Use the MaxMind script and just code one.

All you'll need is a few redirect codes and an IF statement.

It is a good little first coding challenge.

Did you find a solution op? Although you specified free, I'm also looking for paid.

I'm also looking for either a script/WP plugin that also detects mobile or pc, redirects country (or region, but not important).

Seems like there's a dearth of decent redirect solutions out there, not to mention most are abandoned.

Here's free WP plugin for geo redirect: WordPress › Geo Redirect « WordPress Plugins

Thread a few mnths old, at any rate...OP, just loaded the cpaclickz redirect and seems to be working fine.