SaaS Overlap Calculator
Enter what you pay for funnels, email, CRM, and course hosting - and, if you're also paying for a second tool doing any of the same job, enter that too. See exactly how much of your stack is likely duplicate spend.
Example: a stack with two overlaps
A $97/mo funnel tool with no overlap, a $49/mo email tool plus a $17/mo second email tool, a $45/mo CRM with no overlap, and a $39/mo course host plus a $17/mo second course tool adds up to $264/month total, with $34/month ($408/year) of that being likely redundant spend across 2 overlapping job categories. Enter your own numbers above to see your real overlap.
Methodology
For each job (funnel/landing pages, email marketing, CRM, course/membership hosting), we compare the cost of your main tool against a second tool you enter for that same job. When both are non-zero, the smaller of the two is counted as redundant monthly spend - a conservative floor, since a single tool already covers that job. Redundant amounts are summed across all four jobs and annualized by multiplying by twelve.
Data source: none - totals are computed entirely from the costs you enter. Last reviewed: September 2026.
See our full calculation methodology for the exact formula and every calculator's data sources.
Frequently asked questions
How does this decide what's "redundant"?
For any job where you enter costs for two tools, we take the smaller of the two as a conservative estimate of what's provably unnecessary - since one tool already does that job, at minimum the cheaper of the two is spend you could cut without losing any capability.
Why the smaller amount, not the bigger one?
We don't know which tool you'd actually keep - that depends on features, data, and switching cost specific to your business. Using the smaller figure keeps the estimate conservative rather than assuming you'd cut your main, likely more capable tool.
What counts as "a second tool doing this job"?
Any second subscription covering the same function - a dedicated CRM on top of an all-in-one platform's built-in CRM, or two separate email tools during a slow migration, are both examples. It doesn't have to be a full duplicate, just genuine overlap in what the two tools do for you.
I only use one tool per job - why fill this out at all?
If you have no overlap, this calculator will show $0 redundant spend, which is itself a useful, honest result - it confirms your stack isn't carrying duplicate subscriptions, rather than manufacturing a savings number that isn't real.
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