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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
It does seem that the quick notes app is separate from the notes app and therefore not compatible with the notes app currently in the app/play store. The dev was working on an android app for it but install the apk at your own risk, and I'm already seeing reports that it doesn't work: https://github.com/matiasdelellis/nextcloud-quicknotes-android/releases
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