One essential journey
We identify the main action your customers need and make it smooth.
Discuss your projectSaaS MVP · Paris
SaaS MVP development in Paris
Have an idea for online software and want to test it with real customers? We build a useful first version, paid if needed, without spending your budget on secondary features.
01What your MVP includes
What your MVP includes
Accounts and subscriptions
Sign-up, login, customer areas and online payment, ready for your first users.
Usage tracking
Track sign-ups and key actions to learn what works before investing more.
02From idea to first customer
From idea to first customer
Scoping workshop
Problem, audience, must-have features and what waits for later.
Mockups
Key screens validated with you, and ideally with a few future customers.
Development
A live version within weeks, with regular demos.
Launch and iterations
Go-live, early user feedback, priority improvements.
03See our work
SaaS products built by Kreapp
An agent that prospects for you
A sovereign AI agent that searches, qualifies, writes and follows up: CRM, emails, sequences and meetings in a single GDPR-compliant app.
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Rent a campervan in minutes
A campervan rental platform in Mallorca: online booking, deposit, signed contract and condition reports.
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Make every alert actionable
A client portal that surfaces urgent actions at the right moment and clarifies every step of the journey.
Explore the projectHi, how can I help you?
I can manage your clients, tasks and meetings, draft emails, find documents and more.
Unreplied emails (48h+)All caught up — no emails are overdue for a reply.
Alerts234 overdue tasks10 tasks due in 3 days
My overdue tasksClient summaryThis week's meetingsDraft an emailPipeline overviewCreate tasksFind a documentExport clients
04Further reading
Further reading
Entrepreneur guide
How to Create an App in 2026: The Entrepreneur's Guide
Want to create an app without being a developer? Follow the steps to validate your idea, choose web or mobile, plan the costs and launch a first version in Paris or beyond.
Budget & ROI
Budget & ROI — What Does a SaaS App Really Cost with Lovable?
Three budget models (DIY, freelance, agency), three ROI scenarios and the hidden costs nobody mentions: the realistic budget of a SaaS launched with Lovable in 2026.
Case study
Case Study — Building a SaaS CRM in 8 Weeks with Lovable
The previous posts were theory. Here is the real week-by-week breakdown of a SaaS CRM launched in 8 weeks with Lovable — scope, costs and the traps we avoided.
05Frequently asked questions
Frequently asked questions
What is a SaaS MVP?
The smallest version of your software that already delivers real value to customers. It validates market interest before you invest further.
How fast can my MVP go live?
We aim for a usable first version in six to eight weeks depending on scope, and three months at most.
Do I own the code?
Yes. The code and data are yours, so the product can evolve with us or another team.
How much does an MVP cost?
It depends on scope. We give you a clear estimate after a free first call.
Ready to test your SaaS idea?
One conversation is enough to define your MVP scope.
Talk about your project