Frequently asked questions
Are these platforms ranked?
No. Directory order is not a recommendation or rating. Filters and comparisons help you assess fit for your own requirements.
Where does product information come from?
Profiles are based on official vendor product pages. Each profile links to its source and shows when it was last verified.
Why are prices not listed?
Plan structures and prices can change by audience size, billing period, and feature set. Use the official pricing link on each profile for current terms.
Does Email Pick Stack collect my search terms?
No. Search and filtering run locally in your browser. The site does not use analytics scripts.
How can I report an error?
Use the corrections page to see what to include, then email the supporting official source.