💡 Pick it for stronger automatic sorting and support for multiple email providers.
SaneBox is an email management software that uses artificial intelligence to prioritize and organize your inbox.
Starting at $7/month
Best Silent Inbox for Gmail Alternatives ranked by AI · updated Aug 2026
Silent Inbox is a Gmail productivity tool that reduces inbox interruptions by controlling when messages appear and how notifications are handled. It is aimed at professionals who want to process email in focused batches rather than respond continuously.
Developer: Silent Inbox
Price: Free
🎯 workspace.google.com/marketplace/app/silent_inbox/236151031043
Top 6 Silent Inbox for Gmail alternatives
💡 Pick it when you also need scheduled sending and follow-up reminders.
Boomerang is a popular email productivity tool that offers email scheduling, reminders, and follow-up tracking.
Pros
- Feature-rich
- Works with Gmail and Outlook
Cons
- No standalone app
- Limited free plan
Starting from $4.99/month
💡 Pick it for cross-client email productivity and built-in tasks, templates, and tracking.
Mailbutler is a productivity extension for Apple Mail and Gmail that helps professionals and teams manage emails more efficiently.
Starting from $8.95/month
💡 Pick it for Gmail-based sales follow-ups, reminders, and recurring email sequences.
Right Inbox is a Gmail extension that helps you schedule emails, set reminders, track email opens, and create email templates.
Starts at $7.95 per month
5
Inbox Zero
Inbox Zero
💡 Pick it if you want free, open-source inbox automation and are comfortable with more setup.
Inbox Zero is an open-source email-management application that helps users triage, categorize, and automate inbox workflows. It is intended for technically minded...
Pros
- Free and open-source
- Offers more customizable automation than Silent Inbox
- Provides a transparent alternative for users concerned about proprietary services
Cons
- More setup and technical involvement than Silent Inbox
- Less polished for users wanting a simple Gmail extension
- Feature coverage and support can change faster than established commercial tools
Free, open source
💡 Pick it when Gmail quiet hours are part of a larger shared-support or team inbox workflow.
Hiver is a collaborative email platform that helps teams manage shared inboxes right from Gmail.
Starting at $14 per user per month
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