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Catalog Email clients Newton Mail
Discontinued Newton Mail was discontinued in April 2020. The alternatives below are active products you can switch to. All discontinued →

Alternatives to Newton Mail

Subscription email with superpowers

It is proprietary, sold by subscription from $49.99/year and available on iOS, Android, macOS and Windows. 8 of 11 checklist rows are verified against a public source.

Subscription email with superpowers. Newton Mail has been discontinued; the active alternatives listed here are maintained products you can switch to.

Most compared with aercApple MailAqua Mail
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Who it's for

Professionals and small teams who manage multiple email accounts (Gmail, Outlook, Office 365, iCloud, IMAP) across desktop and mobile and want a unified, feature-rich client rather than each provider's native app.

What you get

A paid cross-platform email client (Windows, macOS, Linux, iOS, Android) with read receipts, send later, snooze, and inbox rules for auto-archiving, labeling, and forwarding. It adds collaboration features like thread sharing and reply-on-behalf, plus connectors to save emails to apps like Trello, Asana, Todoist, Evernote, and OneNote. A built-in calendar view, templates/snippets, and dark mode round out the feature set.

How it works

Users connect one or more existing email accounts to the Newton app on any supported platform, and the unified inbox syncs across devices under a single subscription; features like snooze, send later, and rules are applied per-message or set up as ongoing automations.

Why people leave Newton Mail

Dashed reasons are sourced facts; the rest are opinions. Vendors can dispute.

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Ranked alternatives

Ordered by Alt Score. Click any score to see the breakdown.

Sponsored Paid slot. Never affects the ranked order below. Promote here →
01
a

Modern terminal email for developers.

MIT LinuxmacOS
02

The built-in Apple mail client.

Proprietary macOSiOS
03

Configurable Android mail client.

Proprietary Android
04

Cross-platform unified inbox.

Proprietary WindowsmacOSLinuxiOS +2
05

PGP-capable mail with AI writing.

Proprietary WindowsmacOSiOSAndroid
06

Full-featured desktop client with one-time license.

Proprietary WindowsmacOSiOSAndroid
07

GNOME's full groupware client.

LGPL-2.1 Linux
08

Privacy-first Android email.

GPL-3.0 Android
09

GNOME's lightweight mail app.

LGPL-2.1-or-later Linux
10

Open source Android mail, now Thunderbird Mobile.

Apache-2.0 Android
11

Windows-first unified inbox.

Proprietary WindowsmacOS
12
M

Open source client with read receipts.

GPL-3.0 WindowsmacOSLinux
13

Native macOS client for Gmail.

Proprietary macOS
14

Shared inboxes and team email collaboration.

Proprietary WebWindowsmacOSiOS +1
15

The terminal mail power tool.

GPL-2.0 LinuxmacOS
16

Microsoft's mail and calendar client.

Proprietary WindowsmacOSiOSAndroid +1
17

Power-user desktop mail (acquired by eM Client).

Proprietary macOSWindows
18

AI-first Gmail client from ex-Googlers.

Proprietary WebmacOSWindowsiOS +1
19

Smart inbox with team comments.

Proprietary WindowsmacOSiOSAndroid
20

Speed-obsessed premium email.

Proprietary WindowsmacOSiOSAndroid +1
21

Veteran secure Windows mail client.

Proprietary Windows
22

Mozilla's open source desktop mail.

MPL-2.0 WindowsmacOSLinux
Sources & verification 13

Every fact and feature listed for Newton Mail is verified against its own pages. Each alternative is sourced on its own page.

FAQ

Yes. aerc, Apple Mail and Aqua Mail have a free tier or are fully free. Free-tier limits in the comparison table are verified and dated.

aerc, Evolution and FairEmail — every license claim links its source.