Savings Calculator

Test Automation ROI for your QA stack

See exactly what your QA costs you today, across manual testing, test maintenance and production incidents, and what Thunders would save you every year.

Thunders — ROI Calculator

Your team

Region
Europe
Europe
United States
QA Team iMain executor: QA
2
Developers
10
Product team
2

Product context

Releases per month
4 per month
1 per month
2 per month
4 per month
8 per month
12 per month
16 per month
20 per month
30 per month
Number of test cases
200
60%
24h
6h

Production incidents

5
Total ROI
Estimated annual saving
Current annual cost
Annual cost with Thunders
Cost reduction
%
Developer hours freed per year
Bugs intercepted before production per year iCost divided by vs production
Incident resolution ROI
Annual saving on incidents
Incident cost — current state i
Incident cost — with Thunders i
Developer hours recovered per year
Time to set up
Time saved to reach 80% automated coverage
months saved
Without Thunders iCapacity:
month(s)
With Thunders iCapacity:
month(s)
Internal investment saved

Full detailed report

Complete cost breakdown per bug, methodological assumptions and comparison

Line-by-line breakdown — production vs staging interception
Line item Role Duration Cost
Manual cases replayed per month
Execution time per month
Current cost per month
Cost with Thunders per month (10× faster)
Monthly gain
Automation hours per month
Estimated maintenance per month (50% of auto)
Current cost per month
Cost with Thunders per month (3× faster)
Monthly gain
Writing hours per month
Current cost per month
Cost with Thunders per month (3× faster)
Monthly gain
Current incidents per month
Cost per incident (production)
Cost per incident (staging, with Thunders)
Incidents intercepted per month (30%)
Current cost per month
Cost with Thunders per month
Monthly gain
Total net annual saving
Reduce your annual testing cost
Reach 80% automated coverage
Intercept bugs before production
Divide the cost of each bug fixed

Understanding Your Test Automation ROI

How to read your result

The calculator gives you three reads of your test automation ROI, built entirely from the numbers you enter, not industry averages.

  • Total ROI compares your current annual QA cost with your projected cost on Thunders and isolates the net annual saving, the cost reduction, the developer hours freed and the number of defects intercepted before production.
  • Incident-resolution ROI isolates the money tied to escaped defects: the cost of production incidents today versus with Thunders, and the developer hours you recover from firefighting.
  • Time-to-value shows how many months you save reaching 80% automated test coverage with Thunders instead of building it yourself, plus the internal investment you avoid.

The comparison axis is always the same: your situation today versus the same workload with Thunders. It is not a price benchmark against another tool.

How the calculator works

There is no one-size formula. The calculator rebuilds your real economics from your own inputs:

  • Your team size and region set the QA and developer hourly rates.
  • Your number of test cases and the share still run manually set your manual workload.
  • The hours spent writing and running tests at each release, multiplied by your release frequency, set your recurring effort.
  • The defects reaching production each month set your incident cost.

From there, two simple relationships drive everything:

Annual savings = Current annual cost − Annual cost with Thunders Cost reduction (%) = Annual savings ÷ Current annual cost × 100

Your current annual cost combines manual testing, ongoing test maintenance and the cost of production incidents. The cost with Thunders models the same scope with more tests automated, fewer manual hours and fewer escaped defects. The gap between the two is your return.

The real cost: Total Cost of Ownership

Most teams underestimate ROI because they only count license fees. The real cost of ownership of automated testing includes infrastructure, test script development, implementation costs, training expenses, CI/CD integration, test data management, automation reporting and, above all, ongoing automation maintenance. With open-source tools like Selenium, Cypress or Playwright the license is free, but that cost simply moves into writing and maintaining scripts.

This is exactly the line the calculator targets. No-code automation built from natural language, self-healing tests and AI test generation collapse the script-writing and maintenance effort that inflates a traditional TCO model, which is why the "cost with Thunders" figure drops the way it does.

Financial ROI vs efficiency ROI

The calculator reports both. Financial ROI is the money: annual savings, lower incident cost, QA and engineering capacity reallocated. Efficiency ROI is what the hours and coverage numbers capture: developer hours freed, defects caught before production, faster time to 80% test coverage, shorter regression testing cycles. A credible business case needs both, and the result screen gives you each side by side.

How fast you see positive ROI

Fast, because the calculator models it directly. The time-to-value block compares the months needed to reach 80% automated coverage on your own versus with Thunders, and converts the gap into internal investment saved. The payback then compounds with your release frequency: every release replays your regression suites, so each automated run keeps replacing repetitive manual testing. Continuous testing in the CI/CD pipeline is what turns that into recurring savings.

The decisive role of test maintenance

Maintenance is the line that silently erodes ROI, and it is built into the calculator through your automation hours per release. Brittle tests and flaky tests that break on every UI change turn expected savings into recurring cost. Selector-based scripts fail too often; Thunders' intent-based, self-healing automation agents absorb interface changes without manual updates, cutting test maintenance, test failures, false positives and false negatives, and pushing the "cost with Thunders" figure down release after release.

Metrics and quality KPIs to track

The result screen already surfaces the metrics that matter, and you should keep tracking them after rollout: test coverage, manual testing hours saved, developer hours freed, defects intercepted before production, escaped defects, release frequency and incident cost. Pair them with test analytics and automation reporting to keep proving value and to build stakeholder confidence.

Common mistakes that destroy ROI

A handful of pitfalls recur across every failed program:

  • Automating everything indiscriminately, including rarely run or unstable test cases.
  • Overlooking test maintenance until the suite becomes unmanageable.
  • No governance model: no coding standards, no clear test ownership.
  • Unrealistic timeline expectations and skipping the Total Cost of Ownership math.
  • Tracking nothing: without metrics, you can neither prove nor optimise ROI.

Most of these stem from script-based automation. Thunders defuses them at the root: AI test generation keeps you from automating the wrong things, self-healing tests remove the maintenance debt, and built-in test analytics make your metrics visible from day one.

Building your business case

Use your result as the baseline. Take your current annual cost and projected cost with Thunders, translate the gap into quality KPIs leadership understands, and present the cost-benefit analysis with the time-to-value and incident savings the calculator produces. Real, input-driven figures earn far more stakeholder confidence than generic benchmarks when you justify the automation investment.

Frequently Asked Questions

What role does test maintenance play in ROI?

It is usually the largest recurring cost and the main driver of ROI erosion. Flaky and brittle tests turn expected savings into continuous expense; low-maintenance, self-healing approaches are what protect the return over time.

How does the calculator compute test automation ROI?

It rebuilds your current annual QA cost from your inputs (team, rates, manual share, test-writing and run hours, release frequency, production incidents), then models the same scope with Thunders.
Annual savings = Current annual cost − Cost with Thunders;
Cost reduction (%) = Annual savings ÷ Current annual cost × 100.

Does it compare Thunders against Selenium, Cypress or Playwright?

No. It compares your cost without Thunders (your current setup, whether manual or script-based) with your cost using Thunders. It is not a price comparison between tools.

Which metrics should you track?

Test coverage, manual-testing hours saved, developer hours freed, defect detection rate, escaped defects reaching production, test pass rate, regression cycle time, release frequency and resource utilization.