Email Aqua Mail - Secure Inbox

Contains adsIn-app purchases
196K reviews
Content rating
Everyone
5M+
Downloads
Content rating
Everyone
Users Interact, In-App Purchases
Learn more
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About this app

Aqua Mail is a private, secure email client for Android. It brings Gmail, Outlook, Hotmail, Yahoo Mail, iCloud Mail, Exchange, and Office 365 into one unified inbox. It also works as an IMAP and POP3 mail client for almost any provider. Downloaded over 5 million times, it is a free, intuitive, and customizable email app, simple to set up and backed by fast, human support.

■ Which email accounts work with Aqua Mail?
Aqua Mail works with Gmail, Outlook.com, Hotmail, Yahoo Mail, iCloud Mail, AOL Mail, GMX, Fastmail, Yandex Mail, Exchange, and Microsoft 365. Zoho Mail works on paid plans with IMAP. Webmail and custom domain email work too, from any IMAP or POP3 mailbox with SMTP. Type your email address, whether it ends in @gmail.com or your own domain, and Aqua Mail detects the account type.

■ Can I see all my email in one inbox?
Yes. The Smart Folder is Aqua Mail's unified inbox and email organizer. It collects new mail from multiple email accounts into one list, so you can check Gmail, Yahoo Mail, Outlook, and Hotmail email in one place.

■ Does Aqua Mail work with Microsoft Exchange and Office 365?
Yes. Aqua Mail is a business email client for work email on Exchange, Office 365, and Microsoft 365. Exchange email, contacts, and calendars sync with any calendar app or widget on your phone. Office 365 email connects through Microsoft Graph for secure, reliable sync. Premium adds Push for Exchange for immediate mail delivery.

■ Is Aqua Mail a private, secure email app?
Yes. Aqua Mail is not a cloud-based email client: it does not collect or store your passwords, emails, or message content. Gmail, Yahoo, Hotmail, Yandex, and Outlook email accounts sign in with OAuth2, so Aqua Mail never sees those passwords. For email security, connections use hardened SSL with certificate tracking, and Aqua Mail checks DKIM and SPF to help verify senders. Lock the app with a PIN or fingerprint (on supported devices) and choose when it locks: immediately or after up to an hour. Premium adds S/MIME for safe, signed, and encrypted email.

■ How customizable is Aqua Mail?
300+ features let you tune Aqua Mail to the way you work:
• Swipe between emails and select all in one tap
• Dark mode, plus text size control with the volume keys
• Rich text editor with fonts, colors, quoting options, and attachments
• A different signature for each account, with HTML, images, and links
• Notification, mail checking, and battery-saving options

■ What else can Aqua Mail do?
• Home screen widgets show priority mail at a glance
• Offline email: read downloaded mail with no connection
• Wear OS support: read your mail on your watch
• Handle large attachments
• Save any email as a PDF
• Back up and restore settings via a file or the cloud (Dropbox, OneDrive, Google Drive)

■ Is Aqua Mail free?
Yes. Aqua Mail is free to download and use, with ads. Aqua Mail Premium adds:
• Unlimited email accounts
• No ads
• Push for Exchange
• Mail identities (unlimited aliases)
• Filters (rules) for Outlook mail accounts
• Priority notifications
• S/MIME end-to-end encryption
• Email backup, plus an EML viewer to open and save EML files
• Copy emails to folders and delete folders
• Move messages between accounts
• Unsubscribe from mailing lists
• Pin messages and set email reminders
• Scheduled backups

■ How do I get help with Aqua Mail?
Aqua Mail offers fast, responsive user support from its own team. Send any question, complaint, or ticket, and a real person will help you sort it out.

■ Who is Aqua Mail for?
People who want one email manager for a personal Gmail or Yahoo Mail account and a work Exchange or Microsoft 365 account. Small businesses on Zoho Mail and IT teams managing corporate email. Privacy-minded users who want a private email app that does not read their mail. Anyone looking for a stock email app replacement.

Aqua Mail is available in 20 languages and runs on Android 7 or later, on phones and tablets. Keep every email account in one fast, secure inbox.
Email app for Gmail, Yahoo, Outlook, Hotmail, iCloud, Office 365, IMAP & POP3
Updated on
Sep 14, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • This app may collect these data types
    Personal info, App activity and 2 others
  • Data is encrypted in transit
  • Data can’t be deleted

Ratings and reviews

181K reviews
Eric G
August 5, 2026
My favorite email app. I've tried switching to different email apps like Outlook and I always end up coming back to this app. Very customizable. So many apps seem opposed to customization now so it's nice to have one that allows it. This is still my favorite email app but unfortunately Microsoft retired a service and Outlook 365 won't work with it anymore. Not Aquamail's fault though.
17 people found this review helpful
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Aqua Mail Inc
August 5, 2026
Hello Eric, thank you for supporting our email client. Microsoft is moving Microsoft 365 access to OAuth/Graph as legacy methods are being retired. Aqua Mail fully supports the modern login process and Graph services. All accounts are fully supported. Could you write to us at support@aqua-mail.com? We'd love to help you troubleshoot.
Tim Backer
August 6, 2026
Aqua Mail has been my daily driver for a while now. Very stable, flexible, and predictable. Using two Microsoft accounts (business / personal). The only shortcoming is it seems to only receive mail on it's polling schedule, not via push. That may be a Microsoft / EWS issue. Now the unfortunate part. With the switch to the Microsoft Graph API to log into O365 accounts, account admins have to explicitly allow apps / permissions. My company won't, and is forcing me on to Outlook Mobile, which sucks
76 people found this review helpful
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Aqua Mail Inc
August 7, 2026
Hello Tim. Sorry for the frustration. Microsoft is retiring/blocking EWS for Microsoft 365 and requiring modern OAuth access through Microsoft Graph. Aqua Mail must use Graph to keep mail sync working securely. Admin approval is controlled by your company tenant, and Aqua Mail cannot bypass it.
David Scott
August 3, 2026
More and more enshitification. Emails disappear. Love when it shows message number indicators for empty folders and emails just disappear. It'd be nice if I STILL didn't have to manually check for new email every time, and the "persistent errors checking" all battery saver and sleep settings are off and I don't have this issue with any other app. Ridiculous you STILL can't stop a folder from syncing. May be time to look for something different.
24 people found this review helpful
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Aqua Mail Inc
August 4, 2026
Hello David. Sorry to hear that! Could you write to us at support@aqua-mail.com with more details of your issue? We'd love to help you troubleshoot.

What’s new

Fully optimized for Android 16.