Your application already exists. It was built by an agency, a freelancer or an internal team — and today, for one reason or another, you are looking for someone else to take it over. The original developer is no longer available, timelines keep slipping, communication has broken down, or you simply feel you are paying more and more for less and less.
It is a very common situation, and far more manageable than it looks. Here is how we approach it.
”Is it risky to hand my code to someone who didn’t write it?”
That is the first fear, and it is a fair one. The honest answer: the risk is not switching providers, it is choosing someone who rushes.
Taking over code means, first of all, agreeing to live with decisions you did not make. A good successor starts by understanding, not judging. They run the existing application, read the code, identify what works — and tell apart what genuinely gets in the way from what they merely dislike. A provider who, on day one, offers to rebuild everything hasn’t understood you yet: they are selling their own comfort, not your interest.
What we do before touching the code
A serious takeover starts with a framing phase:
- Getting hold of what exists: the code, the access, the documentation (even incomplete), and getting the application running again on our side.
- Mapping what is there: the features, the dependencies, the fragile points, the real technical debt.
- Delivering once without breaking anything. The first value a successor brings is proving they command the ground — a small fix, an awaited update, a clean deployment.
Only after that phase can we tell you, with evidence, what deserves to be kept, fixed or redone.
Should everything be rewritten?
Almost never. Starting from scratch is tempting — it is more comfortable for the developer — but it is often the worst decision for you: you pay again for what already worked, and you reintroduce bugs that had been fixed over the years.
The right approach is surgical. On a health insurer’s mobile app we took over, the effort went into the 20% of the app where native genuinely changed the experience — the rest, which worked, was kept. On a booking platform, we first took over the existing system, then rebuilt only the front-end while the back-end stayed in place. And on a medical platform handling health data, two years on, the question of who wrote which part no longer even arises: the code became ours by virtue of maintaining it, without ever needing a rewrite.
A rebuild proposed on day one is an opinion. The same rebuild proposed after running the existing system in production is a diagnosis — and only one of those is something a client is right to pay for.
Signs a takeover is the right move
- Changes take longer and longer for less and less result.
- You no longer really know what your app does or how it is built.
- One person holds all the knowledge, and they are no longer available.
- Every iOS or Android update becomes a source of stress.
- You are not sure you actually own your code.
That last point deserves a check: your code should belong to you. With us, it always does, no exceptions.
How to start
A takeover always begins with a conversation and read access to the existing system. From there, we hand you a clear assessment: what works, what is stuck, and what we recommend — no jargon, and no pushing you toward a rewrite you don’t need.
It is the heart of our custom development work. Do you have an application to take over? Let’s talk: the first conversation is free and with no commitment.