides a larger monthly allowance with monthly billing where available. Credit packs remain optional.
Can I start for free?
Yes. Free includes 200 AI credits each month to build your first history graph and continue exploring. No card required.
Do monthly credits roll over?
Monthly credits refresh and do not roll over. Free refreshes every 30 days from signup. Pro refreshes each billing month. Separately purchased credits and existing starter grants never expire. Monthly credits are spent first.

Ready to start your history?

Start exploring with Free. Add a credit pack whenever you need more AI research.

Start building your history