★★★★★
"NL Apps supported our ViaMichelin project perfectly: very interesting studies, high-complexity POCs, real mobile expertise. I fully recommend them."
Benoit Triconnet
CTO, ViaMichelin
For founders ready to launch
Launch a (truly) profitable app.
We design your app, launch it on both stores, and stay by your side well beyond your first revenue.
Fitaya
Top 9
Most profitable on Play Store
ViaMichelin
1.2M
Users
Solence
€1.6M
Raised
Beauté Privée
5M
Users
MonCrew
500+
Users on launch day
AbdSanté
Launching soon
Adencer
3,000+
Users
HalalTour
3,800+
Users
PregAI
Launching soon
The problem
90% of apps fail.
Rarely because of the code. Almost always because they're built before they're sold: the budget burns on features nobody asked for, instead of proving the market first.
What makes us different
We deliver a business, not just an app.
We validate your market before coding, build an app designed to convert, and stay at the controls after launch to keep it growing.
Until it makes money, we don't let go.
The framework
6 pillars of a profitable app
A profitable app never comes down to one lever. There are six, and we build yours with all six in mind, from day one.
01
Product
An app your audience actually wants, solving a real problem they'll pay for.
02
Acquisition
Reaching the right people at scale (ASO, SEO, ads, virality), without chasing them.
03
Conversion
Turning visitors into users, then into payers (onboarding that hooks, a paywall that sells).
04
Retention
Keeping users active and worth more over time. Keeping a user costs far less than winning a new one.
05
Revenue
Earning more per user without acquiring more (pricing, upsell, higher ARPU).
06
Propagation
Every user brings in the next (referrals, sharing, reviews).
How it works
Three steps, one path.
01
Validate
We confirm the market before writing a line of code.
02
Build
Design and develop your app, on both stores.
03
Grow
Launch and take it to your first paying users.
We stay by your side until first revenue, and well after.
Book a call →
Client reviews
They say it better than we do.
Real reviews, from real projects. Five stars, every single one.
★★★★★
"Everything was new to us. NL Apps understood our need for a clean design, built a consistent visual identity and delivered a clear, effective first version, milestone after milestone. At delivery, the team guided us with rigor and care all the way to the app being accepted on the stores. The 3 months of follow-up after delivery is a real plus. We recommend them without hesitation."
Marie
Co-founder, HalalTour
★★★★★
"We entrusted NL Apps with building our mobile app in Flutter. The work is high quality, the team quickly understands what you're after and adapts to your processes. We're happy with our collaboration."
Andreea Dumitrascu
Co-founder, Solence
★★★★★
"NL Apps built the first version of the MonCrew app. Excellent technical skills and project management, a view of the whole project, very good advice and remarkable responsiveness. I can only recommend them."
Pauline
Founder, MonCrew
★★★★★
"Serious, responsive and above all deeply invested in the project's success. NL Apps quickly understood my needs, proposed relevant solutions and brought improvements I hadn't thought of. Smooth, transparent communication from start to finish. I recommend them without hesitation."
Naim Abbas
Founder
★★★★★
"Project delivered quickly and impeccably. A team that is available, easy to work with, and quick to understand exactly what you need. Trust them with your project without hesitation."
Guy Capra
Entrepreneur
★★★★★
"A great encounter. An agency with a real sense of work and communication, very professional and full of good advice. On a code takeover, NL Apps brought genuine added value. I'd call on them again without hesitation."
Harold
Founder, NightHawk
★★★★★
"NL Apps took over the project quickly and delivered exactly what we expected."
Yvan Schwab
CEO, Esoftys
★★★★★
"Pragmatic and invested, even with the mess left behind by the previous developer. NL Apps really helped me out, I recommend them."
Samy Moumene
Entrepreneur
★★★★★
"Fast and effective work."
Iannis Couty
CTO, Waynium
Pricing
One build, priced upfront.
Start with Validation, it's deductible from your build.
Validation
$6,000
Your idea, tested by the market before you build.
- Project scoping & market analysis
- Clickable prototype
- Landing page with waitlist
- Costed launch plan, with a clear go/no-go
Launch
From $30,000
We build your app and guide you to launch.
- Strategy, UX/UI, iOS & Android
- Store optimization (ASO) & launch strategy (go-to-market)
- 3 months of maintenance: 0-bug guarantee
- 3 months of guidance and advice after launch
Co-pilot
From $48,000
Launch is just the start. We drive growth with you.
Everything in Launch, plus:
- Up to 6 months of co-piloting, side by side
- We run acquisition, conversion and revenue
- We don't let go until it makes money
Before we talk
We're not for everyone.
Let's be direct: it saves everyone time.
It's for you if
- You have an app idea and the ambition to turn it into a real business, not just one more app on the stores.
- You want a partner invested in your success, not a vendor executing a spec.
- You're ready to invest properly to do things right from day one.
- You're ready to launch: a serious, well-thought-out project, with the budget ready to go.
It's not for you if
- You're hunting for the cheapest quote, no matter what comes out the other end.
- You just want code. The business? Later, maybe.
- You don't have a budget yet: you're waiting on a grant, a loan, or a raise.
- You're here out of curiosity, not to launch. A not-fully-mature idea is fine, that's what we're here for. A tourist isn't.
Common questions
Before you book.
That's exactly what Validation is for ($6,000): scoping, a
clickable prototype, and a landing page with a waitlist. You'll know whether your market wants it
before investing more. And if we keep going together, that amount is deducted from your build.
It depends on the scope of your app. You get a precise
timeline during scoping, and you follow progress in real time on your steering dashboard.
Most of our clients aren't. We handle everything technical,
you follow it all from a real-time dashboard, and you reach us directly on Slack or WhatsApp. You
make the decisions, we take care of the rest.
You do, 100%. The code, the store accounts, the data:
everything is yours from day one. If we stop tomorrow, you leave with everything.
A freelancer delivers code. An agency delivers a project. We
commit to what comes next: the launch, the first users, the first revenue. And we've done it at
every scale, from Michelin to solo founders.
We don't disappear. Every build includes 3 months of free
maintenance with a 0-bug guarantee, plus one month of Propulsion, our growth offer. And when the app
makes money, we keep growing it with you.
The founder
Nahel Lachgar
Founder of NL Apps. Mobile developer and product partner.
For 7+ years I've shipped mobile apps at every scale, from global groups like Michelin, SNCF, EDF, Stellantis and Vinci to solo founders and funded startups.
I started NL Apps because I kept seeing the same story: the agency ships the app, sends the invoice, and disappears. The founder is left alone right when everything actually begins.
With NL Apps you don't brief an agency. You get one partner, committed to the result, from the first screen to the first dollar.
Get started
Turn your idea into a revenue-generating app.
Book a call below: every project is reviewed personally, and if your profile is selected, we contact you directly on WhatsApp or by phone.