Fig. 06 — pricing
Flat-rate. Set by the spec.
The spec defines what's in scope; the spec defines the price. No hourly invoices, no surprise change orders — and 10x cheaper than a traditional enterprise quote. From $2,500.
Single-Purpose App
$2,500
flat, one-time
One workflow, done well. Auth + database + deploy.
- 1 user role
- Up to 5 screens
- Email auth
- Postgres database with RLS
- Deployed to your hosting
- Source code + handover doc
Best for · Internal tool, prototype, or one-off workflow.
Most projects
Production Build
$5,000 – $15,000
flat, one-time
Multi-role, multi-workflow software your team runs on.
- Multiple roles + RLS
- Up to ~20 screens
- AI features (LLM / RAG / agents)
- Integrations (Stripe, Resend, Slack, webhooks)
- Realtime where it matters
- Optional 30-day support
Best for · Client portals, SaaS MVPs, real ops software.
Custom System
Quoted from spec
fixed, one-time
Multi-module systems, marketplaces, complex AI products.
- Multi-tenant architecture
- Background jobs / queues
- Custom integrations
- Dedicated build window
- Optional engineering retainer
- Architecture review at handover
Best for · Vertical SaaS, marketplaces, AI products with real depth.
Fig. 07 — what's included
Every project includes the same foundation.
No tier-based feature gates on what makes the app real software.
Written specification
8–30 page document, approved by you before any code.
Production code
TanStack Start + Postgres. TypeScript strict. Tests where they matter.
Auth + RLS
Real authentication and row-level security from day one.
AI gateway
Pluggable OpenAI / Anthropic / Gemini access through one provider.
Staging from day one
You watch the build come together on a live URL.
One revision loop
Structured pass against the spec — bugs, polish, edge cases.
Source code repository
Transferred to your Git org at handover.
Database schema + migrations
Reproducible, versioned, your-org-owned.
Handover documentation
Any web developer can pick up where we left off.
Fig. 08 — add-ons
Optional add-ons.
Bolt-ons priced the same way as everything else: flat, written down, no surprises.
30-day post-launch support
From $750/moBug fixes, dependency updates, small adjustments. Never auto-renews.
Extra revision loop
$500 – $1,500A second structured pass after the included Loop phase.
Custom integration
$500 – $2,500A new third-party API wired in with retries, idempotency, and tests.
Design refresh
$1,000 – $3,000Custom visual direction beyond the Specloop design system.
Engineering retainer
From $4,000/moOngoing feature work against a rolling spec. Month-to-month.
Fig. 09.A — interactive
Estimate price and payback.
Two calculators. Indicative only — the real number ships with your written spec.
Fig. 09.01 — price estimator
Estimate your build.
Indicative ranges. The real number comes back with your written spec — and it's fixed.
Estimated range
$9,500 – $17,000
Timeline
4–6 weeks
Fig. 09.02 — ROI calculator
Will a custom tool pay for itself?
Map hours your team spends on manual work today against build cost. Payback in weeks, not years.
Weekly saved
$1,800
Annual saved
$93,600
Payback
9 wk
1-year ROI
524%
Fig. 09 — questions
Pricing FAQ.
Want a real number for your project?
Send us 2–3 paragraphs about what you want to build. We'll come back with a written spec and a fixed price within 48 hours — free.