Prism Explorer

Prism is a knowledge explorer powered by Claude AI. Start with any topic — a historical figure, a scientific concept, a place — and dive deep through an interconnected web of articles, just like browsing an encyclopaedia.

Explore like a wiki

Every article is rich with clickable links. Tap a name, event, or idea to open a new page and keep exploring. Follow your curiosity wherever it leads.

Chat with every page

Each topic has its own dedicated chat. Ask follow-up questions, request more detail, or take the conversation in a new direction — Claude responds in context.

Build a master timeline

See how events and people connect across history. Prism builds chronological timelines from your explored topics and weaves them together into a single, filterable master view. Search by keyword, filter by topic or tag, and zoom into specific periods with the year range slider.

Your research, organised

Articles are automatically tagged and fully searchable. Browse everything you've explored, or search across all your notes to find exactly what you need.

Sync across devices

Your articles, timelines, and tags sync seamlessly via iCloud across iPhone, iPad, and Mac.

Your API key, your control

Prism is free to use. You must supply your own Anthropic API key and choose which Claude model to use — from the fast and affordable Haiku to the powerful Opus — so you're always in control of quality and cost.

What's new:

- Choose from Claude Haiku, Sonnet, or Opus
- Customisable link colours
- Full-text search across all articles
- Auto-generated tags for every topic
- Master timeline with search, topic and tag filtering, and year range slider
- iCloud sync across all your devices