Amazon Fire Kids tablet or Skie on an Android tablet: how do they compare?
Amazon Fire Kids editions are tablets you buy from Amazon, with a kid-friendly case and Amazon's own content and parent controls. Skie is software that runs as the device owner on an Android tablet you already have. The choice is hardware with a ready content service against device-level control on your own tablet.
These are different kinds of product, so a fair comparison starts with what each is.
Amazon's Fire Kids tablets are hardware: a Fire tablet in a protective case with a child profile, Amazon's parent controls and a subscription content service for children. Setup is simple and the product is designed around it. They run Amazon's Fire OS, not standard Android with Google services.
Skie is software only. It manages a standard Android 12 or newer tablet with Google Play services that you already own, or buy yourself. You choose the apps from Google Play, and Skie enforces the rules as the device owner. It does not sell tablets and does not supply content. It is a paid product, and pricing is on request.
What each is good at: Fire Kids is convenient and comes with content in one box. Skie suits families who want device-level control on a tablet they pick, who want the same rules on a phone and a tablet, and who want a locked adult-site filter, Chrome rules and bedtime and study windows.
Skie does not yet offer per-app time limits or screen time reports. If those are central for you, check what the Amazon product offers today on its own pages.
The practical question is whether you want a tablet bought with its content, or a tablet you already own, controlled by you.