Internal Fitness App

Overview

A six-location gym group wanted members to book classes and track progress in one place. We built an iOS and Android app with class booking, streaks, and push reminders, plus an admin dashboard for studio managers.

Technologies Used

• React Native
• Node.js
• PostgreSQL
• Stripe
• Firebase Push
• AWS

The Challenge

Classes were booked through a third-party tool with a clunky experience. Members dropped off after the first month and managers had no clear attendance data.

Our Solution

1. 1

   One-tap class booking

   Members see live availability across locations and book or join a waitlist.

2. 2

   Streaks and milestones

   Visit streaks and small rewards give members a reason to come back.

3. 3

   Smart reminders

   Push reminders go out based on the member's usual class times.

4. 4

   Manager dashboard

   Attendance, no-shows, and class fill rates by location and instructor.

Results

• 14k active members within 6 months
• Class fill rate up from 61% to 84%
• Month-two retention up 18%
• Waitlist auto-fill recovered about 240 spots per month

Figures are rounded and describe the first months after launch.

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