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Head-to-head · Secure Email Providers

Tuta Mail vs mailbox

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score Tuta Mail #2 in Secure Email Providers 9.2/10 Free plan Free plan✓ 3 of 3 features Visit Tuta Mail
mailbox #6 in Secure Email Providers 8.2/10 30-day trial Free trial✓ 2 of 3 features Visit mailbox

Tuta Mail leads on 3 checks, mailbox on 0, and 3 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreTuta Mail · 9.2/10
  • Free planonly Tuta Mail
  • Free trialonly mailbox
  • Most featuresTuta Mail · 3 of 3

Tuta Mail scores higher on our rubric for secure email providers: 9.2 against 8.2 out of 10; our editors rank them #2 and #6.

Tuta Mail offers free plan; mailbox doesn't. Tuta Mail leads on mailbox storage: 20 GB versus 2 GB. Tuta Mail leads on email aliases: 15 aliases versus 3 aliases. On mail protocol support, mailbox gives you Imap_smtp where Tuta Mail offers None.

Tuta Mail is the better fit for users prioritizing deep encryption and privacy. mailbox is the better fit for low-cost secure hosting with client flexibility.

  • Tuta Mail fits best

    Users prioritizing deep encryption and privacy

  • mailbox fits best

    Low-cost secure hosting with client flexibility

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Tuta Mail 9.2/10 Visit ↗ mailbox 8.2/10 Visit ↗
At a glance
Editor score 9.2 8.2
Ranking #2 in Secure Email Providers #6 in Secure Email Providers
Best for Users prioritizing deep encryption and privacy Low-cost secure hosting with client flexibility
Pricing model Free plan + paid Paid
Starting price €3/user/mo €1/mo
Free plan ✓ (best) —
Free trial — 30 days
Deployment Cloud, Desktop, Mobile Cloud, Desktop, Mobile
Platforms Web, Windows, macOS, Linux, iOS, Android Web, Windows, macOS, Linux, iOS, Android
Features Tuta Mail 3/3 · mailbox 2/3
End-to-end encryption ✓ ✓
Custom domain ✓ ✓
Encrypted calendar ✓ (best) Not checked yet
Specs
Mailbox storage 20 GB (best) 2 GB
Email aliases 15 aliases (best) 3 aliases
Mail protocol support None Imap_smtp
Our review
Pros
  • Encrypts email content, subjects, attachments, calendars, and contacts
  • Open-source clients for web, desktop, Android, and iOS
  • Free plan plus paid custom-domain and offline-access options
  • Optional PGP and S/MIME encryption with spam and virus protection
  • IMAP, POP3, SMTP, CalDAV and CardDAV support
  • Six-platform coverage with custom domains on paid tiers
Cons
  • No IMAP or other mail-protocol access
  • No listed integrations
  • The free plan includes 1 GB storage and one calendar
  • No free plan is available
  • Light has 2 GB storage and three @mailbox.org aliases
  • Annual Light billing requires a €12 minimum deposit
Our verdict

Tuta Mail is a secure email service for individuals, families, businesses, journalists, activists, and organizations that prioritize privacy. It provides web, desktop, and mobile apps across Windows, macOS, Linux, iOS, and Android.…

Read the review →

mailbox is a Germany-hosted email and collaboration service for private individuals, families, businesses, and public-sector organizations. It combines webmail with PGP and S/MIME encryption, spam and malware filtering, aliases, calendars,…

Read the review →
  1. Tuta MailSecure Email Providers 9.2Free plan
  2. mailboxSecure Email Providers 8.230-day trial

Strengths and trade-offs

  • Tuta Mail — where it wins

    • Encrypts email content, subjects, attachments, calendars, and contacts
    • Open-source clients for web, desktop, Android, and iOS
    • Free plan plus paid custom-domain and offline-access options

    Where it doesn't

    • No IMAP or other mail-protocol access
    • No listed integrations
    • The free plan includes 1 GB storage and one calendar
  • mailbox — where it wins

    • Optional PGP and S/MIME encryption with spam and virus protection
    • IMAP, POP3, SMTP, CalDAV and CardDAV support
    • Six-platform coverage with custom domains on paid tiers

    Where it doesn't

    • No free plan is available
    • Light has 2 GB storage and three @mailbox.org aliases
    • Annual Light billing requires a €12 minimum deposit

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update