Roundcube alternatives · Email
Roundcube alternatives with an iPhone and iPad app
The Roundcube listing does not include an iPhone and iPad app. 56 of the 125 other email apps in this directory list an iPhone and iPad app.
Roundcube is free to use. 38 of them are free or have a free plan.
56 tools · Listings checked up to Nov 13, 2026 · Where the facts come from
The 12 closest to Roundcube
- Paid
Zimbra
Self-hosted email, calendar and file sharing for organizations
- Roundcube has a free plan. Zimbra does not.
- Only Zimbra lists Windows, macOS, Linux, iOS and Android apps.
- Zimbra also covers tasks and calendar.
- Free trial · from $3/mo
Fastmail
Paid, ad-free email with calendar, contacts and custom domains
- Fastmail starts at $3 per user / month, billed yearly (Basic); Individual is $5, billed yearly. Roundcube is free.
- Roundcube has a free plan. Fastmail does not, though it has a free trial.
- Only Fastmail lists Windows, macOS, Linux, iOS and Android apps.
- Roundcube is open source and self-hostable, according to its own site.
- Free trial · from $18/mo
Inbox Zero
Open source AI email assistant for Gmail and Outlook
- Inbox Zero starts at $18 per user / month, billed annually ($20 billed monthly). Roundcube is free.
- Roundcube has a free plan. Inbox Zero does not, though it has a free trial.
- Only Inbox Zero lists macOS, Windows, iOS and Android apps.
- Only Inbox Zero lists a browser extension.
- Free plan · from $3.99/mo
Proton Mail
End-to-end encrypted email service based in Switzerland
- Proton Mail starts at $3.99 per month, billed every 12 months ($47.88); $4.99 billed monthly. Roundcube is free.
- Only Proton Mail lists macOS, Windows, Linux, iOS and Android apps.
- Proton Mail is end-to-end encrypted, according to its own site.
- Roundcube is self-hostable, according to its own site.
- Free plan · from €3/mo
Tuta Mail
End-to-end encrypted email and calendar from Germany
- Tuta Mail starts at €3 per month, paid yearly (lowest paid personal plan). Roundcube is free.
- Only Tuta Mail lists Windows, macOS, Linux, iOS and Android apps.
- Tuta Mail is end-to-end encrypted, according to its own site.
- Roundcube is self-hostable, according to its own site.
- Free plan · from $36/yr
SimpleLogin
Open-source email aliases that forward to your own inbox
- SimpleLogin starts at $36 per year ($4 billed monthly). Roundcube is free.
- Only SimpleLogin lists iOS and Android apps.
- Only SimpleLogin lists a browser extension.
- Roundcube also covers email client.
- Free plan · from $1/mo
addy.io
Email alias forwarding that hides your real address from sites
- addy.io starts at $1 per month, billed yearly (Lite). Roundcube is free.
- Only addy.io lists iOS and Android apps.
- Only addy.io lists a browser extension.
- Roundcube also covers email client.
- Free plan · from $8/mo
CTemplar
Encrypted, anonymous email hosted in Iceland
- CTemplar starts at $8 per month. Roundcube is free.
- Only CTemplar lists iOS and Android apps.
- CTemplar is end-to-end encrypted, according to its own site.
- Roundcube is self-hostable, according to its own site.
- From $25/mo
Superhuman Mail
Keyboard-driven email client for Gmail and Outlook with built-in AI
- Superhuman Mail starts at $25 per member / month, billed annually ($30 billed monthly). Roundcube is free.
- Roundcube has a free plan. Superhuman Mail does not.
- Only Superhuman Mail lists macOS, Windows, iOS and Android apps.
- Only Superhuman Mail lists a browser extension.
- Free plan · from $8.25/mo
Spark Mail
Email client with a unified smart inbox, AI tools and team features
- Spark Mail starts at $8.25 per user / month, billed annually ($99 / year). Roundcube is free.
- Only Spark Mail lists macOS, Windows, iOS and Android apps.
- Only Roundcube lists a web app.
- Roundcube is open source and self-hostable, according to its own site.
- Free plan · from $18/mo
Shortwave
AI email client for Gmail with an assistant, filters and split inbox
- Shortwave starts at $18 per seat / month (Pro, the individual plan). Roundcube is free.
- Only Shortwave lists macOS, Windows, iOS and Android apps.
- Roundcube is open source and self-hostable, according to its own site.
- Shortwave also covers chat assistant, AI search and templates.
- Free trial · from $14/mo
Missive
Team email client with shared inboxes, internal chat and rules
- Missive starts at $14 per user / month, billed yearly ($18 billed monthly). Roundcube is free.
- Roundcube has a free plan. Missive does not, though it has a free trial.
- Only Missive lists macOS, Windows, iOS and Android apps.
- Roundcube is open source and self-hostable, according to its own site.
44 more that list an iPhone and iPad app
- HEY
- Gmail
- Microsoft Outlook
- Apple Mail
- Yahoo Mail
- Zoho Mail
- Canary Mail
- Spike
- eM Client
- Airmail
- BlueMail
- Edison Mail
- Mailfence
- Newton Mail
- Polymail
- Extra
- Marco
- Mailo
- Hushmail
- Neo Mail
- Titan Email
- GMX Mail
- FlowCrypt
- AOL Mail
- Mail.com
- WEB.DE
- Aqua Mail
- Nine
- Twobird
- IceWarp
- AtomicMail
- Cloze
- Temp Mail
- SaneBox
- Front
- Help Scout
- Hiver
- Clean Email
- Unroll.Me
- Boomerang
- Mailbutler
- Drag
- Zoho TeamInbox
- Cleanfox
Common questions
Which Roundcube alternatives have an iPhone and iPad app?
Zimbra, Fastmail, Inbox Zero, Proton Mail, Tuta Mail, SimpleLogin, addy.io, CTemplar and 48 more list an iPhone and iPad app.
Does Roundcube have an iPhone and iPad app?
The Roundcube listing does not include an iPhone and iPad app. It lists Web.
Which of these email apps are free?
Proton Mail, Tuta Mail, SimpleLogin, addy.io, CTemplar, Spark Mail, Shortwave, Gmail and 30 more are free or have a free plan.
When was this checked?
Each listing shows its own date. On this page they run from Oct 4, 2026 to Nov 13, 2026. Vendors change prices and plans without notice, so confirm on their site before you buy.
This page is built from the listings. A tool is here because its listing says so, and the order is how close each is to Roundcube: the alternatives its listing names first, then the tools that share the most features with it.