Most apps allow users to search app content. For example, you may want to search for posts containing a certain word or notes you've written about a specific topic.
Cloud Firestore doesn't support native indexing or search for text fields in documents. Additionally, downloading an entire collection to search for fields client-side isn't practical.
To enable full text search of your Cloud Firestore data, use a dedicated third-party search service. These services provide advanced indexing and search capabilities far beyond what any simple database query can offer.
Before continuing, choose one of the search providers below: