The important questions, without fine print.

Not for analysis. The core is local. Content leaves only when remote AI or export is explicitly requested.

The core, guides and analysis work offline. Remote AI and updates need connectivity.

Yes. The whole product is free and ad-free: the engine, the guides, the notebook, reports and exports. The only thing that will ever be charged for is Eikos Pro, which merely raises the monthly allowance of the included AI — no feature depends on it. No subscription is active today; the planned price is on Pricing.