TRNR - Personal Trainers App (UI, UX, FE Code & BE Code)

Ross Hamilton

TRNR

TRNR is a personal passion project of mine I have been working on in spare evenings and weekends. The idea sparked for me during a session with my personal trainer Cory when I realised that he was just using the notes app on his phone to track my workout & fitness progress. As I client I would have loved to see my progress across time as well as being able to track workouts myself when not in a PT session. I was using 5 different apps (My Fitness Pal, Strong etc) to track my progress, all of which Cory had no access to. I had an in-depth chat with Cory about what he would love in a dream app he could use to run his own coaching business and that clients could also have access to. I got to work straight away building what has become TRNR. The one stop shop for personal trainers to run their entire business. From automated invoicing and accounts to tracking workouts, client nutrition and selling services online to expand beyond face-to-face clients and make money as they sleep.
Industry / Fitness & Personal Training
Scope of work / Solo Project (Design -> Deployment) / Full Stack / Back End Dev/
Front End Dev / UI / UX Design
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Posted Jun 23, 2025

Designed UI/UX & coded TRNR app, the one stop shop for personal trainers to grow their client base off and online. Want app UI designs like this? Hire me today.

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