Skip to content

Fastmail vs Mailbox.org: Pricing and Ratings Compared (2026)

Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Fastmail and Mailbox.org side by side. This page compares data; it is not a hands-on review.

On the data: On the data below, Fastmail leads on higher user rating; Mailbox.org leads on lower entry price. We do not name an overall winner for this pair.

Data comparison compiled by Toolradar, not hand-reviewed Methodology
Data comparison 154 user reviews compared Pricing checked Oct 19, 2026

Short on time? Here's the quick answer

Based on published vendor pricing and features and on public review data, here's who should pick what:

Fastmail

Fast, private, and reliable email and calendar hosting for individuals and businesses.

Best for you if:

  • • You want privacy focused email

Mailbox.org

Secure and private email, cloud storage, video conferencing, and office suite for individuals and businesses.

Best for you if:

  • • You want high level of data security and privacy with consistent encryption
At a glance: Fastmail vs Mailbox.org
At a Glance
Fastmail Fastmail
Mailbox.org Mailbox.org
Starts at
From $3/user/mo, billed monthly Standard plan
From $1/mo Light plan
Category
Email Productivity
Email Productivity
Rating
4.5/5 G2 4.2 · Capterra 4.9 28 reviews 3.8/5 Trustpilot 4.3 · G2 4.0 · SourceForge 1.3 126 reviews
Free plan
No No

Choose Fastmail or Mailbox.org?

Fastmail

Choose Fastmail if

  • You want privacy focused email
  • You want good features
Mailbox.org

Choose Mailbox.org if

  • You want high level of data security and privacy with consistent encryption
  • You want compliance with strict European data protection laws (GDPR)
  • Budget matters ($1/mo vs $3/user/mo, billed monthly)

In-Depth Analysis

Fastmail Fastmail

Fast, private, and reliable email and calendar hosting for individuals and businesses.

Good value

Fastmail's pricing is fair, especially for the 'Standard' tier at $5/user/month offering 100GB storage.

Strengths

  • Pro: Privacy focused email
  • Pro: Good features
  • Pro: Custom domains
  • Pro: Calendar included
  • Pro: No ads

Weaknesses

  • Con: Expensive vs Gmail
  • Con: Limited integrations
  • Con: Smaller ecosystem
  • Con: Storage limited
  • Con: No free tier

Key features

Email hosting Custom domains Calendar Contacts Privacy focused JMAP support

Mailbox.org Mailbox.org

Secure and private email, cloud storage, video conferencing, and office suite for individuals and businesses.

Good value

Mailbox.org offers a fair pricing structure, especially for those prioritizing privacy and security.

Strengths

  • Pro: High level of data security and privacy with consistent encryption.
  • Pro: Compliance with strict European data protection laws (GDPR).
  • Pro: Data stored exclusively in certified German data centers.
  • Pro: Comprehensive suite of tools (email, drive, meet, office) in one platform.
  • Pro: Sustainable operation with 100% green energy.

Weaknesses

  • Con: No free tier available, only a 30-day free trial.
  • Con: Pricing is per user, which might add up for larger teams.
  • Con: Focus on European data privacy might not be a primary concern for all global users.

Key features

Secure Email (Mail) Cloud Storage (Drive) Video Conferencing (Meet) Online Office Suite Calendar and Address Book Consistent Encryption (storage and transmission)

Plans and prices: Fastmail vs Mailbox.org

Plans and prices of Fastmail and Mailbox.org, as read on each vendor's pricing page. Each plan keeps its own billing unit.
Tool Plans and prices Source
Fastmail
  • Standard: $3/user/mo, billed monthly
  • Standard: $5/user/mo, billed monthly
  • Professional: $9/user/mo, billed monthly
fastmail.com/pricing read Oct 19, 2026
Mailbox.org
  • Light: $1/mo
  • Standard: $3/mo
  • Premium: $9/mo
mailbox.org read Sep 28, 2026

Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Fastmail pricing and Mailbox.org pricing.

Key Takeaways

Fastmail

  • Higher user rating: 4.5/5 vs 3.8/5

Mailbox.org

  • Lower entry price: $1/mo vs $3/user/mo, billed monthly

What the data shows

On the data below, Fastmail leads on higher user rating; Mailbox.org leads on lower entry price. We do not name an overall winner for this pair.

  • Fastmail has the higher user rating (4.5/5 from 28 reviews for Fastmail, 3.8/5 from 126 reviews for Mailbox.org).
  • Mailbox.org has the lower entry price: $1/mo (Light) against $3/user/mo, billed monthly (Standard) for Fastmail.

Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate

Frequently Asked Questions

How do Fastmail and Mailbox.org compare in 2026?

On the data below, Fastmail leads on higher user rating; Mailbox.org leads on lower entry price. We do not name an overall winner for this pair. Fastmail has the higher user rating (4.5/5 from 28 reviews for Fastmail, 3.8/5 from 126 reviews for Mailbox.org). Mailbox.org has the lower entry price: $1/mo (Light) against $3/user/mo, billed monthly (Standard) for Fastmail.

What are Fastmail and Mailbox.org used for?

Fastmail: Fast, private, and reliable email and calendar hosting for individuals and businesses. Mailbox.org: Secure and private email, cloud storage, video conferencing, and office suite for individuals and businesses.

What does Fastmail cost vs Mailbox.org?

Fastmail's cheapest paid plan is Standard at $3/user/mo, billed monthly. Mailbox.org's cheapest paid plan is Light at $1/mo. Prices read on the vendors' pricing pages, latest check Oct 19, 2026.

What's the main difference between Fastmail and Mailbox.org?

Fastmail's main strength: privacy focused email. Mailbox.org's main strength: high level of data security and privacy with consistent encryption.

Related Comparisons & Resources

Compare other tools