G2 Vendor Directory

K-9 Mail vs. Front

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

MetricK-9 Mail

by Opensource

Front

by Front App

Overall rating4.54.7
Review count132,527
Ease of use8.79.3
Ease of setup10.09.0
Quality of support8.69.2
Meets requirements9.09.2
NPS69.23076981.141238
Small Business46.2%48.4%
Mid-Market30.8%42.1%
Enterprise23.1%9.6%
Total page views1373,977
Total LLM citations948128,965

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

    Front

    Front is an AI customer operations platform built for the complexity of B2B customer relationships. It connects customer conversations, teams, AI agents, and tools on one platform so organizations can coordinate customer work across support, operations, customer success, account management, and other customer-facing teams. Front brings conversations across email, SMS, WhatsApp, live chat, social channels, and other connected channels into a shared workspace.

    Pros

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