Yes. You can upgrade or downgrade at any time. When you upgrade, the new plan takes effect immediately and you'll receive prorated credit for your current billing cycle. Downgrades take effect at the end of your current billing period.

Your research notes, theories, and evidence are never deleted. If you exceed the limits of a lower tier, you'll still be able to view existing work but won't be able to create new items until you're within limits or upgrade again.

Yes. AI usage limits (chats, imports, analysis) reset on the first of each month. Storage-based limits like evidence uploads and investigations are cumulative.

Referral invites include 7 days of full access. You can also start with the Free tier and upgrade whenever you're ready — no trial needed to explore the platform.