About Ecomm Growth Kit

Ecomm Growth Kit publishes free calculators and software comparisons for small online store owners. The aim is simple: show the maths, cite the source, and say what we haven't tested.

Who runs it

The site is written and edited by Anton Jonson. Anton has more than 15 years of experience as a web developer, ecommerce specialist and digital strategist. He runs his own online businesses and learned the trade the hard way, by building and growing his own successful ecommerce stores.

Contact and corrections

Email: hello@ecommgrowthkit.com

If you spot an error, such as an out-of-date price or a wrong formula, please get in touch and we will check it and correct the page.

Read next

• How we work: research, fact-checking and the use of AI.
• Affiliate disclosure: how the site is funded.
• Privacy policy: what the site collects, including analytics.