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Comparison · Secure email providers

Posteo vs Runbox: which is better in 2026?

Posteo84.5#4 in best secure email providersRunbox83.0#5 in best secure email providers

Posteo ranks higher in our list of secure email providers (#4 against #5, score 84.5 against 83.0), but the gap is small and the better choice depends on what you need.

  • 84.5
    Editorial score
    83.0
  • 1
    Platforms
    1
  • No
    Free to use
    No
  • No
    Open source
    No

Which should you choose?

Choose Posteo if you want

Ad-free, low-cost email with anonymous sign-up.

An ad-free account from 1 euro a month, with anonymous registration and optional encryption of stored data. The site lists no free plan, and only the web platform is listed.

Choose Runbox if you want

Norway-hosted email with PGP compatibility.

Norwegian hosting under Norwegian privacy law, browser PGP compatibility and renewable electricity. It has no free plan after the 30-day trial and lists only the web platform.

Side by side

PosteoRunbox
Score84.583.0
Rank in list#4 of 6#5 of 6
PriceSubscriptionAccounts from 1 euro per month, with 4 GB of storageSubscriptionPlans from 1.66 euros per month; 30-day free trial
Free to useNoNo
Open sourceNoNo
PlatformsWebWebWebWeb
Made byNot statedNot stated
EncryptionOptional encryption of stored dataPGP-compatible, full disk at rest
Hosting baseBerlin labNorway (Oslo)
Free planNoNo
Best forAd-free, low-cost email with anonymous sign-upNorway-hosted email with PGP compatibility
Strengths
  • Registration needs no personal details
  • Ad-free with no tracking or profiling
  • Email, calendar, address book and notes in one account
  • Hosted in Oslo under Norwegian privacy law
  • Browser PGP end-to-end encryption compatibility
  • Full disk encryption at rest, per its site
Limits
  • The site lists no free plan
  • Only the web platform is listed
  • No free plan after the 30-day trial
  • PGP needs key handling on the user side
LinksVisit site Visit site

Questions about Posteo vs Runbox

Is Posteo better than Runbox?
Posteo ranks higher in our list of secure email providers (#4 against #5, score 84.5 against 83.0), but the gap is small and the better choice depends on what you need. Posteo is best for: ad-free, low-cost email with anonymous sign-up. Runbox is best for: norway-hosted email with PGP compatibility.
Which is cheaper, Posteo or Runbox?
Posteo: Accounts from 1 euro per month, with 4 GB of storage. Runbox: Plans from 1.66 euros per month; 30-day free trial.
Do Posteo and Runbox run on the same platforms?
Posteo supports Web. Runbox supports Web.