AI Email Clients & Inbox
Email apps that triage, summarize, draft and speed up your inbox — Superhuman, Shortwave, Spark, SaneBox and more.
The top ai inbox tools in 2026 are Superhuman, Shortwave, SaneBox. Below, all 5 are ranked on capability, pricing transparency, fit, and traction.
Superhuman
AI Inbox · AI Email ClientThe fast, keyboard-first email client with AI triage, summaries and writing
Best for: Power users who want the fastest possible email with AI built in
Shortwave
AI Inbox · AI Email ClientAI-native email app for Gmail with an assistant that drafts, searches and organizes
Best for: Gmail teams that want an AI assistant living inside email
SaneBox
AI Inbox · Inbox TriageAI that triages your inbox by importance — works with any email provider
Best for: People who want AI triage without switching email apps
Spark Mail
AI Inbox · AI Email ClientSmart email app with AI writing, smart inbox and team collaboration
Best for: Teams that want shared inboxes and AI writing across devices
Missive
AI Inbox · Team InboxShared inboxes and team email collaboration with AI assistance
Best for: Teams that run shared mailboxes and want collaboration plus AI