Runbox vs Zoho Mail

Runbox is a paid email service from Runbox, founded in 2000 and headquartered in Oslo, Norway. It works on the web, iOS, and Android, and supports IMAP and SMTP. Listed features include end-to-end encryption, custom domains, and email aliases. The Micro plan provides 2 GB of email storage, 200 MB of file storage, one email domain, and 100 @runbox aliases; aliases on a user’s own domain are unlimited. Micro is €1.66 per month, displayed monthly and billed annually. Mini costs €2.91 per month with 10 GB email storage, 1 GB file storage, and five domains. Medium costs €4.16 per month with 25 GB email storage, 2 GB file storage, and 10 domains. Max costs €6.66 per month with 50 GB email storage, 5 GB file storage, and 25 domains. Runbox has no free plan and lists a 30-day trial.

Zoho Mail provides custom-domain email hosting for businesses, with access through web, desktop and mobile apps. The free plan supports one domain and up to five users, each with 5 GB of mail storage; it excludes IMAP, POP and Active Sync. Paid plans start at $1/user/mo when billed annually, and a 15-day trial is listed. Security features include TLS, S/MIME and AES-256 encryption at rest, while administrative controls include role-based access, custom security policies, audit logs and eDiscovery. The service lists spam and phishing blockers, and Zia can draft replies and summarize long email threads. Zoho Mail MCP connects the service to AI apps. A migration tool can transfer emails, contacts and calendars from Google Workspace, Microsoft 365 or IMAP providers. Mobile apps combine email, calendar, contacts and files. Zoho says the service is GDPR compliant and has ISO/IEC 27001 and SOC 2 Type II certifications. Paid plans include 24×7 support by email, phone and live chat; the pricing comparison lists a 99.9% uptime guarantee for its plans.