The most powerful platform for email productivity in a beautiful native app — on desktop and mobile.
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Thunderbird is not available for iPhone but there are plenty of alternatives with similar functionality. The best iPhone alternative is Microsoft Outlook. It's not free, so if you're looking for a free alternative, you could try Spark Mail or Apple Mail. If that doesn't suit you, our users have ranked more than 100 alternatives to Thunderbird and many of them are available for iPhone so hopefully you can find a suitable replacement. Other interesting iPhone alternatives to Thunderbird are Meron, Canary Mail, BlueMail and TypeApp.
The most powerful platform for email productivity in a beautiful native app — on desktop and mobile.



Productivity-centered email application streamlines inbox management, uses AI for drafting responses, automates snippets, summarizes conversations, enables timely sends, integrates calendar and CRM, and includes collaborative features like live views and comments.



Macro is the open source company OS - channels, email, docs, tasks, crm, and AI in one workspace - that's self-hostable and AGPLv3 licensed.







Stoop is a dedicated inbox for subscription content, including email newsletters and video channels, helping keep your personal email uncluttered. It operates without algorithms, allowing for a focused interaction with content.






Supamail AI turns hundreds of emails in last 24 hrs into clear summaries, smart categories, and easy replies so you never feel overloaded again.




TabMail is available as a standalone iPhone email client and an AI assistant add-on for Thunderbird. It works with existing Gmail, Outlook, iCloud and IMAP inboxes, offering suggested replies, conversational editing, email triage and chat with your inbox.




A privacy-first, offline-first email client that puts you back in control. No ads, no tracking, no compromises.



Full support for general mail protocols to help you manage all your mailboxes on your phone.



AI email client that sorts your mail into Needs You, FYI, and Noise, builds your day in a Today view, and drafts replies in your voice.


