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SaaS Development Roadmap: A Phased Plan

We map SaaS development as a roadmap across MVP, growth, and scale phases — what to invest in at each phase.

2026-04-137 min

Phase 1 — MVP: first 100 customers

MVP phase is 4–6 weeks fixed-scope delivery. One core value proposition, account creation, subscription flow (Stripe / Iyzico), simple admin panel. Goal: first 100 customers and a product-market-fit signal.

Metrics in this phase: activation rate, free-to-paid conversion, churn rate. NPS measurement. These signals shape phase-2 priorities.

Phase 2 — Growth: first 1,000 customers

Phase 2 (8–16 weeks): self-serve onboarding optimization, expansion features (plan-upgrade triggers), customer success automation, performance audit, scale optimization.

40–50% of investment in this phase goes to marketing-sales-customer success; 50–60% to product. Organizational complexity grows with scale; CRM, sales pipeline, support ticketing land.

Phase 3 — Scale: enterprise + multi-tenant maturity

Phase 3 (3–6 months): enterprise features (SSO, audit log, advanced RBAC, compliance certifications), multi-tenant architecture optimization, advanced analytics and BI.

Product maturity point: a 5–10-year infrastructure. Enterprise customers grow; average deal size increases; the revenue model scales.

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