Application development expertsSince 2018

Custom mobile, web and AI application development.

30 experts to design, build and maintain your custom mobile, weband AI applications.

4.9/ 54.9 out of 5 rating
200+projects delivered
8years in business
Anniversary8 years

8 years of success,
by your side.

8 years of passion, boldness and innovation! Projects, challenges and successes. All thanks to you.

Since
2018
Years
08
THANK YOU!
Clients

They trust us.

Startups, mid-caps, large enterprises, public sector: Kosmos Digital supports organisations of every size in building their application.

Team

Entrust your project
to our app experts.

Our experts in application development build your project, delivering superior technical and functional quality within shorter timeframes.

Kosmos Digital team — portrait 1
Kosmos Digital team — portrait 2
Kosmos Digital team — portrait 3
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Kosmos Digital team — portrait 5
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Kosmos Digital team — portrait 6
15
Experts
100+
Projects delivered
78%
Loyal clients
4.9/5
Average rating
Learn moreRequest a quote
Services

Discover our services and offerings.

Benefit from comprehensive, multidisciplinary expertise to support you through the design, development and maintenance of our applications.

Mobile application

iOS, Android, Flutter, React Native
  • Scoping and follow-up
  • Programming
  • Visual design
  • Security
  • Technical design
  • Maintenance

Web application and SaaS

Vue, React, Next, Django, Node, etc
  • Scoping and follow-up
  • Programming
  • Visual design
  • Security
  • Technical design
  • Maintenance

Complex algorithms and AI

Génération, Vision, Prédiction, Data, BI & Dataviz et Automatisation
  • Technical design
  • Sécurité
  • Programming and prompting
  • Integration

Back-office, CMS and CRM

Tailor-made back-office, CMS and CRM
  • Scoping and follow-up
  • Programming
  • Visual design
  • Security
  • Technical design
  • Maintenance

Custom backend

IoT, API development, web services
  • Scoping and follow-up
  • Security
  • Technical design
  • Maintenance
  • Programming
Tech Stack

The best technologies for your applications.

We master the best services and technologies to build, maintain and scale your application.

Let's discuss your projectRequest a quote
Code modules

Cut your app's cost by 40% thanks to our 50 modules of AI-augmented AI code.

We build your application at prices 40% below the market average, thanks to our 50 modules that are ergonomic, intuitive and fully customisable, augmented by AI.

Communication
Map
Map
Navigation
Navigation
Video chat
Video chat
Audio chat
Audio chat
Live chat
Live chat
Stories
Stories
Videos
Videos
Security & data
Photos
Photos
Authentication
Authentication
Security
Security
Payment
Payment
E-commerce
E-commerce
News feed
News feed
Notifications
Notifications
UX & usage
Search
Search
Sort & filter
Sort & filter
Comments
Comments
Ratings & reviews
Ratings & reviews
Forms
Forms
Settings
Settings
Profiles
Profiles
Business & logistics
Meeting
Meeting
Transport
Transport
Delivery
Delivery
Network
Network
Freight
Freight
Matchmaking
Matchmaking
+ 30 more
Discover our packagesRequest a quote
Our AI stance

AI-augmented approach, supervised by experts.

We use artificial intelligence as a lever for acceleration and optimisation within our technical processes, while keeping strong human oversight on every strategic phase of the project.

AI improves productivity. It does not replace:

  • field experience
  • architectural expertise
  • understanding business stakes
  • technical governance
  • complex trade-offs
  • cybersecurity
  • operational accountability

Beyond visual and technical design, as well as AI-augmented programming, our teams act as a layer of validation, quality control, security hardening and steering, to ensure reliable, scalable deliverables that can operate in real-world environments.

Blog

Our latest articles.

Explore the digital world through our articles covering the latest trends and tips of the digital field.

View all articles
Press

They talk about us.

Explore the mentions and analyses that spotlight our work and our innovations across the business and tech press.

Free quote · no commitment

Let's discuss your project.

Describe your project. Our team replies within 24 hours with free technical scoping, along with a clear estimate of costs and timelines. No commitment.

  • Reply within 24 hours from a project manager
    or engineer.
  • Technical scoping and quote, with no fees.
  • No commitment, your data stays
    confidential.
Quick estimate

Free scoping & estimate in under an hour

Describe your project and we'll get back to you with a costed estimate and a roadmap.

Request
Call us
01 76 50 66 44
Monday to Saturday, 9 AM to 6:30 PM
Get a callbackContact us