Free Tools for
Founders & Developers
Quick, honest tools built from years of shipping real products. Estimate what a build should cost, compare how to hire technical leadership, and check whether your app is actually ready for users. No email required, nothing stored.
For founders scoping a build
MVP Cost & Timeline Estimator
Pick your features, platform, and design level to get an instant build cost range, timeline, phase breakdown, and ongoing upkeep estimate.
Open tool →For founders weighing a CTO hire
Fractional CTO vs Full-Time CTO Cost Calculator
Compare the true cost of a full-time CTO (salary, equity, overhead, recruiting) against a fractional retainer, in USD, GBP, or EUR.
Open tool →For vibe-coded apps
AI App Production-Readiness Scorecard
Score how production-ready your Lovable, Bolt, v0, or Replit app is across 36 checks: security, data, AI safety, reliability, and launch.
Open tool →For AI features
AI / LLM API Cost Calculator
Estimate your monthly OpenAI, Claude, or Gemini bill from tokens and request volume, compare models, and see where to cut costs.
Open tool →For EU / UK users
GDPR Readiness Checklist
Score your startup's GDPR readiness across consent, data subject rights, security, vendor DPAs, and transfers, and see what to fix first.
Open tool →Want the real version, not just an estimate?
These tools give you a starting point. For a real quote, plan, or fix, book a free call and walk me through what you are building.