Best Email Productivity Tools in 2026

We've reviewed and ranked the top email productivity tools based on features, pricing, user ratings, and our hands-on testing.

Superhuman

Fastest email experience

⭐ 4.7/5

Visit Superhuman → $30/user/mo

Native macOS email client for Gmail

⭐ 4.7/5

Visit Mimestream → $4.99/mo

Smart email client

⭐ 4.5/5

Visit Spark Mail → Free/$8-$10/user/mo

AI email filtering that learns what's important

⭐ 4.5/5

Visit SanBox → $3.49-$5.99/mo

Bulk email cleaning and inbox organization

⭐ 4.4/5

Visit Clean Email → Free trial / $9.99/yr

AI-powered email client that bundles related messages

⭐ 4.4/5

Visit Shortwave → Free / $7-$14/mo

Opinionated email rethinking the inbox experience

⭐ 4.3/5

Visit HEY → $99/yr

Free, open-source email client with modern features

⭐ 4.2/5

Visit Mailspring → Free / $8/mo