Tools for the decisions that cost money
Before you pay for a platform, an ad or a product, there is usually one number that decides whether it works. These tools work that number out with your figures, not a vendor's marketing example. Free, no account, nothing to install.

Shopify fee calculator
What will Shopify cost me per month, and which plan is cheapest at my volume?
Put in your orders and average order value and see what Shopify actually costs per month on Basic, Grow and Advanced, including payment fees, and which plan is cheapest at your volume.
Open the tool CalculatorStore profit and break-even calculator
How many orders a month do I need to break even, and what can I afford to pay for a customer?
Work out profit per order, how many orders a month you need to break even, the most you can pay for a customer and your break-even ROAS, before you open the store.
Open the tool AI toolAI product description generator
How do I write product descriptions that sound human and still rank?
Turn a product name and a few features into a store-ready description, bullet points, an SEO title and a meta description. Free, no account, runs on GPT.
Open the toolEvery price a tool states comes from the vendor's own pricing page with the date we checked it. Anything a vendor does not publish is a field you fill in, never a number we invent. How we test.
Check your app before a client does
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