G2 Vendor Directory

K-9 Mail vs. Spark for Teams

A side-by-side comparison based on G2 review data.

MetricK-9 Mail

by Opensource

Spark for Teams

by Spark Mail

Overall rating4.54.4
Review count1322
Ease of use8.79.5
Ease of setup10.09.5
Quality of support8.69.8
Meets requirements9.09.7
NPS69.23076959.090909
Small Business46.2%90.5%
Mid-Market30.8%9.5%
Enterprise23.1%0.0%
Total page views137158
Total LLM citations9482,426

K-9 Mail

K-9 is an opensource email client based on the Email application shipped with the initial release of Android. K-9 is focused on making it easy to chew through large volumes of email.

Pros

    Spark for Teams

    Spark for Teams is a collaborative email platform builds on the foundation of the Spark email app, which is widely recognized for its smart features that help users manage their email more efficiently. The primary goal of Spark for Teams is to enhance team productivity and streamline communication by offering several key features: 1. **Shared Inboxes**: Teams can collaborate on emails from shared addresses like support@ or info@, ensuring that all team members can access and respond to messages. 2.

    Pros

    • Email Management
    • Collaboration
    • Ease of Use
    • Conversations
    • Communication
    • Team Collaboration