Uses that have become difficult
Screens, steps and rules have accumulated until everyday tasks become complex.
Application redesign · Gaspa BrusselsApplication redesign. Modernise the experience. Prepare for continuity.
Gaspa supports your web or mobile application redesign: journeys, interfaces and the technical foundation are reviewed together. We prepare improvements that make the product clearer and easier to maintain.
First 30-minute conversation · Free · No commitment
250
completed projects
4.96/5
Sortlist · 18 reviews
Your starting pointWhat is holding your application back today?
Improvements that cost too much
Code, dependencies or integrations complicate every product change.
An inconsistent experience
Versions, devices and journeys no longer describe the same behaviour.
Prepare the product’s next phase
We check journeys, data and integrations to retain before planning the transition.
THE PROCESS AT A GLANCE
- 01
Understand
Useful uses and limitations are identified.
- 02
Redesign
A target journey is tested with users.
- 03
Replace
The transition progresses through stages and checks.
An approach tailored to your context.
Modernise a journey. Preserve the service.
Imagine an application where creating a case has become complex. The journey is analysed, a new experience is tested and its replacement is prepared in stages, with necessary checks on data and use.
DiagnosisUX/UIGradual migrationRegression prevention
Understand
Useful uses and limitations are identified.
Redesign
A target journey is tested with users.
Replace
The transition progresses through stages and checks.
Illustrative example · Application redesign This scenario does not describe a client project.
How we support youFrom diagnosis to a controlled new release.
Each phase produces concrete deliverables. You see progress, understand the choices and approve the relevant points before moving forward.
Assess the current situation
01We review the product, its uses, access and service continuity constraints.
✓An intervention scope and priorities.
A combined diagnosis
02An analysis of uses and the technical foundation to distinguish symptoms from causes.
✓An understanding of uses and the existing foundation.
A target journey
03Prototypes of priority screens and a staged replacement strategy where possible.
✓A target journey validated with users.
A supported migration
04A transition plan, regression testing, monitoring and communication with users.
✓A prepared transition and defined checks.
Review with you
05Key scenarios, errors and exceptions are examined before the next phase.
✓Visible approvals and discrepancies addressed.
Document and follow up
06Decisions, interventions and monitoring points remain available to the team.
✓Continuity organised for the next phase.
Making the right choicesImprove, replace in stages or rebuild?
The choice depends on your users’ needs, the existing system and the cost of future development. We make the trade-offs clear before development begins.
A targeted improvement
01If the foundation remains usable, priority journeys and the most fragile parts can be addressed gradually.
✓Preserve what works and focus the effort.
A deeper redesign
02Replacement is justified when structural limitations prevent the expected uses and improvements.
✓Evaluate migration and continuity before deciding.
Key decisionsA redesign does not stop at new interfaces.
These decisions are reviewed with your team. They determine the possible uses, responsibilities and conditions for the next step.
Data and integrations
History, data models and exchanges with other tools are reviewed before replacing existing elements.
Testing and transition
Journeys to preserve, regression checks and rollback conditions are defined according to criticality.
User support
Communication, onboarding and pilot feedback help teams find their bearings in the new release.
CollaborationA prepared intervention, step by step.
A shared framework, demonstrations and explained decisions. Your team knows the next steps, expected deliverables and points to approve.
An approachable team
You know who manages, designs and develops your product. The right people join the conversation at the right time.
Clear checkpoints
You see progress regularly and approve screens, priorities and releases before the next step.
Decisions explained
Before taking action, we explain the impact on your budget, timeline and the product’s ability to evolve.
Step(01)
Diagnose
The scope, access, feasible checks and service continuity constraints.
WHAT WE DO
Gather the reported problems
Define the relevant journeys
Review available access
Identify dependencies
Clarify service continuity constraints
An explicit scope
An inventory of the existing system
Risks to examine
Prioritisation criteria
An intervention schedule
People involved
Project leadershipProject managerProduct DesignerYou and your stakeholders
What you approve
The scope, access, feasible checks and service continuity constraints.
The right expertise, a team that knows you.
Specialists are brought in according to the project’s needs; this introduction does not imply a fixed project team.
01Guillaume
Founder and project director
Strategy, discovery and leadership
02Luca
Lead developer
Architecture and development
03Hugo
Lead developer
Development and quality
04Matteo
Project Manager
Coordination and visibility
05Chiara
Project manager
Coordination, communication and follow-up
Client reviews4.96/5 ★★★★★
Sortlist · 18 reviews · checked 13/10/2026
Collaboration described by the people who experience it.
Our clients share what matters during a project: a team that is available, responsive and committed.
Read client reviews on Sortlist
We greatly appreciated the team’s availability and responsiveness, as well as their sincere commitment to understanding the specific needs of golf and meeting our requirements as closely as possible.
Valentin Outters
Alba Golf
An excellent experience with Gaspa Agency! A big thank you to the team for their professionalism and efficiency. The application was delivered on time, with a real ability to adapt and, above all, constructive suggestions.
Reda Belyazid
ProtectU
We appreciated Guillaume’s availability and the way his colleagues listened to us throughout our project.
Jules Gerard
Cupigo
Start a projectYour application can regain momentum.
No specification needed. Tell us about your idea, your current tool or the problem you want to solve. We will help you work out the next steps.
Free first conversationNo commitmentConfidential enquiry
4.96/5★★★★★
Sortlist
250
completed projects
Shall we discuss your project?
Guillaume Gasparini 
Founder of Gaspa
Before suggesting a solution or a team, we take the time to understand your needs, constraints and project goals.
Schedule a meeting“The team’s availability and responsiveness.”
Valentin OuttersHead of Product — Alba Golf AI
Frequently asked questionsApplication redesign: answers to help you move forward.
Yes, if the foundation and APIs support the expected uses. The diagnosis checks this possibility and identifies the technical changes needed for the new interface to work in practice.
Products and brands designed to evolve.
Axiom, Cupigo and Al Por Tres illustrate our work on product journeys, interfaces and identity. Expertise brought together to shape your project.
01Gaspa project showcase
SaaS platformVisual identity
Axiom
A digital ecosystem bringing together learning, content, live sessions and community.
02Gaspa project showcase
Cupigo
Mobile applicationProduct Design
Cupigo
A dating experience designed around real, time-limited interactions.
03Gaspa project showcase
AL POR TRES
Visual identity
Al Por Tres
A premium, welcoming identity for a brasserie within a padel club.