$
Free
Software Deal & ROI Calculator
Compare a one-time or lifetime deal against a subscription, including API costs, renewals, price increases, time savings and break-even.
Open Software ROI Calculator →
Free marketing utilities
Free Marketing Calculators & Tools
All calculators on IM Review HQ are free to use—no trial, no payment and no signup. Each tool is designed to show the assumptions behind the result, and every calculator includes shareable results plus an embed option.
No signup requiredUse the tools immediately.
Shareable resultsCopy a result link without creating a new indexable URL.
EmbeddablePublish selected tools on your own site.
Decision-focusedIncludes assumptions, break-even points and limitations.
How they work
How to Use the Free Calculators
Each calculator follows the same simple workflow. No account, payment, or trial is required.
- Open the calculator that matches your decision.Choose the software, AI, affiliate, funnel, tool-stack, or email-list calculator below.
- Replace the example inputs with your numbers.Follow the page-specific instructions above the calculator. Results recalculate as you change the assumptions.
- Save or share the result.Use the built-in share link, copyable summary, print view, or free embed code when you want to keep or publish the scenario.
Important: These are planning tools, not guarantees. Use conservative assumptions and rerun a scenario when price, conversion, growth, or usage changes.
100% Free
6 Advanced Free Calculators
All six tools are free to use, share and embed. Choose the calculator that matches the decision you are working on.
AI
Free
AI Tool ROI & Time-Savings Calculator
Estimate hours saved, risk-adjusted productivity value, monthly net benefit, payback period, cost per saved hour and ROI scenarios.
Open AI Tool ROI Calculator →5
Free
Marketing Tool Stack Cost Calculator
Add monthly, annual and lifetime tools, include seats and usage charges, and compare 1-, 3- and 5-year stack costs.
Open Marketing Tool Stack Cost Calculator →%
Free
Affiliate Commission & Break-Even Calculator
Model net commission, refunds, EPC, maximum break-even CPC, sales needed, visitors needed, profit and ROI scenarios.
Open Affiliate Break-Even Calculator →OTO
Free
OTO Funnel Total Cost Calculator
Add the front-end price, order bump and optional upgrades with one-time, monthly or annual billing to see the full funnel cost.
Open OTO Funnel Cost Calculator →@
Free
Email List Value & Growth Calculator
Calculate list value, revenue per subscriber, projected 12-month list size, churn value and funnel-based revenue scenarios.
Open Email List Value Calculator →Useful beyond the review itself
A software review can tell you what a product costs. A calculator can help you model what that cost means for your own situation, assumptions and time horizon.
Built to be reusable
Every calculator is free to use. Shareable result links use a URL fragment so they do not create a new indexable page for every calculation, and every tool includes a lightweight embed option.