Websites & web apps

A calculator that turns curiosity
into a captured lead

A good calculator or quiz earns attention because it gives something genuinely useful back, a real estimate, a real score, a real recommendation, and the lead capture at the end feels like a fair trade rather than a wall blocking the result. We build the logic and the result first, the lead form second.

from$1,800
Timeline2 to 4 weeks
What is includedLogic designed with you so the result is genuinely accurate, not a gimmickA short, mobile-friendly flow that does not feel like a long formA real result shown immediately, lead capture positioned naturally afterShareable result (link or image) if that fits the use caseAnalytics on completion rate and where people drop off
<1starget step load time so the flow never feels sluggish
0forced gates before the real result; the value comes first by design
25,746listings handled by a pricing logic engine we built at real scale, a useful reference for calculator accuracy

What it is and who needs it

A quiz or calculator web app gives a visitor a genuinely useful result, an estimated price, a fit score, a personalized recommendation, in exchange for a few minutes of input, and captures a lead naturally once that value has already been delivered rather than gating it behind a form upfront. It needs accurate underlying logic, since a calculator that gives an obviously wrong answer damages trust faster than not having one, and a flow short and clear enough on mobile that people actually finish it.

It is the right tool for a business whose offer has enough variables that a single static price or answer does not fit everyone, a pricing estimate, a fit assessment, a savings calculation, where a genuinely useful tool also happens to be a strong lead magnet. It is the wrong tool when the honest answer is simple and the same for everyone; forcing a quiz onto a flat answer just adds friction.

What is inside

The core logic, the actual formula, scoring rules or decision tree, gets worked out carefully with input from people who understand the real business rules, since this is the part that determines whether the tool is trusted or dismissed as a gimmick. The flow itself is built short and mobile-friendly, broken into small steps that feel quick rather than one long form, with progress shown so it never feels open-ended.

The result shows immediately and clearly, with lead capture positioned naturally after, often as an offer to email the result or get a human follow-up, rather than a wall blocking the answer. Analytics track completion rate and exactly where people drop off, which is the data that actually tells you whether the flow needs simplifying, and captured leads land directly in your CRM or inbox with the full set of answers attached, not just a name and email.

How we build it

We start by nailing down the actual logic with whoever understands the underlying business rules, pricing, eligibility, scoring, since getting this wrong undermines everything built on top of it. The flow gets mapped step by step with an eye on length, every unnecessary question is a reason for someone to abandon partway through.

Build happens fast, usually one or two sprints, with the logic tested against edge cases, extreme or zero inputs, unusual combinations, deliberately before launch. We wire up analytics from day one so early real usage tells us immediately whether the flow needs tightening, and we test the lead capture integration end to end to confirm nothing gets lost between the tool and your inbox or CRM.

Timeline and price

Tier Price What it covers Timeline
MVP from $1,800 Core logic, mobile-friendly flow, result, basic lead capture 2 to 3 weeks
Production from $3,800 Branching quiz logic, shareable results, CRM integration 3 to 4 weeks
Full control, handover-ready from $6,450 Everything above, plus full documentation so your team can adjust logic or copy independently 3 to 4 weeks

Running cost after launch is close to zero; most of the ongoing value comes from tuning the flow against real completion data, which the first 30 days cover.

What you own at the end

The logic, the tool itself and wherever leads land are under your own accounts from day one, with a short document explaining how to adjust the underlying rules safely.

This pairs with landing page that converts as the page a calculator often lives on, and with internal tool for a team when a similar calculation logic is needed internally rather than for leads. For the technical layer, see product configurator and feature flags and experiments for testing different versions of the flow. For related work on pricing logic at scale, see the trading app funnel and unit economics audit and the AI media buyer case.

Have an offer with enough variables that one price does not fit everyone? Get in touch and we will look at whether a calculator would actually help.

FAQ

How much does a quiz or calculator cost?

From $1,800 for a well-designed flow with accurate logic, a real result and lead capture, live in 2 to 4 weeks. A more complex calculator with many variables or a branching quiz runs $3,000 to $5,000.

How do you make sure the calculation is actually accurate?

We work through the real logic with you, pricing rules, scoring criteria, formulas, before building anything, and test edge cases, zero values, extreme inputs, deliberately, since an inaccurate calculator damages trust faster than having no calculator at all.

Does lead capture happen before or after the result?

After, by default and by design, since gating the result behind a form before showing any value is the single most common reason these tools get abandoned; we only gate earlier if there is a specific, well-reasoned business case for it.

Who owns the tool and the lead data?

You do. The logic, the tool and wherever leads land, your CRM, email or Telegram, are under your own accounts, not hidden inside a quiz-building SaaS platform.

What happens after launch?

30 days of fixes based on real completion data are included. After that we can tune the logic or flow further, or hand over full documentation so your team adjusts it independently.

Start here

Tell us the problem.
We bring the system.

A 30-minute call, a written plan with numbers within 48 hours, no obligation. If we are not the right fit, we will say so and point you to someone who is.