Mailbox.org vs ProtonMail: 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 Mailbox.org and ProtonMail side by side. This page compares data; it is not a hands-on review.
On the data: On the data below, Mailbox.org leads on higher user rating and lower entry price; ProtonMail leads on a free plan. We do not name an overall winner for this pair.
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:
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
ProtonMail
Secure email that protects your privacy with end-to-end encryption and zero-access encryption.
Best for you if:
- • You want a free tier before you commit
| At a Glance | Mailbox.org | ProtonMail |
|---|---|---|
Starts at | From $1/mo Light plan | Free plan, paid from $6.99/user/mo, billed monthly Mail Essentials plan |
Category | Email Productivity | Communication Email |
Rating | 3.8/5 Trustpilot 4.3 · G2 4.0 · SourceForge 1.3 126 reviews | 3.3/5 Trustpilot 2.2 · G2 4.6 1,495 reviews |
Free plan | No | Yes |
Watch out for | n/a | Storage upgrades not explicitly priced |
Choose Mailbox.org or ProtonMail?
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 $6.99/user/mo, billed monthly)
- You work in email, not communication
Choose ProtonMail if
- You want a free tier before you commit
- You want best privacy email
- You want end-to-end encryption
- You work in communication, not email
In-Depth Analysis
Mailbox.org
Secure and private email, cloud storage, video conferencing, and office suite for individuals and businesses.
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
ProtonMail
Secure email that protects your privacy with end-to-end encryption and zero-access encryption.
ProtonMail's pricing is fair, offering a generous free tier and competitive paid options.
Watch out
Storage upgrades not explicitly priced
Strengths
- Pro: Best privacy email
- Pro: End-to-end encryption
- Pro: Swiss jurisdiction
- Pro: Good apps
- Pro: No tracking
Weaknesses
- Con: Limited free tier
- Con: No IMAP free
- Con: Search limited
- Con: Less integrations
- Con: Encryption has limits
Key features
Plans and prices: Mailbox.org vs ProtonMail
| Tool | Plans and prices | Source |
|---|---|---|
| Mailbox.org |
| mailbox.org read Sep 28, 2026 |
| ProtonMail |
| now.getproton.me/iydcwevz9lm5-o3hzta read Nov 2, 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 Mailbox.org pricing and ProtonMail pricing.
Key Takeaways
Mailbox.org
- Higher user rating: 3.8/5 vs 3.3/5
- Lower entry price: $1/mo vs $6.99/user/mo, billed monthly
ProtonMail
- Has a free plan
What the data shows
On the data below, Mailbox.org leads on higher user rating and lower entry price; ProtonMail leads on a free plan. We do not name an overall winner for this pair.
- Mailbox.org has the higher user rating (3.8/5 from 126 reviews for Mailbox.org, 3.3/5 from 1,495 reviews for ProtonMail).
- Mailbox.org has the lower entry price: $1/mo (Light) against $6.99/user/mo, billed monthly (Mail Essentials) for ProtonMail.
- Only ProtonMail has a free plan.
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 Mailbox.org and ProtonMail compare in 2026?
On the data below, Mailbox.org leads on higher user rating and lower entry price; ProtonMail leads on a free plan. We do not name an overall winner for this pair. Mailbox.org has the higher user rating (3.8/5 from 126 reviews for Mailbox.org, 3.3/5 from 1,495 reviews for ProtonMail). Mailbox.org has the lower entry price: $1/mo (Light) against $6.99/user/mo, billed monthly (Mail Essentials) for ProtonMail. Only ProtonMail has a free plan.
What are Mailbox.org and ProtonMail used for?
Mailbox.org: Secure and private email, cloud storage, video conferencing, and office suite for individuals and businesses. ProtonMail: Secure email that protects your privacy with end-to-end encryption and zero-access encryption.
What does Mailbox.org cost vs ProtonMail?
Mailbox.org's cheapest paid plan is Light at $1/mo. ProtonMail's cheapest paid plan is Mail Essentials at $6.99/user/mo, billed monthly; it also has a free plan. Prices read on the vendors' pricing pages, latest check Nov 2, 2026.
What's the main difference between Mailbox.org and ProtonMail?
Mailbox.org's main strength: high level of data security and privacy with consistent encryption. ProtonMail's main strength: best privacy email.