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Best Proton Mail Alternatives in 2026

These are the 5 closest tools to Proton Mail that we track, ordered by what they cost to start. Each entry says how its pricing differs from Proton Mail's — based on the numbers we hold, not on who pays us. We do not publish a quality score, because we do not have one we can stand behind. The cheapest verified option is Logseq at Free.

Why people leave Proton Mail

  • Encryption breaks the usual IMAP workflow
  • Search inside encrypted mail is limited
  • Costs more than mainstream mail providers

These are the drawbacks listed in our own Proton Mail review — not complaints we invented for this page.

  1. 1
    Logseq

    Open-source outliner and knowledge base.

    vs Proton Mail: priced differently (Free vs Free tier).

  2. 2
    Notion Calendar

    Pro calendar for teams.

    vs Proton Mail: priced differently (Free vs Free tier).

  3. 3
    1Password

    Secure password manager.

    vs Proton Mail: priced differently ($3/user/mo vs Free tier).

  4. 4
    Todoist

    Simple task list.

    vs Proton Mail: priced differently ($4/user/mo vs Free tier).

  5. 5
    Miro

    Online whiteboard.

    vs Proton Mail: priced differently ($8/user/mo vs Free tier).