Newton Mail is described as 'Newton is a fully featured mail client available for Android, iOS, macOS and Windows. Works for watch too. It's based on cloud so you can connect it to any account and get fast search, push notifications, read receipts (PREMIUM), etc' and is a popular Email Client in the backup & sync category. There are more than 25 alternatives to Newton Mail for a variety of platforms, including Windows, Mac, iPhone, Linux and Android apps. The best Newton Mail alternative is Thunderbird, which is both free and Open Source. Other great apps like Newton Mail are K-9 Mail, Microsoft Outlook, Evolution and Spark Mail.
Streamline your email experience by managing multiple accounts, integrating apps like Slack and Google Calendar, and using AI-driven features like drafting and spam prevention. Customize your workspace with themes, notifications, and tools for improved productivity and a modern interface.
Cross-platform email client supporting multiple identities, chat, and strong filtering. Extend functionality with add-ons like RSS/Atom feed readers and PGP support.
Most users think Thunderbird is a great Newton Mail alternative.
Thunderbird is the most popular Windows, Android, Mac & Linux alternative to Newton Mail.
Thunderbird is the most popular Open Source & free alternative to Newton Mail.
K-9 is an open source email client for Android with multi-folder sync, email signatures, Bcc-to-self, return-address configuration, keyboard shortcuts, Exchange Support, message flagging, IMAP deletes, saving attachments, configurable notifications and more.
K-9 doesn't support real time pushing and syncing among multiple devices.
Most users think K-9 Mail is a great Newton Mail alternative.
K-9 Mail is the most popular Android Tablet alternative to Newton Mail.
Streamline emails, calendars, contacts, and task management with a smart inbox prioritizing critical messages. Includes calendar scheduling, third-party app integration like Facebook, Dropbox, and Trello, and support for Microsoft Exchange, Outlook.com, and Gmail, ensuring efficient task and email handling.
open source. Easy to manage mail activities and other add-on services.
Most users think Microsoft Outlook is a great Newton Mail alternative.
Microsoft Outlook is the most popular Web-based, iPhone & iPad alternative to Newton Mail.
Microsoft Outlook is the most popular commercial alternative to Newton Mail.
Evolution is a personal information management application that provides integrated mail, calendaring, address book and task list functionality.
E-mail app with all the great features: swipes (long/short), snooze, add (multiple) attachments from the cloud, support for various e-mail services and more.
Has interesting features and makes the mail inbox less cluttered.
Almost everyone thinks Spark Mail is a great Newton Mail alternative.
eM Client is a full featured e-mail client with a modern and easy to use interface. eM Client also offers calendar, tasks, contacts, notes and chat.
Boost your productivity and send better email with Mailspring, a beautiful, fast email client for Mac, Windows, and Linux. Mailspring is free to use and an optional pro version adds read receipts, send later, reminders and more.
Access, view and manage messages from all your email accounts in one place. Categorize your messages into easy to browse categories. Catch up on email easily with Apple Intelligence powered Priority Messages and summarizations.
Streamline your email experience by managing multiple accounts, integrating apps like Slack and Google Calendar, and using AI-driven features like drafting and spam prevention. Customize your workspace with themes, notifications, and tools for improved productivity and a modern interface.
Geary is an email application built around conversations, for the GNOME 3 desktop.
Email and news client on GTK+ foundation featuring quick performance, extensible plugins, secure protocols, advanced filtering, strong folder and contact management, lightweight design, powerful search, customizable interface, multi-language support, and encryption.
BlueMail is a modern, mobile first, powerful Email management tool with a sleek design, unified inbox and support for all your accounts: IMAP,Exchange,POP3.
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Ugly UI but in terms of features and functionality, the best alternative I could find.