iCloud for Developers

Keep your apps connected and up to date across iOS, OS X, and now on the web with CloudKit JS. With free public storage up to 1PB, it's never been easier to build and grow your apps using CloudKit.

CloudKit

CloudKit provides authentication, a private and a public database, and structured asset storage services—so you can focus on client-side development.

Video Presentations
Documentation
Sample Code
iCloud Dashboard

CloudKit Dashboard

updated

Get a detailed view of your app’s activity, including Active Users and Total Users, database storage, bandwidth usage, and trending.
Sign in to the CloudKit Dashboard

Getting Started with CloudKit for free.

CloudKit provides a generous amount of free public storage and data transfer to help you get started. Sign in to the CloudKit Dashboard to view your quota and project usage.

10 GB

Asset
storage

100 MB

Database
storage

2 GB

Data
transfer

40

Requests
per second

Capacity scales with your users.

The amount of public storage and data transfer allocated to your apps will grow with every new active user—all for free with very high limits. Calculate the amount of storage you'll gain as your number of active users grows.

0

Active Users

Active users

Asset
storage

250 MB per user

Database
storage

2.5 MB per user

Data
transfer

50 MB per user

Requests
per sec.

10 per 100k users

$0

Total Cost

If you exceed your free limits, you will be charged for the additional amount used. Sign in to the CloudKit Dashboard to view your current usage.

  • Asset storage
    $0.03/GB
  • Database storage
    $3.00/GB
  • Data transfer
    $0.10/GB
  • Requests per second
    $100 per 10 req/sec.

Apple Developer Program membership is required to access and enable CloudKit. Quota is calculated and based on an average usage across the total active users. Users must have active container usage within last 16 months. If your account exceeds its free quota of public storage, data transfer, or requests per second, overage charges apply. An application does not get additional free allowances by using multiple containers. Applicable fees are calculated monthly in USD. Service availability and pricing are subject to change.