Fixed Price vs Time and Materials: Which Contract Fits Your Build?
The contract model quietly decides how your project will go. It determines who absorbs the unknowns, how change requests feel, and whether your development partner is rewarded for speed or for hours. Here is the honest comparison.
Published · 16.04.18
Fixed price: certainty in exchange for discipline
The studio commits to a defined scope for a defined price and carries the estimation risk. That is ideal for an MVP, a redesign or any project where the outcome can be described precisely up front.
The trade-off is discipline: changes mean a change order. That is not a flaw — it is the mechanism that keeps the price real. Vague requirements plus fixed price is how both sides end up unhappy.
Time and materials: flexibility in exchange for trust
You pay for the team's time and steer week by week. This suits ongoing product work, discovery-heavy projects and anything where priorities will legitimately change.
It only works with transparency: a weekly demo, a visible backlog and a burn you can predict. Ask for a cap per month and the right to stop with short notice.
What we recommend
Fixed scope and price for the first release, so you know exactly what launch costs. Then a monthly dedicated-team arrangement once the product is live and priorities come from real users. That combination gives you budget certainty when you need it and flexibility when it matters.
- Fixed price: MVPs, redesigns, well-specified integrations.
- Time and materials: ongoing development, R&D, live product iteration.
- Either way: you own the code, the accounts and the roadmap.
Frequently asked questions
Is fixed price more expensive?
It includes a risk buffer, so the headline number can look higher — but it caps your downside. For a clearly specified MVP it is usually the cheaper outcome overall.
Can I change scope in a fixed-price project?
Yes, through a change order that prices the change. Good partners keep a small flexibility allowance so minor adjustments do not need paperwork.