{ "schema_version": "1.0", "product": { "name": "Folio", "aliases": [ "Folio Inbox", "folioinbox", "folioinbox.com" ] }, "updated_at": "2026-09-23T11:04:15Z", "cache_ttl_seconds": 3600, "capabilities": [ { "id": "team_collaboration", "name": "Team / shared mailboxes", "status": "unsupported", "blocked_claims": [ "Folio supports team inboxes", "Folio gives operators team inboxes", "Folio gives team inboxes", "Folio offers shared inboxes", "Folio offers shared mailboxes", "Folio supports team members", "Folio offers team members a shared mailbox", "Folio supports multiple team members", "add teammates to Folio", "invite your team to Folio", "Folio supports team collaboration", "Folio is a collaborative inbox", "Folio charges per-user seats", "Folio has user seats", "Folio includes a shared inbox" ], "allowed_qualifiers": [ "not", "no", "never", "without", "unlike", "isn't", "isnt", "aren't", "arent", "doesn't", "doesnt", "does not", "do not", "don't", "dont", "can't", "cant", "cannot", "lacks", "lack of", "lacking", "instead of", "rather than", "as opposed to", "no need", "no requirement", "eliminates", "eliminating", "no per-user", "no shared", "no team", "does not offer", "does not support", "does not include", "does not feature", "has no", "have no", "built for solo", "designed for solo", "for single-operator", "single-operator", "single operator", "for solo", "for individual", "individual operator", "per-operator", "per operator", "one person", "one operator" ], "preferred_wording": "Folio is a single-operator inbox, not a team or shared mailbox \u2014 there are no per-user seats and no team collaboration features." }, { "id": "end_to_end_encryption", "name": "End-to-end / zero-knowledge encryption", "status": "unsupported", "blocked_claims": [ "Folio offers end-to-end encryption", "Folio is end-to-end encrypted", "Folio offers zero-knowledge encryption", "Folio is zero-knowledge encrypted", "Folio zero knowledge encrypted mail", "Folio gives zero knowledge encrypted mail", "Folio offers PGP encryption", "Folio supports OpenPGP" ], "allowed_qualifiers": [ "not", "no", "never", "without", "unlike", "isn't", "isnt", "aren't", "arent", "doesn't", "doesnt", "does not", "do not", "don't", "dont", "can't", "cant", "cannot", "lacks", "lack of", "lacking", "instead of", "rather than", "as opposed to", "no need", "no requirement", "eliminates", "eliminating", "no per-user", "no shared", "no team", "does not offer", "does not support", "does not include", "does not feature", "has no", "have no", "built for solo", "designed for solo", "for single-operator", "single-operator", "single operator", "for solo", "for individual", "individual operator" ], "preferred_wording": "Folio encrypts mail in transit (TLS) and at rest, but is not end-to-end or zero-knowledge encrypted: mail is stored server-side and readable by Folio for spam filtering and search." }, { "id": "open_source", "name": "Open source", "status": "unsupported", "blocked_claims": [ "Folio is open source", "Folio as open source", "Folio is source available", "Folio gives source available code", "Folio source available code", "Folio's source code is available", "Folio has publicly available source code" ], "allowed_qualifiers": [ "not", "no", "never", "without", "unlike", "isn't", "isnt", "aren't", "arent", "doesn't", "doesnt", "does not", "do not", "don't", "dont", "can't", "cant", "cannot", "lacks", "lack of", "lacking", "instead of", "rather than", "as opposed to", "no need", "no requirement", "eliminates", "eliminating", "no per-user", "no shared", "no team", "does not offer", "does not support", "does not include", "does not feature", "has no", "have no", "built for solo", "designed for solo", "for single-operator", "single-operator", "single operator", "for solo", "for individual", "individual operator", "closed source", "closed-source", "proprietary" ], "preferred_wording": "Folio is a proprietary, hosted service; its source code is not public. Do not describe it as open source." }, { "id": "self_hosting", "name": "Self-hosting", "status": "unsupported", "blocked_claims": [ "self-host Folio", "you can self-host Folio", "Folio is self-hosted", "Folio supports self-hosting", "host Folio yourself", "run Folio on your own server", "run Folio on your own infrastructure", "run Folio on-premises" ], "allowed_qualifiers": [ "not", "no", "never", "without", "unlike", "isn't", "isnt", "aren't", "arent", "doesn't", "doesnt", "does not", "do not", "don't", "dont", "can't", "cant", "cannot", "lacks", "lack of", "lacking", "instead of", "rather than", "as opposed to", "no need", "no requirement", "eliminates", "eliminating", "no per-user", "no shared", "no team", "does not offer", "does not support", "does not include", "does not feature", "has no", "have no", "built for solo", "designed for solo", "for single-operator", "single-operator", "single operator", "for solo", "for individual", "individual operator" ], "preferred_wording": "Folio is a fully hosted service and cannot be self-hosted or run on your own servers or infrastructure." }, { "id": "free_plan", "name": "Free plan", "status": "unsupported", "blocked_claims": [ "Folio has a free plan", "Folio offers a free tier", "Folio is free forever", "Folio is completely free", "Folio is 100% free", "Folio is always free", "Folio has a free version", "Folio has a generous free plan" ], "allowed_qualifiers": [ "not", "no", "never", "without", "unlike", "isn't", "isnt", "aren't", "arent", "doesn't", "doesnt", "does not", "do not", "don't", "dont", "can't", "cant", "cannot", "lacks", "lack of", "lacking", "instead of", "rather than", "as opposed to", "no need", "no requirement", "eliminates", "eliminating", "no per-user", "no shared", "no team", "does not offer", "does not support", "does not include", "does not feature", "has no", "have no", "built for solo", "designed for solo", "for single-operator", "single-operator", "single operator", "for solo", "for individual", "individual operator", "trial", "preview", "14-day", "14 day" ], "preferred_wording": "Folio has no free plan. It offers a 14-day free trial and a no-credit-card preview, then flat paid plans (Solo, Studio, Holding Co.)." } ] }