Alternatives to myMail box

Spark Mail is a cross-platform AI email client that sorts, summarizes, and drafts across Gmail, Outlook, Exchange, iCloud, Yahoo, and IMAP.

Free iOS email client for Hotmail, Outlook, Gmail, Office 365, iCloud, Yahoo and Exchange — unified, private, and ad-free.

Microsoft Outlook: unified email, calendar, contacts, and to-do across accounts, from free web and mobile apps to Microsoft 365 desktop clients.

Free iOS and Android email app that merges Gmail, Outlook, Yahoo, iCloud and Exchange into one inbox with 65GB of mail storage.

Newton Mail is a cross-platform email client with read receipts, snooze, send later, and shared threads for Gmail, Outlook, and IMAP

superReply is a Chrome extension that generates tone-matched AI email replies inside Gmail and Outlook Web. Free up to 90 replies a month.

Jace is an AI executive assistant that sits on top of Gmail and Outlook to organize your inbox, draft replies with full context, and run email-triggered

AI email assistant and tracking extension that runs inside Apple Mail, Gmail, and Outlook instead of replacing your inbox.

Free email with AI compose, thread summaries, and a Planner that turns messages into tasks and calendar events.

AI email rewriting tool for Gmail, Outlook, LinkedIn, and iOS with custom tones and Quick Replies.

Dimension was a proactive AI coworker for email, Slack and calendar work — now winding down May 20, 2026.

Scape is a Mac email client that drafts replies from your email and meetings and records calls locally.

Canary Mail is an AI email client with an on-device Copilot, PGP encryption, and a unified inbox for Mac, iOS, Windows, and Android.

Shortwave is an AI email assistant for Gmail that triages, drafts, schedules, and searches your inbox with Claude 4.6 models.

WebMail is an AI-assisted unified inbox that merges Gmail, Outlook, Yahoo, iCloud, and custom-domain accounts into one app on iOS, Android, macOS, and Windows.

Slashy is an AI email client that drafts replies in your voice, chases follow-ups, and schedules meetings

Shortwave is an AI email assistant and native client where Claude 4.6 agents manage triage, drafting, scheduling, and search in your inbox.

Fast, private email hosting with your own domain, calendars, contacts and files, plus Masked Email to hide your real address.

Stamp is an AI secretary for email and calendar that drafts replies in your voice, prioritizes your inbox, and books meetings.

Dwata is a private offline desktop search app for your emails, files, calendars and contacts.

A Google Workspace Marketplace add-on that turns bullet notes into polished Gmail drafts using Gemini, inside the tab you already have open.

AI Gmail add-on that auto-drafts contextual email replies in your voice, ready for your review before sending

Native Gmail client for iPhone, iPad and Mac, built on the Gmail API with multi-step custom actions

Replai is an AI email assistant that learns your writing style and drafts replies in your own voice, plus inbox triage and meeting notes.

Free Chrome extension that drafts email replies, Excel formulas, code, and marketing copy on any site via ⌘+U.

Chuck is an iPhone email client that batch-deletes thousands of messages in seconds using on-device AI — nothing leaves your phone.

Cora is an autonomous AI email assistant that connects to Gmail, drafts replies in your voice, and sends you twice-daily briefs.

Jetwriter AI is a personalized AI writing assistant extension that drafts email and message replies in your voice across Gmail, Slack, LinkedIn, and other

Superhuman is AI email, docs, and a proactive Go assistant whose agents run inside Slack and your other work apps.

SaneBox AI email management sorts your inbox into smart folders so you waste fewer hours on low-priority mail.