SaaS Development Cost Calculator
SaaS costs scale with tenancy model, billing complexity and feature count.
Result
Build estimate£75,000.00 – £117,200.00
Timeline25 weeks
Infra (~)£100–800/mo scaling with users
Year-2+ maintenance£18,800.00/yr
SaaS Development Cost Calculator — FAQs
Why does SaaS cost more than a normal web app?
Multi-tenancy, subscription billing, per-user permissions, onboarding flows and admin tooling are all invisible scaffolding a brochure site never needs.
Cheapest path to launch?
Stripe Billing + a component library (shadcn/MUI) + auth service (Clerk/Supabase) — saves 6–8 weeks of undifferentiated work.
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