P.U.R.E. Coach App

An application to bring out the best in pupils and coaches, coupled with a unique methodology and connection with sports clubs.


Start-up P.U.R.E. Coach has the mission to let professional athletes perform better with the use of modern technology. P.U.R.E. stands for Power, Uniqueness, Resilience and Ethics. The P.U.R.E. methodology helps to identify individual needs and adds the right trainers where needed and tracks performance with the use of IoT devices. This iOS application had to perform as a hub for professionals where their career is centralised and updated continuously. Furthermore, there also had to be a trainer side of the app together witch its unique functionalities such as an overview of pupils activity, group training and a comparison of team players.

Goals & Challenges

The purpose of this particular prototype was to gather investors. With that funding, the start-up could develop the app. It was hard to keep the functionality of the app at M.V.P. level and satisfy investors. Furthermore, multiple stakeholders were involved with the process and results making it harder to define the most valuable functionalities. I was responsible for the user interface and the user experience of this application.


When seeking out for inspiration, we mostly looked for the way others display multiple statistics and how sportive apps look and behave.

P.U.R.E. Coach iOS App Inspiration

User Flow

The app turned out to have a lot of functionalities which is categorisable under 'Today', 'Training', 'Clubs', and 'Profile'. Based on the required features and these categories, I have created the following user flow. Based on this one, we created the trainers' view of the app, which is even more significant.

P.U.R.E. Coach iOS App userflow


After the flow, we created wireframes and digitalised them later on. We decided not to wireframe every screen as this was too time-consuming, considering the deadline. We created wireframes of the most primary screens and used this build blocks for the secondary ones.

P.U.R.E. Coach iOS App Wireframes


The app had to be a hub for all athletes. In doing so, they can not only set their own goals and see their statistics but also view their agenda, that of their personal trainer and the sports club. All these elements, together with the most recent feedback from their trainer, are present in one place on the home screen.

wireframe Pupil Hub

Of course, the hub is different for a trainer than for a pupil. That is why a trainer or coach has access to a more extensive environment than his pupils.

Trainers Hub

Goals and Statistics

Statistics are vital in the sports world for both the pupil as his trainer or coach. Detailed statistics can be viewed right from the home screen. Within the goals section, it is also possible to see the overview of a personal schedule.

P.U.R.E. Coach iOS App Statistics

Smart Ball

The app acts as an extension of the P.U.R.E. Smart ball. With the help of this ball, training can give a coach an exclusive insight into his pupils.

P.U.R.E. Coach iOS App Training

P.U.R.E. Methodology

The P.U.R.E. Methodology can pursue when a pupil has taken the P.U.R.E. Mindset Test. This test is a short test which is offered immediately after the onboarding and where the "growth" and "fixed" mindset can be determined. The result is directly visible for the coach after the test.

Sporter ≠ Trainer

There are two interfaces within the app. One from the pupil point of view and one from the trainer. Where the pupil receives a detailed overview of his progression and agenda, the trainer has a good overview of the progress of his/her pupils, club or team.

P.U.R.E. Coach iOS App Trainers View


Within the P.U.R.E. methodology, is it important that pupils can find sufficient and appropriate trainers to achieve specific goals. It is, therefore, possible for pupils to easily search for trainers, but trainers can also recommend other trainers easily.

P.U.R.E. Coach iOS App Pupils Control


Many pupils have a link to one or more clubs. By linking clubs to the app, it is possible to find the club agenda and compare themselves with teammates quickly.

P.U.R.E. Coach iOS App In-App Clubs

P.U.R.E. for Android Sneak Peek

The P.U.R.E. platform is supposed to be accessible for everyone anytime. Within the future, P.U.R.E. will also be available for Android. This is a sneak peek for the translation from Apple Human Interface to Google Material Design.

PURE Coach for Android App


I do still agree with the UI and UX fundamentals. Improvements I would apply is to add more gamification into the hub. Now, you set your personal goals, and the procrastination can be seen using the rings. I would've added a medal and supportive notification to remind the pupil of their goals. Pupils in a club have a score to compare themselves to others. This sort of gamification could also be added when doing training. Pupils could receive medals and achieved medals could be viewed later on by every club member.

Participants (on job description)

  • Orpheo Koulen - Chief Executive Officer
  • Kevin Brown - Chief Technology Officer
  • Orlando Welles - Chief Marketing Officer
  • David Brown - Head of Development
  • Robin Tepe - Digital Product Designer
  • Brian Schut - Interaction Designer
  • Axel Tichelaar - Sports Scientist
  • Patric Frimpong - Mental Coach
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