---
title: "How Apple built iCloud to store billions of databases"
date: "2024-01-17T16:44-08:00"
description: "Apple uses Cassandra and FoundationDB for CloudKit, their cloud backend service. We take a look into how exactly each is used within their cloud and the problems they`ve solved."
link: https://read.engineerscodex.com/p/how-apple-built-icloud-to-store-billions
---
