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recently Im learning firebase, for instance to create a chat app, it seems that firestore will be much expensive than firebase rtdb, except this normally the CRUD has small size of data, so I feel rtdb will be always more cost-effective than firestore, is that correct? thanks for any clues!

Frank van Puffelen
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xiangjiang ouyang
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    I recommend starting with https://firebase.google.com/docs/database/rtdb-vs-firestore and Todd's excellent answer here: https://stackoverflow.com/questions/46549766/whats-the-difference-between-cloud-firestore-and-the-firebase-realtime-database – Frank van Puffelen Jan 10 '22 at 19:44
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    hi @Frank, thanks for the reply and the help to the people like who is learning firebase:) – xiangjiang ouyang Jan 10 '22 at 20:59

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