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Best 4SecureMail Alternatives in 2026

12 platforms from private email services ranked against 4SecureMail on the same published basis.

  1. 1
    Aster Mail Free plan Open sourceAndroidiOSLinuxMacWeb $2.42/mo6.8
    4SecureMail vs Aster Mail
  2. 2
    eclipso Mail Europe Free plan AndroidiOSMacWebWin €149/mo6.0
    4SecureMail vs eclipso Mail Europe
  3. 3
    Proton Mail Free plan WebWinMacLinuxiOS Free6.0
    4SecureMail vs Proton Mail
  4. 4
    Thelemail Free plan AndroidiOSMacWeb €2/mo6.0
    4SecureMail vs Thelemail
  5. 5
    Tuta Mail Free plan AndroidiOSLinuxMacWin €3/mo6.0
    4SecureMail vs Tuta Mail
  6. 6
    Mailo Free plan AndroidiOSWeb €1.50/mo5.9
    4SecureMail vs Mailo
  7. 7
    Mailfence Free plan WebiOSAndroid €2.50/mo5.8
    4SecureMail vs Mailfence
  8. 8
    Private-Mail WebWinMacLinuxiOS 5.7
    4SecureMail vs Private-Mail
  9. 9
    Disroot Email WebWinMacLinuxiOS 5.6
    4SecureMail vs Disroot Email
  10. 10
    MailZyro Web 5.6
    4SecureMail vs MailZyro
  11. 11
    Cock.li Free plan Web Free5.5
    4SecureMail vs Cock.li
  12. 12
    Secria Mail Free plan AndroidiOSWeb $0.21/mo5.5
    4SecureMail vs Secria Mail
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