Steemify looks nice https://blockbrothers.io/ but only for the iphone from what I can tell. There used to be a chrome steemit notification extension, hm...

https://chrome.google.com/webstore/detail/steemification-notificati/blnmejicejbkcdebiobgfpjhopoahmen?hl=en

Worth a look :)

Managing this steemit thing is no cakewalk, that is for sure!