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Build vs Buy Calculator
What is Build vs Buy Calculator?
A build vs buy calculator compares the cost of building software yourself (development time and maintenance) with paying for a subscription over a chosen number of years. It shows totals and the break-even point.
How Build vs Buy Calculator helps
- Supports build-or-buy decisions with numbers
- Includes ongoing maintenance
- Shows when building becomes cheaper
How to use Build vs Buy Calculator
- Enter your numbers in the fields (sample values are pre-filled).
- Read the results, which update instantly.
- Change one input at a time to compare scenarios.
Example
400 development hours at 50 an hour plus 20 percent yearly maintenance can be compared with a 500-dollar monthly subscription.
Frequently asked questions
What is included in build cost?
Only the hours and rate you enter, plus yearly maintenance as a percentage.
Does it include opportunity cost?
No. Consider what else your team could do.
Is the result precise?
No. It is an estimate for planning.
Results are estimates and suggestions. Always review them before you use them.
Last updated October 7, 2026.