Free tool / 8 questions / about 2 minutes
Should you keep, extend, modernize, or rebuild your legacy system?
Score a legacy system on eight questions about business pressure and technical risk. Low risk and low pressure means keep it and maintain it. Rising business pressure on a healthy core means extend it with an integration layer. High technical risk means modernize it in slices while it keeps running. Rebuild only when the technology is high-risk and the system no longer fits how the business works. The scorecard runs in your browser and sends no answers anywhere.
0 of 8 answered
How the scorecard decides
Each answer is worth 0, 1, or 2 points. Criticality changes how soon to act, not which result you get.
- Risk adds up support, knowledge, change difficulty, and running cost. Pressure adds up change frequency, integrations, and business fit.
- Rebuild when risk is 75% or higher and the system no longer fits how the business works.
- Modernize in slices when risk is 50% or higher.
- Extend with an integration layer when risk is lower but pressure is 50% or higher.
- Keep and maintain when both are low.
- Keep it and maintain it
- The system is healthy enough and the business is not pushing against it. Spend on maintenance, patching, and documentation rather than a project.
- Extend it with an integration layer
- The core is in reasonable shape, but the business needs more from it. Put an API or integration layer in front so new tools, data, and AI connect without touching the core.
- Modernize it in slices
- The system carries real technical risk, but it still holds rules the business depends on. Replace it one workflow at a time behind a stable layer while the old system keeps running.
- Plan a phased rebuild
- The technology is high-risk and the system no longer fits how the business works, so patching it costs more than it returns. Rebuild, but in phases rather than one big cutover.
The longer reasoning is in Rebuild vs modernize legacy software, and the work itself is on the legacy software modernization service page.
Questions about the scorecard
What the result means, what happens to your answers, and what to do next.
01How accurate is a self-assessment?
It is a starting point, not a verdict. It shows which direction the answers point and why. A full assessment also reads the code, the data model, and every integration, which can move a borderline result one step either way.
02Are my answers stored or sent anywhere?
No. The scorecard runs in your browser. Answers are not sent to Corpvance or saved. Analytics records only that a result was shown and which of the four results it was.
03Why does a rebuild need both high risk and a poor fit?
Because a system that still matches how the business works holds rules worth keeping, and replacing it in slices protects them. A full rebuild only pays off when the technology is failing and the process it encodes is also wrong.
04Should we score each system separately?
Yes. Score each application on its own. Most companies get a mix: some systems to keep, some to extend, and one or two to modernize first.
05What should we do with the result?
Share it with the people who own and use the system and check the drivers it lists. If the result is modernize or rebuild, bring it to a 30-minute call and we will say what we would do first, including when the answer is to wait.
