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Head-to-head · Email Clients

Zoho Mail vs Roundcube

  • Updated Oct 2026
  • Both researched from official sources
  • 2 checks side by side
Higher score Zoho Mail #2 in Email Clients 9.2/10 Free plan · 15-day trial Free planFree trial✓ 0 of 4 features Visit Zoho Mail
Roundcube #7 in Email Clients 8.7/10 Free plan Free plan✓ 0 of 4 features Visit Roundcube

Zoho Mail leads on 0 checks, Roundcube on 0, and 2 are even. Who comes out ahead on the 2 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 · 9.2/10
  • Free planboth
  • Free trialonly Zoho Mail

Zoho Mail scores higher on our rubric for email clients: 9.2 against 8.7 out of 10; our editors rank them #2 and #7.

Zoho Mail is the better fit for organizations needing hosted mail and administration. Roundcube is the better fit for self-hosters wanting a dependable open-source webmail base.

  • Zoho Mail fits best

    Organizations needing hosted mail and administration

  • Roundcube fits best

    Self-hosters wanting a dependable open-source webmail base

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 9.2/10 Visit ↗ Roundcube 8.7/10 Visit ↗
At a glance
Editor score 9.2 8.7
Ranking #2 in Email Clients #7 in Email Clients
Best for Organizations needing hosted mail and administration Self-hosters wanting a dependable open-source webmail base
Pricing model Free plan + paid Free
Starting price $1/user/mo Free plan
Free plan ✓ ✓
Free trial 15 days —
Deployment Cloud, Desktop, Mobile Self-hosted
Platforms Web, Windows, macOS, iOS, Android Web
Support Email, Live chat, Phone, Tickets, Community, Docs · 24/7 Community, Docs
Built for Solo, Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features Zoho Mail 0/4 · Roundcube 0/4
Unified inbox Not checked yet Not checked yet
Offline access Not checked yet Not checked yet
Scheduled sending Not checked yet Not checked yet
Calendar tools Not checked yet —
Specs
App coverage Not checked yet Web
Account limit Not checked yet Not checked yet
Our review
Pros
  • Forever-free plan supports up to five users and one custom domain
  • Migration tools cover Google Workspace, Microsoft 365, Exchange, PST, and EML
  • Paid plans add calendar, storage, retention, encryption, and collaboration apps
  • Free, open-source deployment on a web server
  • IMAP folders, search, threading, identities, and address books
  • Plug-in API with PGP encryption support
Cons
  • The free plan excludes IMAP, POP, and ActiveSync access
  • Mail Lite and Mail Premium require annual billing
  • The free plan is available only in selected data centers
  • No native mobile applications
  • Calendar features are third-party additions
  • Multiple-account support is a third-party addition
Our verdict

Zoho Mail is a hosted business email service for organizations that need custom-domain addresses, mailbox administration, and integrated productivity tools. It combines webmail with mobile apps for iOS and Android, calendar, contacts,…

Read the review →

Roundcube is a browser-based, multilingual IMAP email client for people and organizations that want to host their own webmail. Its application-like interface covers message composition and management, MIME and HTML messages, responsive…

Read the review →
  1. Zoho MailEmail Clients 9.2Free plan · 15-day trial
  2. RoundcubeEmail Clients 8.7Free plan

Strengths and trade-offs

  • Zoho Mail — where it wins

    • Forever-free plan supports up to five users and one custom domain
    • Migration tools cover Google Workspace, Microsoft 365, Exchange, PST, and EML
    • Paid plans add calendar, storage, retention, encryption, and collaboration apps

    Where it doesn't

    • The free plan excludes IMAP, POP, and ActiveSync access
    • Mail Lite and Mail Premium require annual billing
    • The free plan is available only in selected data centers

  • Roundcube — where it wins

    • Free, open-source deployment on a web server
    • IMAP folders, search, threading, identities, and address books
    • Plug-in API with PGP encryption support

    Where it doesn't

    • No native mobile applications
    • Calendar features are third-party additions
    • Multiple-account support is a third-party addition

More comparisons

All email clients comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update