The Sims Medieval is currently free for iOS to celebrate the App Store 5th birthday! Personally I thought it was a nice game to play a few times and definitely worth trying as it is free!
Download link: https://itunes.apple.com/en/app/the-sims-medieval/id451858886?mt=8
This is a US iTunes store link, for other countries load the iTunes store and search for Sims Medieval. It is free in other countries too!