MetaBrush S is described as 'Photo painting effects' and is a Photo Editor in the photos & graphics category. There are seven alternatives to MetaBrush S for iPhone and iPad. The best alternative is Oilist. It's not free, so if you're looking for a free alternative, you could try Tipix or Repix by Sumoing Ltd. Other great apps like MetaBrush S are iColorama S, Brushstroke, Deco Sketch and Olli.
MetaBrush S alternatives are mainly Photo Editors but may also be Digital Painting Tools. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of MetaBrush S.