Fitness coaching · Peru
JohoFit: the coach leaves Excel and clients see their progress
Assessments, workouts, nutrition and memberships in a role-based system, with invitations and announcements on WhatsApp.
The leak
The coach tracked assessments, workouts, meal plans and membership expirations by hand. Clients couldn't see their plan or progress, announcements went out one by one and email invitations landed in spam.
What we built
- Role-based portals: admin, coach and client.
- Initial assessment and progress photos.
- Training programs and nutrition plans.
- Memberships with renewal, pause and expiration alerts.
- WhatsApp announcements to clients who opted in, invitations with a sign-up button and opt-out with one word.

Demonstration images with sample data.
Result
- to build the full system
- 3 stages
“We used to spend hours handling Excel files and Google Sheets; now everything is super fast. A few clicks or finger taps from my phone are enough to run my gyms. The dedication of Arturo and his team has been key to the big change I am implementing at JohoFit. Now I can focus more on giving my clients better service.”
Jefferson Mendez · Owner and CEO, JohoFitHow we built it
An API on AWS Lambda with Amazon DynamoDB and Amazon S3 for photos and reports, and a Next.js web app. Messages go through the official WhatsApp API with templates approved by Meta.
Technology
- AWS Lambda
- Amazon DynamoDB
- Amazon S3
- Next.js
- WhatsApp Cloud API
Does your business have a similar leak?
Book a call and we will tell you how we would solve it in your case.





