Mobile App

DEVLUP

Cross-platform gamified application that centralizes management, educational tracking and communication within tennis clubs.

Flutter

Firebase

Supabase

Project illustration

General context

Tennis clubs are facing an inevitable digital transformation, but one that is often poorly supported. The market offers few solutions able to meet the needs of clubs, coaches, parents and players all at once, while adapting to the sport's specific coaching requirements.

Devlup was therefore created to offer a unified, gamified and scalable platform, designed from the outset to support the long-term growth of sports clubs.

IDENTIFIED CHALLENGES

Simplifying club management to save time

  • Schedule management
  • Simplified team coordination with multiple user permission levels (managers, coaches)

Improving family / club communication

  • Maintaining regular contact between families and clubs
  • Real-time tracking of students' progress by their family
  • Easier lesson booking: coaches' schedule accessible to families

Offering effective and engaging individual tracking

  • Progression levels inspired by judo belts
  • Individual or group assessments managed by teachers

Solutions implemented :

Design and UX - UI

  • Design system and visual identity:
Devlup visual identity color palette
Devlup typography: TikTok Sans typeface
3D tennis player characters created for Devlup
  • UI test mockup :
Devlup UI mockup: rewards, sessions and progression

Feature prioritization

Front-end interface

• Secure access to the dedicated space with login and password
• Multi-platform app: iOS, Android, Web
• Landing page with Devlup branding
• Multi-role: clubs, coaches, parents, players

User features

• Rating tools customizable by the coach: skill logbooks
• Level progression: star and color system
• Full assessment history
• Real-time notifications to families on progress updates

Admin interface

• User account creation with role and access definition
• Schedule management: lessons and camps, family invitations
• Subscription-based pricing after a free trial
• Management of annual or monthly subscriptions with no commitment
• Club statistics tracking

Development and testing

We work using the Agile methodology: features are split into development phases (sprints) of 1 to 4 weeks, and are delivered progressively for real-time client testing, fixes and validations.

At the end of the sprints, a hypercare period lasting 2 sprints allows clients to run tests on the finalized product and spot any remaining bugs or improvement requests.

Diagram of agile sprints with tests and fixes up to the final product

Devlup app launch on iOS and Android

DEVLUP app shown on desktop and mobile screens

THE Results

Connecting everyone involved in the club: managers, coaches, parents and players each get their own tailored interface within the same ecosystem.

Athletic progress made visible: simplified tracking for coaches, progress visible to families.

Player engagement boosted through gamification: a clear and playful view of students' athletic progress, motivating for the young players and reassuring for parents.

A growth lever for clubs: all the club's day-to-day tools in one place, simplified management and stronger student retention.

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