Proton Mail vs Runbox

Proton Mail is an encrypted email service available on the web, Windows, macOS, Linux, iOS, and Android. Its free plan lists 1 GB of storage and one email address, although its FAQ says storage starts at 500 MB; the free tier is described as having the same security level as paid plans. The service uses end-to-end and zero-access encryption, with open-source apps and independent audits. It blocks email trackers and includes phishing and spam protection, password-protected messages, and link confirmation. Users can schedule, undo, or snooze emails and organize messages with folders, labels, and categories. Easy Switch imports email, calendars, and contacts from other providers. Paid plans support external email clients through IMAP and SMTP using Proton Mail Bridge. Mail Plus lists 15 GB of storage, 10 extra email addresses, and one custom domain. Paid subscriptions include a 30-day money-back guarantee, and the desktop app has a 14-day free trial. Paid plans display monthly billing; the listed starting price is 3.99 /user/mo.

Runbox is a paid email service from Runbox, founded in 2000 and headquartered in Oslo, Norway. It works on the web, iOS, and Android, and supports IMAP and SMTP. Listed features include end-to-end encryption, custom domains, and email aliases. The Micro plan provides 2 GB of email storage, 200 MB of file storage, one email domain, and 100 @runbox aliases; aliases on a user’s own domain are unlimited. Micro is €1.66 per month, displayed monthly and billed annually. Mini costs €2.91 per month with 10 GB email storage, 1 GB file storage, and five domains. Medium costs €4.16 per month with 25 GB email storage, 2 GB file storage, and 10 domains. Max costs €6.66 per month with 50 GB email storage, 5 GB file storage, and 25 domains. Runbox has no free plan and lists a 30-day trial.