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Skip or Ship — Glossary
Problem-Solution Fit
Problem-solution fit is the stage at which you have confirmed a real, urgent problem exists and that your proposed solution genuinely addresses it — the milestone before product-market fit.
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Key facts
- Definition
- Problem-solution fit is the stage at which you have confirmed a real, urgent problem exists and that your proposed solution genuinely addresses it — the milestone before product-market fit.
- Category
- Validation
- Also known as
- solution fit
- Calculate it
- Validate your idea
What Problem-Solution Fit means in practice
Problem-solution fit comes first in the sequence. It establishes two things: that a specific group has a problem urgent enough to act on, and that your intended approach would actually resolve it. Only afterwards does product-market fit ask whether the built product wins in the market at scale.
The distinction matters because the two are validated with completely different evidence. Problem-solution fit is confirmed through customer conversations, existing workarounds and pre-commitments — usually without a finished product. Product-market fit requires a real product with real usage, measured through retention curves and organic growth.
Skipping this stage is the most expensive sequencing error available. Building first and seeking the problem afterwards means months of work before the fundamental question gets asked, and by then sunk cost makes an honest answer much harder to accept.
Worked example
Establishing problem-solution fit for a clinic scheduling tool before writing any code.
- 12 interviews with clinic managers reveal 5+ hours weekly lost to manual scheduling.
- 9 of 12 already use a workaround — a shared spreadsheet plus phone calls.
- A mocked-up workflow is shown; 7 say it would replace their workaround.
- 4 pay £150 for early access before anything is built.
Takeaway: The urgent problem is confirmed, existing workarounds prove it is worth effort, and payment confirms the proposed solution is wanted — all before writing code.
Common mistakes
- Jumping to building without confirming the problem is urgent rather than merely acknowledged.
- Confusing it with product-market fit, which requires a real product and retention data.
- Accepting that a problem exists without checking whether people already pay to work around it.
- Validating the problem with one segment and assuming the solution fits all of them.
Related tool: Validate your idea.
Related terms
- Product-Market Fit — Product-market fit is the point where a product satisfies a real, urgent demand well enough that customers adopt it, keep using it, and tell others — so growth starts pulling rather than being pushed.
- Idea Validation — Idea validation is the process of gathering evidence that a business idea solves a real, urgent problem people will pay for — before committing significant time or money to building it.
- Customer Discovery — Customer discovery is the practice of interviewing potential customers about their existing problems and workflows — rather than pitching a solution — to learn whether a problem worth solving genuinely exists.
- Minimum Viable Product — A minimum viable product (MVP) is the smallest version of a product that delivers real value to real users and produces reliable learning about whether the underlying idea works.
Direct answer — Problem-Solution Fit
Problem-solution fit is the stage at which you have confirmed a real, urgent problem exists and that your proposed solution genuinely addresses it — the milestone before product-market fit.
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Frequently asked questions
How do you assess problem-solution fit?
Run structured interviews with your target segment and check for three things: they describe the problem unprompted before you mention it, they already maintain some workaround for it (spreadsheets, manual process, a competitor they dislike), and they'll commit something costly — money, a pre-order, or real time — toward your proposed solution. If any of the three is missing, the assessment fails and building is premature.
What is the difference between problem-solution fit and product-market fit?
Problem-solution fit confirms a real problem exists and your approach would solve it, usually without a finished product. Product-market fit confirms the built product wins in the market, measured by retention and organic growth.
How do you know you have problem-solution fit?
Target customers describe the problem unprompted, already maintain a workaround for it, and will commit something costly — money, a pre-order, or significant time — toward your proposed solution.
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