c.Email vs FlowCrypt

c.Email has no write-up on Specifiction yet; its figures are above.

FlowCrypt is an email encryption service that lets users send encrypted messages to OpenPGP users and password-protected messages to other recipients. Recipients can reply securely without installing a plugin. It is offered as a Chrome extension, with other platforms and a mobile application also listed. Gmail and Outlook integration are listed, along with message expiry and password-based recipient verification. The free plan is for fewer than 100 users and lists a 5 MB attachment threshold, while product details say free users can add attachments up to 25 MB. Enterprise supports domains with more than 100 users, and administrators can set domain-wide controls and enforce rules for passphrases, keys, and signing. Enterprise also supports SSO through Google, OIDC providers, and delegated identity providers, and can connect with public key servers, HSMs, and internal systems. Enterprise commercial-use pricing requires contacting FlowCrypt. Its enterprise data processing agreement is described as GDPR-compliant, and enterprise support includes an SLA for availability and response times for fixes and patches.