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Proton

Proton sells encrypted email, storage, VPN and password management as free accounts, single-service Plus plans, the Unlimited, Duo and Family bundles and per-user Proton for Business plans, all as renewing subscriptions under one Terms of Service, with storage, address, domain and user limits set by the plan.

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Overview articleProton licensingProton sells encrypted email, storage, VPN and password management as free accounts, single-service Plus plans, the Unlimited, Duo and Family bundles and per-user Proton for Business plans, all as renewing subscriptions under one Terms of Service, with storage, address, domain and user limits set by the plan.Cited · Edited 2026-10-08 · 10 references

Guides

Proton Terms of Service, billing and refundsCited · Edited 2026-10-08Proton personal plans and bundlesCited · Edited 2026-10-08Proton for Business plans and user licensingCited · Edited 2026-10-08Proton VPN, Pass, Drive and add-on licensingCited · Edited 2026-10-08

Licensing Data

From the Proton catalog: how usage is counted, the rules that apply, the programs licences are bought through and the SKUs. Backed by 108 verbatim excerpts from 15 Proton documents.

Products

All 16 Products

Email Client Software 9

Proton Duo, Proton Family, Proton for Business, Proton Mail, Proton Mail Essentials, Proton personal plans, Proton Visionary, Proton Workspace Premium, and 1 more

Network Security Software 3

Proton VPN, Proton VPN Essentials and Professional, Proton VPN for Business

Cloud File Storage Software 2

Proton Drive, Proton Drive Professional

Video Conferencing Software 1

Proton Meet Professional

Identity Management Software 1

Proton Pass Essentials and Professional

Product History

All acquisitions
  1. Proton acquired Standard NotesAnnounced 2024-04-10 · Closed 2024-04-10

    Proton announced that Standard Notes, an end-to-end encrypted note-taking application, would join Proton; the page's publication metadata gives 10 April 2024.

    Legacy productBecame
    Standard NotesKept Standard Notes · To remain open source, freely available and supported
    Licensing impact
    • Proton stated that Standard Notes would remain open source, freely available and fully supported, that prices were not changing and that current subscriptions would be honored.[1]
    Sources and full product history
  2. Proton acquired SimpleLoginAnnounced 2022-04-08 · Closed 2022-04-08

    Proton announced on 8 April 2022 that SimpleLogin, an email alias service based in Paris, had joined Proton.

    Legacy productBecame
    SimpleLoginKept SimpleLogin · Continues as a separate, open source service
    Licensing impact
    • Proton stated it would better integrate SimpleLogin into Proton Mail and that SimpleLogin would continue working as a separate service.[1]
    • SimpleLogin stated its model would stay 100 percent open source and compatible with all email services, and that SimpleLogin SAS would remain based in Paris.[2]
    Sources and full product history
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