Build Cost Pathfinder
Answer a few questions and get a live cost estimate — updated as you go. Your answers will pre-fill the build enquiry form.
Initial build
Select a type
Ongoing
From £29/mo
Who is this for?
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Live Cost Estimate
Initial build
Select a tool type
Ongoing
From £29/month
incl. hosting
Select a tool type and features to see a live estimate.
Live estimate only. Final pricing depends on scope, integrations, AI usage, hosting and content requirements.
Find out what your interactive tool could cost
Prices below are starting points. Final cost depends on scope, integrations, AI usage and content requirements. Use the Pathfinder below for a tailored estimate.
£295
Interactive Utility
A focused calculator, estimator or single-output tool. Fast to build, immediately useful.
£595
Diagnostic Experience
A multi-step diagnostic with a scored or categorised result. More depth, more qualification.
£895
AI Sales Assistant
AI-generated output tailored to each visitor's inputs. Personalised results at scale.
£1,250
Simulator / Pathfinder
A full revenue leak, opportunity or decision simulator with a detailed result screen.
£1,750+
Visual Custom Experience
Visual configurator, branded multi-step flow, or fully bespoke interactive experience.
Client-hosted
£0/month
You embed the tool on your own website or hosting. BuildByJai provides the embed code.
BuildByJai hosted
From £29/month
Hosted on a BuildByJai subdomain or your custom domain. Includes uptime monitoring.
Growth support
From £149/month
Hosting plus ongoing improvements, A/B testing, new questions and monthly reporting.
Final pricing depends on scope, integrations, AI usage, hosting and content requirements.
Also see: Custom Tools · Free Tools · Blog