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Vestval

Comparison

Custom Software vs SaaS

Custom software gives fit and ownership; SaaS gives speed and maintenance. Modern practice combines both — SaaS platforms for commodity capability, custom software for competitive differentiation.

Custom SoftwarevsSaaS

Side by side

Custom Software vs SaaS, on the dimensions that matter.

  • Fit to process

    Custom Software
    Exact
    SaaS
    80–90% typical
  • Time to launch

    Custom Software
    Months+
    SaaS
    Days to weeks
  • Maintenance

    Custom Software
    Yours
    SaaS
    Vendor's
  • Cost model

    Custom Software
    Capex + team
    SaaS
    Subscription
  • Ownership

    Custom Software
    Full
    SaaS
    Licensed
  • Extensibility

    Custom Software
    Unlimited
    SaaS
    Within platform limits

Our honest verdict

Custom for competitive differentiators. SaaS for commodity capability. The pattern is usually 'SaaS backbone + custom edge'.