Test your idea for free

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Validate your idea before you invest money.

Name: Validate your idea by planix
Brand: planix
Availability: InStock

Pay once. No subscription. No follow-up costs.

Problem–solution fit

Test your idea

Concept test with 10 simulated respondents

Does my key assumption hold, and what do I test next?

For anyone who wants to know whether their idea holds up.

Your riskiest assumption tested1 concept test · 10 respondents

What is supported and what remains openso you know which assumption holds and which you still need to check
The riskiest assumption, clearly namedso you know where the idea is most likely to fail – before you put time into it
Concept test with ten simulated respondentsa first direction – in hours, not weeks
Result for each statementhow many agree, are undecided or disagree – and what holds them back
Questions for real conversations4 to 5 questions for 5 people from your target group – so real answers come in

Not included No price range, no verdict, no competitors, no segment comparison. That sits in Test the market.

free

No payment details

Start for free

Product–market fit

Test the market

Demand, market and competition reviewed, with decision

Is there demand, who buys first and at what price?

For anyone who wants hard facts instead of a gut feeling before starting.

Your most critical assumptions tested30 respondents each · Competitors with source

A verdict in five levelsfrom clear go to do not pursue, with reasoning and the assumptions confirmed or disproven
Price range and willingness to paythree price points tested: lower limit, target price and upper limit, each with willingness to buy
Which segment buys firsttwo to three target groups tested against each other: who buys soonest and what holds each back
Competitors by name, with sourcesfrom company registers and live research – and where the gap for you is
Compact market analysismarket potential as an estimate in three tiers, trends, workarounds, hurdles and regulation
30-day plan with interview guidefour weeks with milestones, success and stop signals – and the questions for your conversations

Not included No naming, design or ad tests, no pricing-model comparison, no country comparison, no full market analysis. That sits in Test the business model.

£85one-off

Incl. VAT

Test the business model

Positioning, messaging and pricing model tested

Is my business model ready for launch and investors?

For anyone about to launch or to convince investors.

Your 10 most critical assumptions tested50 respondents each · 4 segments

Everything from Test the market

A verdict in five levels
Price range and willingness to pay
Which segment buys first
Competitors by name, with sources
Compact market analysis
30-day plan with interview guide

On top in Test the business model

Positioning and messaging testedthree variants of headline, value promise and name per segment – you know what lands before you build the site
Pricing model instead of a price pointmonthly against yearly, two against three plans, which feature carries which price
DE, AT and CH comparedmarket size, competition and price level per country with their own data and respondents
Detailed competitor profileoffering, prices and positioning of the key competitors in detail – each with sources
Full market analysis and investor dossiermarket size with derivation, dynamics, regulation, barriers – in the format banks and investors expect

£209one-off

Incl. VAT

Unlock Test the business model

What is included

Test your ideafreeTest the market£85Test the business model£209

Assumptions testedthe riskiest oneup to 5up to 10

Test methods1 concept testup to 5up to 10

Simulated respondents per method1030up to 100

Analysis topics72929

Residual risks with rating

Ready-made interview questions4–5interview guideinterview guide

Price range & willingness to pay3 price pointsin depth

Feature rankingdepending on idea ,

Name, claim, design, ad materialmessagingcomplete

Segments compared2–3up to 4

Competitors named with sourcein depth

Market data from official registersin depth

Verbatim feedback

AI rating from 0 to 100

Decision5 levels, with reasoningin-depth recommendation

Plan after the test3 tasks30 days30 and 90 days

Resultweb and PDFweb and PDFbank-grade PDF with methodology appendix

Trust & privacy

Your data. Secure.

Stored in Europe

On Azure servers in Europe, compliant with the UK GDPR.

No AI training on your data

Your inputs are never used to train AI models.

Handled confidentially

planix only sees your final document if you explicitly ask us to.

FAQ

Questions about pricing

Why is Test the idea so clearly limited?

A concept test with ten simulated respondents shows a direction – no reliable price level, no segment comparison. The report says explicitly what it does not know.

What does “critical assumptions” mean?

From your input planix derives testable assumptions and sorts them by risk. The riskiest ones are tested – each with the method that can answer it. Which method serves which purpose is listed on the methodology page.

When is Test the business model worth it?

When the report has to convince third parties – bank, lender, investors. Twice the assumptions, twice the sample, up to four segments, PDF with methodology appendix.

Can I validate several ideas?

Yes. All prices are per business idea: Test the idea free, Test the market £85, Test the business model £209.

Is there a subscription?

No, a one-off purchase. The later steps of the founder journey have their own offers; you decide again each time.

Validation is the second phase of the planix founder journey – after finding the idea, before business planning. Everything you enter here carries over.
See the full founder journey

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STARTUPS

Test your business idea

Test the idea shows your biggest risk and delivers a first concept test.

Test your idea now Test the idea free · Test the market £85 · Test the business model £209 · all one-off, no subscription