Build vs Buy ROI Calculator
Compare 1 to 5-year Total Cost of Ownership (TCO) between recurring SaaS subscription seats and bespoke custom software. Discover your exact break-even month, cost trajectory, and strategic IP equity.
🔢 Your numbers
Adjust the inputs below. Results update instantly as you type.
Drag to compare costs over 1–5 years.
Hosting, DevOps monitoring, security updates & bug fixes.
Buying wins for now. Over 3 years, custom would cost about ₹16,80,000 more. A longer horizon or more seats can flip this.
📈 Year-by-Year Cumulative Spend
See how recurring SaaS license inflation compounds vs one-time custom build capital expense.
| Timeline | Buy (SaaS Cumulative) | Build (Custom Cumulative) | Difference | Recommendation |
|---|
🧭 Strategic Decision Matrix
Beyond raw monetary cost, evaluate these critical engineering factors.
Intellectual Property (IP) & Valuation
Custom software builds asset equity on your balance sheet; SaaS is pure recurring operating expense with zero residual value.
Workflow Customization & Speed
Bespoke software eliminates awkward SaaS workarounds and integrates 100% natively into your team's specific business logic.
Data Sovereignty & Security
Keep sensitive customer records and proprietary algorithms strictly inside your private cloud (AWS/GCP/Azure) with zero third-party vendor risk.
Time-to-Market Trade-off
SaaS delivers day-1 onboarding. Custom development requires 4–12 weeks of engineering design and rigorous testing before production launch.
Build vs Buy FAQ
Frequently asked questions about calculating software ROI, engineering budgets, and break-even horizons.
Explore Other Free Engineering Tools
JSON Formatter & Validator
Instant syntax validation, beautifier & 0ms local parser.
Security Scorecard
10-point cloud & API security readiness audit.
Contrast Checker (WCAG)
Test foreground and background colors for AA/AAA accessibility.
QR Code Generator
Generate instant high-resolution vector QR codes.