PreVeil vs Tuta Mail

PreVeil provides end-to-end encrypted email and file sharing for defense and regulated industries. PreVeil Drive stores and shares encrypted files, with controls for viewing, editing, and commenting. Email works with Outlook, Gmail, Apple Mail, browsers, and mobile devices; Drive integrates with Windows File Explorer and Mac Finder, and is also available in a browser and iOS and Android apps. PreVeil says data is encrypted on users’ devices and only recipients can decrypt it. It replaces passwords with cryptographic keys and uses Approval Groups to distribute administrative trust among multiple approvers. The company says its platform is designed to support CMMC, NIST SP 800-171, ITAR, DFARS, HIPAA, the FTC Safeguards Rule, and CJIS requirements. Data subject to DFARS, CMMC, or ITAR is stored in AWS GovCloud in the U.S.; other data is stored in AWS Commercial Cloud. A free Basic plan includes 5 GB of encrypted storage. Paid plans include Individual at $25 a month, requiring annual payments, and Business at $30 a month per user, with monthly billing available.

Tuta Mail is an encrypted email service with apps for Android, iOS, Windows, macOS, and Linux, plus browser access. It includes an encrypted calendar and supports offline use; full offline support is listed among paid-plan benefits. The free plan provides 1 GB of storage, one calendar, and three labels. Revolutionary costs €3 a month billed annually and includes 20 GB, 15 extra email addresses, and three custom domains. Legend costs €8 a month billed annually and includes 500 GB, 30 extra email addresses, and 10 custom domains. Paid plans support calendar sharing and event invitations; desktop clients can import EML or MBOX files. Tuta says its clients are open source and auditable, and its data is stored on its servers in Germany in ISO 27001 certified data centers. The service uses post-quantum cryptography, and mail protocol support is listed as none. Family multi-user support can be activated through support on paid plans. Priority email support replies within one business day on Legend.