Affinity Photo is a raster graphics editor developed by Serif Ltd. for iPadOS,[3][4] macOS,[5] and Windows,[6][7] alongside Affinity Designer and Affinity Publisher. Development of Affinity Photo started in 2009 as a raster graphics editor for macOS. Its first version reached general availability in 2015 with the Windows version launched a year later. It is a successor to PhotoPlus which Serif discontinued in 2017.[8]