what metrics would you use to evaluate superhuman's mobile app?

Introduction

Evaluating Superhuman's mobile app requires a comprehensive approach to product success metrics. To address this challenge effectively, I'll follow a structured framework that covers core metrics, supporting indicators, and risk factors while considering all key stakeholders. This approach will help us gain a holistic understanding of the app's performance and impact.

Step 1

Product Context

Superhuman's mobile app is an extension of their popular email client, designed to bring their signature speed and efficiency to mobile devices. The app aims to provide a seamless, lightning-fast email experience for power users on the go.

Key stakeholders include:

1. Users: Primarily busy professionals and executives seeking to manage their inbox efficiently
2. Superhuman team: Product managers, developers, and designers
3. Investors: Looking for growth and profitability
4. Partners: Email service providers and integration partners

User flow:

1. Login: Users authenticate using their existing Superhuman account
2. Inbox view: Users see a prioritized list of emails with AI-powered suggestions
3. Email actions: Users can quickly triage, respond, or schedule emails using keyboard shortcuts or gestures
4. Search: Users can find any email or attachment instantly using natural language search

The mobile app is crucial to Superhuman's strategy of providing a premium, cross-platform email experience. It competes with native email apps and other third-party clients like Spark and Edison Mail, differentiating itself through speed, design, and advanced features.

In terms of product lifecycle, Superhuman's mobile app is in the growth stage. It has established a strong user base but continues to expand its feature set and user adoption.