Proton Sheets Pricing

Proton Sheets's pricing is sales-led. The published pricing page directs prospects to a sales contact form rather than self-serve plans, as of 2026-05-06.

Proton Sheets does not advertise a free tier on its public pricing page as of 2026-05-06. A free trial may be available on request via the sales team.

Proton Sheets's pricing page positions itself as: "Collaborate securely with a Proton Drive plan — Create and edit collaborative documents.". For the strict definition of agent-buyable PPU — a per-task purchase that an AI agent can complete without an annual commitment — see the agent-readiness scorecard.

Yes. Every advertised Proton Sheets tier is self-serve via card checkout, with no sales call required.

Yes — Proton Sheets's API documentation is publicly accessible at https://proton.me/drive/docs. An AI agent or developer can inspect the integration surface without authentication.

xpay scored Proton Sheets 33 / 100 on its Agent-Ready SaaS Index, which places it in the Not Agent-Ready Yet band. Proton Sheets's pricing page did not render numeric tier data on the scoring date. No per-unit price was found on the page; an agent has no direct way to estimate the cost of a single task. Self-serve signup exists alongside a sales-led / custom tier. Public API documentation is reachable without an auth wall. For the full 6-step purchase simulation and the one-line fix that would lift this listing into the next band, see the linked scorecard.

In the Spreadsheets category, xpay's Agent-Ready Index lists multiple alternatives ranked by their ability to support AI agent purchase. Visit the agent-readiness scorecard for Proton Sheets to compare with 3 nearest peers, or browse the full Spreadsheets category from the index.