Aventique - mobile application development agency
Our expertise: developing your mobile application from A to Z:
– UI/UX Concept and Design.
– Mobile app development connected to its backend (or APIs).
– Final testing and publication on Apple and Google stores.
– Post-launch maintenance.
We develop your mobile applications natively with Swift for iOS and Kotlin for Android, or hybrid with React Native or Flutter.
Deliverables:
- Scoping workshops + MVP backlog (user stories)
- Mockups / prototype (UX) + UI kit (if necessary)
- Development + backend / API integration
- Test plan + QA + store publication
- Technical documentation + handover + TMA (Maintenance)
Mobile Development Agency: Our End-to-End Support
If you are looking for a mobile development agency, Aventique is your ideal partner to transform your idea into a high-performance application. Our global approach ensures that every euro invested generates measurable value for your business and your users.
From Idea to Launch: Comprehensive Guidance
Every mobile app project starts with a strategic scoping phase. We organize collaborative workshops to understand your business goals, identify target users, and build a prioritized MVP backlog. This step optimizes your time-to-market and return on investment.
Our team of UI/UX designers then transforms your vision into concrete interfaces, compliant with iOS and Android standards. We create wireframes followed by high-fidelity mockups, developing interactive prototypes to validate user journeys before development.
Technical Development and Integration
Our developers master all mobile development technologies: Swift and Kotlin for native, React Native and Flutter for cross-platform. We integrate your application into your existing digital ecosystem (backend, APIs, CRM, ERP) seamlessly and securely. The code produced is clean, documented, and 100% proprietary.
Before production, our QA teams perform rigorous testing (functional, compatibility, performance, security) across various devices. We then manage the entire publication process on the App Store and Google Play, from ASO optimization to effective launch.
Maintenance and Long-term Evolution
Launch is just the beginning. Our mobile agency provides corrective, evolutionary, and adaptive maintenance for your application. We implement monitoring tools (Firebase, Crashlytics) and guarantee reactive technical support via dedicated SLAs.
Whatever your profile (startup, SME, large corporation), we adapt our collaboration model: fixed price, agile, or staff augmentation. You maintain full visibility through regular demos and transparent project tracking.
Projects / Case Studies
SEPHORA – Beauty Mobile Application
Context: Team reinforcement for the mobile app of the world leader in beauty.
Scope: Native iOS (Swift) • Native Android (Kotlin) • Mobile & web QA
Team: 2 iOS devs • 2 Android devs • 1 QA Engineer (nearshore Agile SCRUM)
Results: Onboarding in 2 weeks • Active participation in sprints • Top 10 App Store ranking
CLIENT REVIEWS
“An excellent collaboration with Aventique, with whom we have been working directly for over a year. Very happy with the value delivered by their consultants/developers on our e-commerce app.”
Alexis Marçais
IT Director E-Commerce & CRM (EME) – SEPHORA
RESTOPOLITAN – Restaurant Loyalty Mobile App
Context: Launch of a mobile application to strengthen loyalty and user experience for a subscription-based restaurant startup.
Scope: Cross-platform mobile app (React Native) • UI/UX • API & legacy systems integration • Notifications & geolocation.
Team: UI/UX Designer • React Native mobile developers • Dedicated project manager (Agile methodology).
Results: App adopted from launch • Significant increase in retention rate • Unified web/mobile experience • Automation of bookings and customer benefits.
A Tailor-made Approach, Regardless of Your Profile or Industry
Whether you are a large corporation, a mid-cap, an SME, or a startup, we adapt to your context and needs with the right collaboration model: fixed-price project, agile mode, or staff augmentation (technical assistance).
Thanks to the variety of clients we have supported, we can advise you regardless of your industry—e-commerce, retail, health, industry, automotive, innovative services, luxury, media, real estate, insurance, banking—and above all, we take into account your business challenges and target audience.
Hybrid Mobile Development
Is your development project targeting both iOS and Android? Do you want to launch an MVP or a POC? Do you also have budget constraints? We suggest building your app with hybrid technology: React Native or Flutter.
These technologies allow, with a single source code, the creation of a mobile application that works on both iOS and Android, thereby reducing development costs by approximately 25%.
Hybrid Development Performance in Numbers
- 25% Cost Reduction: A single source code for iOS and Android saves on development and maintenance resources.
- 40% Faster Time-to-Market: Simultaneous launch on both platforms versus sequential deployment in native.
- Massive Adoption: 42% of new mobile apps in 2024 use React Native or Flutter (Stack Overflow Survey).
- Mature Ecosystem: Over 500,000 active apps use React Native, including leaders like Instagram, Facebook, Discord, and Shopify.
Real-world Use Cases:
Companies like Bloomberg, Alibaba, and eBay have adopted hybrid development to accelerate growth, seeing a 50% reduction in time-to-market and a unified team instead of two distinct iOS/Android teams.
The Difference Between React Native and Flutter
For React Native:
- Native Cross-platform Interface: UI components that automatically adapt to iOS and Android guidelines.
- Near-native Performance: Optimized architecture with the new Hermes engine.
- Rich Library: Access to over 100,000 npm modules to extend functionality.
- Hot Reload: Accelerated development with real-time updates.
For Flutter:
- Consistent Design System: Material Design and Cupertino widgets for a unified experience.
- Guaranteed 60fps Performance: Skia graphics engine for ultra-smooth animations.
- Customizable UI: Total design freedom without platform constraints.
- Native Compilation: Code transformed into ARM binary for optimal performance.
Native Mobile Development
Native development—meaning source code for iOS with Swift and another for Android with Kotlin—can be relevant in the following situations:
– No budget constraints related to the extra cost of development per platform (iOS and Android).
– The client wants to “de-risk” dependence on a non-native technology whose longevity could be questioned at any time.
– Need to quickly integrate new features added by Apple and Google. Hybrid solutions are less reactive to new updates than native SDKs.
Native Development Performance in Numbers
- 30% Higher Performance: Native iOS (Swift) and Android (Kotlin) apps offer unmatched fluidity compared to hybrid solutions.
- Adoption by Leaders: 87% of the top 100 App Store apps use native development.
- Immediate Updates: Access to new Apple and Google APIs from Day 1 (vs. 3-6 months wait for hybrid frameworks).
Real-world Use Cases:
Companies like Airbnb, Uber, and LinkedIn migrated back to native after testing hybrid, noting a 40% reduction in crashes and a 25% increase in user engagement.
What We Offer:
For iOS (Swift):
- User interface compliant with Apple’s Human Interface Guidelines.
- Native integration of FaceID, Apple Pay, HealthKit, ARKit.
- Optimal performance across the entire Apple ecosystem (iPhone, iPad, Apple Watch).
For Android (Kotlin):
- Material Design 3 for a modern experience.
- Compatibility with the Google ecosystem (Wear OS, Android TV, Android Auto).
- Multi-device optimization (smartphones, tablets, foldables).
Our Technologies
We prioritize modern, reliable, and proven technologies:
React Native and Flutter for multi-platform development (Android & iOS with a single codebase),
Swift and Kotlin for 100% native applications,
Node.js, Nest.js, or Laravel for high-performance and scalable back-ends,
Firebase or AWS for hosting and scalability management.
Our technical architects always choose the technology best suited to your goals, resources, and maintenance constraints.
iOS/Android Development: Native vs Cross-platform
| Criterion | Native (Swift/Kotlin) | Cross-platform (Flutter/RN) |
|---|---|---|
| Budget | Higher (2 source codes) | Optimized (~ -25%) |
| Performance | Maximum (direct hardware access) | Very good (slightly lower) |
| Time-to-market | Longer (double development) | Fast (single development) |
| OS New Features | Immediate (Day 1) | Delayed (3–6 months) |
| UI/Animation Complexity | Ideal for complex interfaces | Very good, few limitations |
| Maintenance | 2 codebases to maintain | 1 single codebase |
| Sustainability | Guaranteed by Apple / Google | Depends on third-party framework |
Why Choose Aventique for Your Mobile App
Because we put the client’s needs at the heart of the process.
We don’t just develop; we design useful, reliable, and profitable solutions.
Each project is led by an experienced project manager, supported by a specialized technical team, and backed by clear commitments: transparency, quality, meeting deadlines, and long-term support.
Our ambition: that your application becomes a driver of sustainable growth, not just a technical product.