The Exercise Clinic
A redevelopment of an app patients use as part of their care at the Royal Marsden
An app built on outdated, unreliable technology
The Exercise Clinic already had an app in active use by patients, but it was built on legacy technology that had become unreliable, limiting what the team could offer.
SOLUTION
A full redevelopment, not a patch
We rebuilt the app from the ground up. Patients log in through a magic link, then complete a weekly check-in on their exercise and wellbeing, with responses going straight to The Exercise Clinic's team.
RESULT
Launched, live, and in active clinical use
The redeveloped app is live and used by patients as part of their care at the Royal Marsden.
1 month
Brief to launch
At a glance
Sector: Health and fitness.
Platforms: Mobile app.
What we did: App redevelopment, UX and UI design.
Timeline: 1 month.
Client: The Exercise Clinic.
The challenge
The Exercise Clinic already had an app in active use, built around a simple but important idea: patients complete a weekly check-in on their exercise and wellbeing, and that information goes straight to the clinical team supporting them. The problem was the technology underneath it. The existing build was outdated and increasingly unreliable, which put real limits on what the team could offer patients who were relying on it as part of their care.
What we designed
We redeveloped the app from the ground up rather than patching the existing build. Patients log in through a magic link generated on the back end, removing the friction of remembering a password, particularly relevant given who the app serves. The core weekly check-in stayed simple and fast to complete, with responses reaching the clinical team on the same weekly rhythm as before, now on technology that’s actually reliable.
Results
The redeveloped app launched and is live today, used by patients as part of their care at the Royal Marsden.
Frequently asked
Why keep magic-link login instead of a traditional username and password?
Because the people using this app are patients, not always confident with technology, and often dealing with enough already without needing to remember another password. A magic link removes that friction almost entirely while still keeping access secure.
What was actually wrong with the previous app that made a full redevelopment necessary rather than an update?
The existing build sat on legacy technology that had become unreliable. Patching a foundation like that tends to just move the problem rather than fix it. A redevelopment meant the weekly check-in patients depend on could be rebuilt on something stable, rather than propped up further.
Why does a weekly check-in matter for patients on a structured exercise programme?
It gives the clinical team a consistent, current view of how someone is actually doing, rather than relying on the patient to raise concerns themselves or waiting for a scheduled appointment. For a programme built around structured exercise, that steady stream of information is part of how the support stays responsive.
Related services
Climate Week NYC replaced a white-label platform that attendees barely opened, so if you are weighing up the same decision, our guide to app redesign covers how to tell a structural problem from a cosmetic one. A free UX audit is the quicker way to find out where people are giving up on the app you already have. There is more on how we work as an app design agency in London, or get started and tell us about your event.