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Software Development Cost Calculator

Estimate project cost in minutes. Tune roles, hours, rates, and scope—then compare scenarios and export results. Includes a software maintenance cost calculator for annual upkeep.

How the Software Development Cost Calculator Works

Our calculator projects software development cost from your inputs: roles, blended hourly rate, hours per year, and dev vs. maintenance split. It also models preventive, corrective, and evolutionary maintenance so you can see total cost over 1–3 years.

Inputs you can edit

  • Team rates (per role) or blended hourly rate

  • Hours per year & utilization

  • Dev vs. Maint split (%), and maintenance type mix (preventive/corrective/evolutionary)

  • Quality improvement factor & savings

  • Country/region (optional) for localized rates

Outputs you get

  • Total development cost, maintenance cost, and 1–3 year TCO

  • Cost by category (Dev, Preventive, Corrective, Evolutionary)

  • Scenario comparisons and exportable PDF


Software Maintenance Cost Calculator (Annual)

Maintenance keeps software secure, stable, and compliant. Use the built-in software maintenance cost calculator to plan yearly budgets:

  • Preventive: upgrades, refactors, dependency & IaC updates

  • Corrective: bug fixes and incident recovery

  • Evolutionary: new features & enhancements

Tip: increasing preventive work often reduces corrective cost and total TCO within 12–18 months.


What Drives Your Cost

  • Team mix & rates: blended rate vs. role-based staffing

  • Scope & quality: more features and lower test coverage → higher corrective cost

  • Automation & DevSecOps: CI/CD, code scanning, and IaC reduce rework and defects

  • Lifecycle & debt: older stacks and high technical debt increase maintenance


Reduce Development & Maintenance Cost with Sprita IT

  • DevSecOps integration: CI/CD hardening, SAST/DAST, IaC & dependency scanning

  • Quality engineering: test automation, coverage, and defect prevention

  • Lifecycle planning: refactors, modernization, and cloud cost optimization

  • Governance & compliance: ISO 27001, NIST CSF, CIS Controls


Methodology & Assumptions

We combine role or blended rates, expected hours, and your Dev/Maint split. Maintenance is split into preventive/corrective/evolutionary based on your percentages. Optional quality improvements apply savings across scenarios. Numbers are directional—adjust to your context and contracts.

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