Smart Inbox

Spark prioritizes your inbox, so you can focus on what’s important.

4.8 • 154K ratings
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Smart Inbox

Smart email

Spark automatically sorts new emails into personal, newsletter and notification categories for easy processing, placing emails from real people at the top of your inbox.

A new home for email

Windows Android Mac iPhone iPad Apple Watch

Smart. Focused. Email.

All your accounts in one place

Our Unified Inbox can display accounts separately, or as multiple accounts in one inbox - intelligently sorting priority and non-priority email.

Secure and private email

Spark guarantees security and data privacy. Your data is solely used for product optimization and is never shared with third parties. Data storage and encryption is secured through Google Cloud service. Learn more.

Spark productivity with focused features

Our core features are designed to heighten your focus and allow you to create customized workflows that suit your needs. Truly master your inbox and get the most out of your day.

Priority emails

Highlights important emails so that you never miss a message


Screen and block emails from unnknown senders

Group by Sender

Bundle emails from preferred senders for easy access

Mute threads

Mute threads that are no longer relevant
See all features

*Please be aware that during its current development phase, Spark is working toward feature parity between platforms. Therefore, the user experience of Spark MacOS, Windows, iOS or Android may vary.


Smart. Focused. Email.