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Head-to-head · Email Hosting

Zoho Mail vs Proton Mail

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score Zoho Mail #1 in Email Hosting 9.4/10 Free plan · 15-day trial Free planFree trial✓ 3 of 3 features Visit Zoho Mail
Proton Mail #5 in Email Hosting 8.8/10 Free plan Free planFree trial✓ 0 of 3 features Visit Proton Mail

Zoho Mail leads on 1 check, Proton Mail on 1, and 4 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 scoreZoho Mail · 9.4/10
  • Lowest starting priceZoho Mail · $1/user/mo
  • Free planboth
  • Free trialboth
  • Most featuresZoho Mail · 3 of 3

Zoho Mail scores higher on our rubric for email hosting: 9.4 against 8.8 out of 10; our editors rank them #1 and #5.

Zoho Mail is cheaper to start at $1/user/mo against $3.99/user/mo. Proton Mail leads on storage per mailbox: 15 GB versus 5 GB.

Zoho Mail is the better fit for businesses needing value and broad email tools. Proton Mail is the better fit for privacy-conscious users wanting polished encrypted email.

  • Zoho Mail fits best

    Businesses needing value and broad email tools

  • Proton Mail fits best

    Privacy-conscious users wanting polished encrypted email

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 Zoho Mail 9.4/10 Visit ↗ Proton Mail 8.8/10 Visit ↗
At a glance
Editor score 9.4 8.8
Ranking #1 in Email Hosting #5 in Email Hosting
Best for Businesses needing value and broad email tools Privacy-conscious users wanting polished encrypted email
Pricing model Free plan + paid Free plan + paid
Starting price $1/user/mo (best) $3.99/user/mo
Free plan ✓ ✓
Free trial 15 days 14 days
Free trial length 15 days · no card needed 14 days · no card needed
Deployment Cloud, Desktop, Mobile Cloud, Desktop, Mobile
Platforms Web, Windows, macOS, iOS, Android Web, Windows, macOS, Linux, iOS, Android
Support Email, Live chat, Phone, Tickets, Community, Docs · 24/7 Email, Live chat, Tickets, Docs
Compliance SOC 2, ISO 27001, GDPR, HIPAA, SSO/SAML, 2FA GDPR, 2FA
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Zoho Mail 3/3 · Proton Mail 0/3
IMAP/POP support ✓ (best) Not checked yet
Calendar included ✓ (best) Not checked yet
Migration tools ✓ (best) Not checked yet
Specs
Storage per mailbox 5 GB 15 GB (best)
Email aliases 30 aliases Not checked yet
Attachment limit 30 MB Not checked yet
Mobile app access Native Not checked yet
Our review
Pros
  • Forever-free plan supports up to 5 users and one custom domain
  • Migration tools support Google Workspace, Microsoft 365, Exchange, PST, and EML
  • Native web, Windows, macOS, iOS, and Android access
  • End-to-end encryption between Proton Mail users
  • Zero-access encryption for stored messages and attachments
  • Custom domains, aliases, filters, and tracker blocking
Cons
  • The free plan excludes IMAP, POP, and ActiveSync
  • Mail Lite and Mail Premium require annual billing
  • The free plan is limited to selected data centers
  • Free plan includes only 1 GB of storage
  • Custom domains require a paid plan
  • Bridge is needed for desktop email client access
Our verdict

Zoho Mail is hosted business email for organizations that need custom-domain addresses, mailbox administration, and integrated productivity features. It combines webmail with calendar, contacts, tasks, notes, bookmarks, aliases, spam…

Read the review →

Proton Mail is an encrypted email service for individuals, organizations, journalists, activists, and businesses. It provides web, desktop, and mobile applications across Windows, macOS, Linux, iOS, and Android. Proton Mail users can send…

Read the review →
  1. Zoho MailEmail Hosting 9.4Free plan · 15-day trial
  2. Proton MailEmail Hosting 8.8Free plan

Strengths and trade-offs

  • Zoho Mail — where it wins

    • Forever-free plan supports up to 5 users and one custom domain
    • Migration tools support Google Workspace, Microsoft 365, Exchange, PST, and EML
    • Native web, Windows, macOS, iOS, and Android access

    Where it doesn't

    • The free plan excludes IMAP, POP, and ActiveSync
    • Mail Lite and Mail Premium require annual billing
    • The free plan is limited to selected data centers

  • Proton Mail — where it wins

    • End-to-end encryption between Proton Mail users
    • Zero-access encryption for stored messages and attachments
    • Custom domains, aliases, filters, and tracker blocking

    Where it doesn't

    • Free plan includes only 1 GB of storage
    • Custom domains require a paid plan
    • Bridge is needed for desktop email client access
  • Zoho Mail9.4/10 · Free plan · 15-day trial

    A flexible business email suite with a free plan, low-cost entry tier, and migration support.

    Visit Zoho MailFull verdict →
  • Proton Mail8.8/10 · Free plan

    A polished encrypted email service with a capable free plan and paid custom-domain support.

    Visit Proton MailFull verdict →

More comparisons

All email hosting comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update