STRATEGY
July 2026 · 6 min read · Aymeric Julien, Co-founder
Two pricing methods.
One critical difference.
Van Westendorp and conjoint both work. Choosing the wrong one gives you accurate answers to the wrong question.
Guesswork is not a pricing strategy. Setting the right price requires data.
Two methods come up in almost every pricing research conversation: Van Westendorp and conjoint analysis. Both are survey-based. Both produce useful pricing data. But they answer fundamentally different questions. Choose the wrong one and you get accurate answers to the wrong question. Choose the right one and you get a price your market will accept.
What is Van Westendorp?
Van Westendorp is a direct pricing method. It asks respondents to evaluate price thresholds for a specific, defined product.
Four questions do the work. At what price is this a bargain? At what price is it getting expensive? At what price is it too expensive to consider? At what price is it so cheap you would question the quality? Plot the answers and the intersections give you an acceptable price range and reference points within it.
It is fast, easy for respondents, and produces stable results from roughly 200 to 400 respondents. Its limits are just as important. Respondents judge prices in isolation, with no competitors on the shelf, and the output measures price perception, not predicted demand. Treat it as a range and a starting point, not a forecast.
What is conjoint analysis?
Conjoint analysis takes an indirect approach. It presents buyers with a series of scenarios, each combining features, service levels, and price. The buyer chooses their preference, repeatedly, across changing combinations.
The analysis works backward from those choices. It estimates the value of each attribute and tells you how much weight price carries against everything else. It is more demanding to design and typically needs 300 or more respondents to produce stable estimates, but the output is a working model of your market rather than a single range.
Key differences
These two methods serve fundamentally different purposes.
When to use Van Westendorp
Speed and simplicity win here. Use it when your product is fixed and you need an answer fast.
Launching a single product with no tiers. Testing a flat price increase. Establishing broad boundaries before entering a new market. Working with a smaller sample. Van Westendorp tells you whether your number is in the right range. It does not tell you what belongs in the product.
When to use conjoint analysis
Complex offers require trade-off data. Use conjoint to build a pricing architecture.
Designing a tiered pricing model or pack lineup. Deciding which features belong in the premium offer. Facing aggressive competitive pricing. Conjoint tells you what people will pay and what they are actually paying for.
Can you use both?
Yes. But usually not at the same time.
Use Van Westendorp early, to put a rough range around a new concept. Once the offer takes shape, run a conjoint study to set tiers and bundles before a major launch or restructure. Start simple. Add complexity only when the decision requires it.
Work with Relumi
The method is a means. The decision is the point.
Tell us the pricing decision you are facing and we will tell you which method answers it, or whether you need either. You deal directly with the person running your study.
One month. One method. One decisive answer.
