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MOBILE APP AGENCY

Mobile app design

An elegant, high-performing mobile app that turns your services into a real digital experience.


Mobile apps: a strategic lever to grow your business

Today, a large share of interactions with brands happens directly on a smartphone. A mobile app keeps your business present in your users' daily lives.

Much more than a digital tool, it creates a direct channel with your customers. Notifications, quick access to your services, a personalised experience: an app strengthens engagement and makes your products or services easier to use.

Built with a smooth experience, optimised performance and a scalable architecture, a mobile app becomes a real growth engine. It drives acquisition, builds user loyalty and opens the door to new digital services.

Structure
Architecture
user flow v2.4
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Sync API ↔ Backend
— UX architecture
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Bonjour, Alex
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M. Durand — 14 Rue Pasteur
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Canal direct
Push notification service
// WebSocket real-time
const ws = new WebSocket(
  "wss://api.app/live"
);
 
ws.on("message", msg => {
  notifications.push({
    title: "Nouveau RDV",
    badge: +1,
    sound: "default"
  });
});
 
// Sync every 30s
setInterval(() => {
  syncUserState();
}, 30000);
CONNECTED — LIVE SYNC
Parcours simplifié
Workflow utilisateur
✓
Création de compte
Inscription en 30 secondes
✓
Profil configuré
Préférences & alertes
3
Première réservation
Choix du créneau & service
4
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Validation & suivi en direct
Décrivez votre besoin...
Réserver un créneau
Engagement
Activité récente
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Rappel rendez-vous
Demain 14h — Consultation
5 min
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Service complété
Évaluation envoyée
1h
⭐
Nouvel avis reçu
5/5 — « Rapide et efficace »
3h
Interactions — 7 jours
LMMJVSD
Accès rapide
9:41●●●
Bonjour, Emma
Vos services
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Jeudi, 10h30
Diagnostic — Cabinet Rivière
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A mobile app designed around how it will be used

An effective mobile app must meet concrete goals and fit naturally into your users' experience.

Give quick access to your services
A clear, intuitive interface lets your users reach your features, content or services instantly from their smartphone.

Boost user engagement
A mobile app offers a more immersive, personalised experience. It encourages regular interaction and strengthens your relationship with your users.

Simplify actions and journeys
Forms, calls to action and optimised user journeys make it easier to turn visitors into prospects.

Create a direct channel with your users
Notifications, updates and built-in services keep a permanent link with your audience and support the evolution of your digital uses.

01 / 05

Our method

From idea to launch

  1. Defining the goals, target users and key features. We build the product vision before writing a single line of code.

    • Goals
    • Users
    • Features
    • Roadmap
  2. Wireframes, user flows and interactive prototypes. Every screen has a role, every interaction is designed for mobile use.

    • UX
    • Flows
    • Prototype
    • Testing
  3. Mobile-native art direction, UI components adapted for iOS and Android. High-fidelity mockups approved before development.

    • UI design
    • iOS
    • Android
    • Design system
  4. Native or cross-platform code, APIs, push notifications and optimised performance. Tested on real devices before every release.

    • Dev
    • API
    • Push
    • Testing
  5. Publishing on the App Store and Google Play, management training and metrics tracking to keep improving the app.

    • Stores
    • Training
    • Analytics
    • Updates

OUR PROJECTS

See our latest work

FREQUENTLY ASKED QUESTIONS

Got a question? We've got answers

How long does it take to develop a mobile app?

It depends on the complexity of the project, the expected features and the systems to connect. A simple mobile app can be built in 6 to 10 weeks, while a more complete project with user accounts, payments, geolocation or custom business logic usually takes several months of development.

Do you develop iPhone and Android apps?

Yes. We can build your app for iOS and Android to reach all your users. Depending on your goals, we choose the most relevant technical solution for good performance, a smooth experience and maintenance that stays under control over time.

How do you make sure the app will be easy to use?

User experience is built in from the design phase. We work on the structure, journeys, screen hierarchy and interface readability to deliver an app that is clear, intuitive and pleasant to use every day.

Can my app grow with my business?

Yes. We design apps that are built to evolve. You can later add new features, new screens, business modules or connections to third-party services as your business develops.

Can you connect the app to my existing tools?

Yes. A mobile app can be connected to many tools and services: CRM, APIs, databases, booking systems, e-commerce platforms, business software or payment solutions. The aim is to create a coherent, smooth ecosystem that is genuinely useful to your organisation.

Will I own my app after delivery?

Yes. On delivery, you own your app, its interfaces and the elements produced for the project, within the scope agreed together. We also hand over the necessary access to guarantee your autonomy and the long-term future of your digital tool.

TRUST US WITH YOUR DIGITAL PROJECT

We can't wait to discover your next challenge.

At Headshot, we love turning your projects into concrete, actionable, high-performing tools. We look forward to putting our expertise to work for your vision, so that together we build something that exceeds your expectations.

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