Fitness App
Personal Trainer Platform
A fitness blogger was manually creating individual training programs in Excel for each client, spending 70 minutes per new user. We automated the entire workflow with a mobile app and AI.
As the audience grew, the old model — calls with every client, bespoke spreadsheets, and months of follow-up over DMs and email — stopped scaling. The goal was to automate operations, protect time for content, and grow revenue.
Timeline
8 weeks
Project Type
Mobile app + web admin — from scratch
Tech Stack
Expo, Next.js
Budget
$14,000
Why we took this project?
A proven business with a bottleneck that software removes cleanly
A proven business with existing demand and a clear bottleneck — the trainer was the bottleneck. Technology could remove that bottleneck entirely and multiply revenue without adding workload.
- 1Ready audience — no paid acquisition needed, instant ROI
- 2Proven demand — the trainer had been earning consistently for years
- 3Clear automation opportunity: Excel + scattered chats → structured app
- 4We know expert-led businesses: how audiences convert and what founders need from product
The Task
Automate program creation, digitize progress tracking, and unlock new revenue streams through subscriptions — so the trainer can focus on content creation instead of manual client management.
- —Automate the grind — templates, reuse, and one-click assignment instead of bespoke Excel per client
- —Move measurements and progress out of messy chats into structured tracking clients actually use
- —Grow average revenue with subscriptions and tiers — not only one-to-one programs
Key Decisions & Features
Onboarding intake
A structured survey on day one improves signup completion and gives AI the inputs it needs to recommend the right program path.
Interactive Workout Player
Workouts play with video guidance, rep tracking, and background audio support. The player works with the screen off — essential for gym use.
Subscriptions & AI nutritionist
Multiple subscription tiers unlock extras — including an AI nutritionist that builds meal plans from profile data, training context, preferences, and budget.
Progress Diary & Calendar
Clients log measurements directly in the app. Push notifications remind users of scheduled workouts. The calendar view shows streaks and history, driving daily retention.
Trainer Web Admin
A full program builder where the trainer creates a workout once and assigns it in one click. AI auto-adjusts weights and reps per client based on their profile.
Results
70→2 min
Program Creation
Time to onboard a new client
3×
Revenue Growth
Average monthly income after launch
Subscriptions
New Revenue Stream
AI nutritionist & program tiers added