guillaume coulbaux is an indie developer on the App Store with 15 apps. On IndieRank, they are ranked #188 out of 3,643 developers (top 5%). Their primary category is Games, with 18,365 total ratings and a 4.6★ weighted average. Their most popular app is Logo Quiz: Errate die Marke with 14.7K ratings and a 4.6★ score.