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Real capability. Clear pricing.

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LOCAL NOTEBOOK

Free

£ 0 / month

For local thinkers, writers, and explorers.

  • Unlimited notes and chapters
  • Full AI memory layer
  • Golden Keys and supersession
  • Symbol and domain search
  • Markdown and JSON export
  • Backup and restore
  • Local storage — your device, your data
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02 · AUTHOR CLOUD

Author Edition

£ 9 / month

or £7.20/month billed annually

For writers building serious notebooks in the cloud.

14-day free trial. No long-term commitment.

  • Everything in Free, plus:
  • Cloud database hosted by Blue Whale Memory
  • Event Horizon synthesis
  • Editorial mode — edit all note fields
  • Move, reorder, and rename chapters
  • Hosted AI features subject to fair-use limits
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RESEARCH WORKBENCH

Scientific Edition

£ 49 / month

or £39.20/month billed annually

For researchers working across multiple notebooks, equations, and synthesis layers.

  • Everything in Author Edition, plus:
  • Multiple notebooks in one instance
  • Own cloud database — migrated from Author Edition
  • Event Horizon synthesis across all notebooks
  • LaTeX equation rendering
  • LaTeX automation via worker
  • Extended AI worker command surface
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Data Sovereignty

Your knowledge remains yours.

Free tier data lives entirely on your device. Author Edition exports are portable Markdown and JSON. Scientific Edition runs on your own database. No lock-in at any tier.