PokeChum is a companion application for the Pokemon Go game, by Niantic. (Singapore exclusive)
PokeChum can be used to discover the location of raids iand quests that have been found by players or from third party sources.
You can filter the raid discovery results by the different levels of eggs and bosses, which team the gym belongs to or whether the gym is an ex-raid eligible one. For quests, you can filter by the types of rewards that you are looking for specifically.
Works for iPhone and Android 8 and above
Click here to view developer website - http://pokechum.com/pokechum