Mailu alternatives · Email
Mailu alternatives with an Android app
The Mailu listing does not include an Android app. 52 of the 125 other email apps in this directory list an Android app.
Mailu is free to use. 35 of them are free or have a free plan.
52 tools · Listings checked up to Nov 13, 2026 · Where the facts come from
The 12 closest to Mailu
- 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). Mailu is free.
- Mailu 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.
- Paid
Zimbra
Self-hosted email, calendar and file sharing for organizations
- Mailu has a free plan. Zimbra does not.
- Only Zimbra lists Windows, macOS, Linux, iOS and Android apps.
- Zimbra also covers tasks and calendar.
- Mailu also covers dMARC.
- 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. Mailu 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.
- Mailu is self-hostable, according to its own site.
- Free
Thunderbird
Free, open-source email app for Windows, macOS, Linux and Android
- Thunderbird is free. Mailu is free.
- Only Thunderbird lists Windows, macOS, Linux and Android apps.
- Only Mailu lists a web app.
- Mailu 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). Mailu 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.
- Mailu is self-hostable, according to its own site.
- Free plan · from $7.49 one-time
FairEmail
Open source, privacy-oriented email client for Android
- FairEmail starts at $7.49 one-time (pro features, US Google Play in-app purchase). Mailu is free.
- Only FairEmail lists an Android app.
- Only Mailu lists a web app.
- FairEmail is end-to-end encrypted, 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). Mailu is free.
- Only SimpleLogin lists iOS and Android apps.
- Only SimpleLogin lists a browser extension.
- Mailu also covers email client and dMARC.
- 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). Mailu is free.
- Only addy.io lists iOS and Android apps.
- Only addy.io lists a browser extension.
- Mailu also covers email client and dMARC.
- Free
K-9 Mail
Open source email client for Android, now moving to Thunderbird
- K-9 Mail is free. Mailu is free.
- Only K-9 Mail lists an Android app.
- Only Mailu lists a web app.
- Mailu is self-hostable, according to its own site.
- Free plan · from $8/mo
CTemplar
Encrypted, anonymous email hosted in Iceland
- CTemplar starts at $8 per month. Mailu is free.
- Only CTemplar lists iOS and Android apps.
- CTemplar is end-to-end encrypted, according to its own site.
- Mailu 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). Mailu is free.
- Mailu 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). Mailu is free.
- Only Spark Mail lists macOS, Windows, iOS and Android apps.
- Only Mailu lists a web app.
- Mailu is open source and self-hostable, according to its own site.
40 more that list an Android app
- Shortwave
- Missive
- HEY
- Gmail
- Microsoft Outlook
- Yahoo Mail
- Fastmail
- Zoho Mail
- Canary Mail
- Spike
- eM Client
- BlueMail
- Edison Mail
- StartMail
- Mailfence
- Newton Mail
- Mailo
- Neo Mail
- Titan Email
- GMX Mail
- FlowCrypt
- AOL Mail
- Mail.com
- WEB.DE
- Aqua Mail
- Nine
- IceWarp
- AtomicMail
- Cloze
- SaneBox
- Front
- Help Scout
- Hiver
- Clean Email
- Unroll.Me
- Boomerang
- Mailbutler
- Drag
- Zoho TeamInbox
- Cleanfox
Common questions
Which Mailu alternatives have an Android app?
Inbox Zero, Zimbra, Proton Mail, Thunderbird, Tuta Mail, FairEmail, SimpleLogin, addy.io and 44 more list an Android app.
Does Mailu have an Android app?
The Mailu listing does not include an Android app. It lists Web.
Which of these email apps are free?
Proton Mail, Thunderbird, Tuta Mail, FairEmail, SimpleLogin, addy.io, K-9 Mail, CTemplar and 27 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 Mailu: the alternatives its listing names first, then the tools that share the most features with it.