Software that fits the way you work
Many organisations run on a mix of spreadsheets, notebooks, WhatsApp threads and software that doesn’t connect. It works, until information gets lost, mistakes pile up and nobody knows which version is the right one.
Custom software brings everything into one place. It captures your rules, your documents and your steps, and makes them easy for everyone to follow. At Sonalys, a custom software development studio based in Douala, Cameroon, we build these tools for companies, professional practices, non-profits, schools, founders and freelancers.
Examples of what we build:
- a tool to manage customers, files or orders;
- an online customer portal to track a request or make a payment;
- a back-office to run a mobile app;
- a dashboard that brings your key figures together;
- an invoicing, inventory or scheduling tool that follows your own rules.
Your software can also connect to the tools you already use: mobile money payments such as Orange Money and MTN MoMo, email, SMS, WhatsApp, PDF or Excel exports. And if your data lives in spreadsheets today, we import it so you don’t start from scratch.
We also think about the people who will use it every day. Screens are kept simple, wording is clear, and each user only sees what they need. A good tool is one your team adopts without a week of training.
Our process: see your software grow every week
Software development should never be a black box. Our process lets you approve every step.
- Day 0 — free conversation. You describe your business, your pain points and what you expect from the tool.
- Days 1 to 3 — clickable mockup. You click through the screens of your future software and approve or change them before any development.
- Step-by-step development. We build the software module by module, with a demo every week.
- First testable version in 15 to 30 days at most. You and your team use it on real cases.
- Adjustments, go-live and new features. We fix, put the software online and add features as your needs evolve.
You stay in control from start to finish, and you don’t pay for features nobody will use.
A team powered by AI
We work with AI as a full member of the team. It speeds up coding, helps us write automated tests and keeps documentation clear. Everything is reviewed and approved by a developer before it reaches you.
The result: shorter timelines and better-tested software, always under human supervision. It is one of the reasons a first testable version can arrive within weeks rather than months.
A real example: Continuum
For a medical practice in Switzerland, we built Continuum, a complete system:
- a patient app (daily question, health score, treatment reminders, appointments, and an AI assistant that answers based on the patient’s follow-up);
- a bilingual website;
- the practice’s back-office, where the team follows patients and manages everything.
This project shows what we do best: custom software that ties together a mobile app, a website and an internal management tool, delivered entirely remotely.
A remote development team for clients worldwide
We are based in Cameroon and work with clients in Africa, Europe and worldwide. Our current projects run in Cameroon and Switzerland.
- WhatsApp for everyday questions;
- video calls for key decisions;
- weekly demos to see and test progress;
- English or French, depending on your team.
For a European company, an offshore development team like ours is a straightforward way to get responsive developers, regular check-ins and a close time zone. For an organisation in Cameroon or elsewhere in Africa, it means a local partner who understands your context, payment habits and constraints.
What you get
A custom web app, online and accessible from a computer or a phone, with access tailored to each role. It can be extended with a mobile app for your customers or field teams, and with business process automation for repetitive tasks such as reminders, documents and reports.
Because the software is yours, it can keep evolving as your organisation grows: new modules, new users, new countries.
Let’s talk about your tool
Tell us how you work today and what slows you down. After a free first conversation, you get a clear proposal: scope, timeline and price. Then you decide, with no commitment.