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Calculators

Do the arithmetic yourself.

Seven calculators for the decisions you have to defend to someone else. Every figure carries its source, each one can come back saying don't, and none asks for your email first.

Start with the business case Talk it through with us

The set

Seven questions, seven calculators

Each cites its sources and says what its arithmetic leaves out.

Build vs buy

What would it cost to build this yourself?

The headcount above which building it yourself is cheaper — and what you would still be maintaining.

You set Employees, People on the build team, Months to first release, and Fully-loaded cost per person per day

Open the calculator

The business case

What does one platform return in a year?

How much of the promised time savings has to be real before the subscription pays for itself.

You set Employees, New hires a year, Share who work without a desk, Fully-loaded cost per employee hour, and Share of returned time that becomes real

Open the calculator

The cost of waiting

What does another year of deciding cost?

What every month of deciding costs, and how many years of subscription the waiting comes to.

You set Employees, What a year is worth, per employee, and Months until the alternative delivers

Open the calculator

What the stack costs

What are you paying for all of it?

How many separate tools it takes before one platform costs less — on licenses alone.

You set Employees and What one tool costs, per employee per month

Open the calculator

What the AI costs

What will the AI actually cost you?

What a month of AI costs at your size, priced from the meter that bills it.

You set Employees, Share who use AI in a given week, and Actions each of them takes a week

Open the calculator

Before you buy anything

Is your organization ready to roll this out?

Whether the people and rules a rollout needs are in place, and which are missing.

You tick What a rollout needs in place

Open the calculator

What lands on people

How much of what you send is for them?

How many of the messages one employee gets each week were never meant for them.

You set Employees, Things sent to the whole organization a week, Share of it genuinely for everyone, and Distinct groups your people fall into

Open the calculator

How these are built

Every number has a source

Each calculator shows the research or customer figure behind its inputs, and says so where we publish none.

They can tell you not to buy

Build-vs-buy names the size at which building wins, and the readiness check can say you are not ready.

They say where they are simple

Each one lists what its arithmetic leaves out.

Want the workings in a spreadsheet?

The business case template has the formulas for all seven savings, so you can take them to your own finance team and change them.

Download the Business Case & ROI Template

Questions about the calculators

No. All seven run on their own page and nothing is gated. The only thing behind a form is the spreadsheet version of the business case, which has the formulas written out so your finance team can change them.

Published research and our own customers, cited on each calculator. The time savings come from IDC and Harvard Business Review; the licensing, IT and onboarding figures come from MangoApps deployments; prices come from our live price catalog, so a calculator and the pricing page can never quote different figures.

The hours are what the research says people lose. Whether they become money is a separate question, which is why the business case counts cash and time apart and asks you how much of the time you would credit — defaulted to a quarter, not all of it. The line that matters is how little of it has to be real before the subscription pays for itself.

Yes, and that is what they are for. Set your own numbers, take the figures and the sources with them, and download the template if you want the formulas. If you would like someone to go through them with you, ask for a walkthrough.

Rather have someone go through it with you?

A solutions consultant will work through your own numbers, and tell you where the case is thin.