What is iCloud? A guide to understanding Apple's syncing and storage service (2024)

What is iCloud? A guide to understanding Apple's syncing and storage service (1)

Apple iCloud has come a long way since launching in late 2011. The storage and cloud computing service includes useful features centered on making it easier to access your favorite files across multiple devices. If you're new to the Apple ecosystem, this is the article for you! You'll learn more about iCloud and how it can benefit you.

iCloud: A primer

Apple iCloud is much more than a backup solution, although that's an essential component. When activated, iCloud Backup automatically saves information from your iPhone, iPad, or iPod touch. This process occurs nightly whenever your device is turned on, locked, connected to a power source, and using a Wi-Fi connection.

Information collected for iCloud Backup includes:

  • App data
  • Apple Watch backups
  • Device settings
  • Home screen and app organization
  • Purchase history from Apple services, like your music, movies, TV shows, apps, and books
  • Ringtones
  • Visual Voicemail password

Using that data

Apple iCloud Backup is intended to help you restore an existing device in the event of an emergency or set up a new device.

  • Everything you need to know about backing up to iCloud

Messages in iCloud and iCloud Photos

Beginning with iOS 11.4, Apple introduced Messages in iCloud, which automatically encrypts your iMessage and SMS messages, then syncs them between your Apple devices. The tool also lets you store your messages, photos, and other attachments in iCloud, which helps you save local storage space.

iCloud Photos, by contrast, allows you to securely store your photos and videos, then access them from your various Apple devices, including iPhone, iPad, iPad touch, Mac, Apple TV, and iCloud.com.

Messages in iCloud and iCloud Photos are not part of the regular iCloud Backup. Instead, files are saved and updated in real-time to the cloud whenever your devices are connected to a Wi-Fi connection.

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  • How to sync your text messages to iCloud from your iPhone, iPad, and Mac

What about iCloud Drive?

Documents that you store in iCloud Drive stay up to date across all of your devices, and you can access them from your iPhone, iPad, iPod touch, Mac, or PC, and on iCloud.com. These files can include your Contacts, Calendars, Bookmarks, Mail, Notes, Voice Memos, shared photos, Health data, and call history. It also includes files you send directly to the iCloud Drive from any of your supported devices.

  • iCloud Drive: The ultimate guide

You probably need to pay

Everyone with an iCloud account gets 5GB of free storage, which you can use for iCloud Backup, Messages in iCloud, iCloud Photos, and iCloud Drive. Most entry-level iPhones and iPads now ship with at least 64GB of storage space, which suggests 5GB of iCloud storage is not enough for most users.

You can increase the amount of iCloud storage available to you at any time by selecting from one of the following plans:

  • 50GB, $0.99 per month
  • 200GB, $2.99 per month
  • 2TB, $9.99 per month

If you use Apple Family Sharing, the 200GB and 2TB plans are sharable with family members. In the example below, a 2TB plan is shared:

  • Which iCloud storage plan should you get?

What much storage am I using?

You can find your current iCloud storage on your mobile device by following these steps:

  1. Tap the Settings app on your iPhone or iPad.
  2. Tap the Apple ID banner at the top of the screen.
  3. Tap iCloud.
  4. Tap Manage Storage.

What is iCloud? A guide to understanding Apple's syncing and storage service (2)

On the Manage Storage page, you'll see the following information:

  • A summary of the amount of iCloud storage you're using versus the amount available.
  • Family Usage: Shows the amount of storage being used by family members, when applicable.
  • Change Storage Plan: Tap to select another iCloud storage plan.
  • Photos: The amount of iCloud storage space taken by photos.
  • Backups: Tap to see which mobile devices are being backed up on your iCloud account.
  • Messages: The size of your Messages in iCloud.
  • Mail: The size of your Mail.
  • Siri: When Apple's voice assistant learns about you through questions and answers, it's stored on iCloud and noted here.

What is iCloud? A guide to understanding Apple's syncing and storage service (3)

What's an Apple ID?

An Apple ID makes it possible for you to download content from iTunes and the App Store. It also allows you to sync your information through iCloud and activates FaceTime and iMessage across multiple devices. It's not mandatory to sign up for an Apple ID if you want to use an Apple device, but it is essential to getting the most out of your iPhone and iPad.

  • How to create a new Apple ID on your iPhone or iPad

Questions?

Do you have any additional questions about iCloud? Let us know in the comments below.

What is iCloud? A guide to understanding Apple's syncing and storage service (4)

Bryan M Wolfe

Staff Writer

Bryan M. Wolfe has written about technology for over a decade on various websites, including TechRadar, AppAdvice, and many more. Before this, he worked in the technology field across different industries, including healthcare and education. He’s currently iMore’s lead on all things Mac and macOS, although he also loves covering iPhone, iPad, and Apple Watch. Bryan enjoys watching his favorite sports teams, traveling, and driving around his teenage daughter to her latest stage show, audition, or school event in his spare time. He also keeps busy walking his black and white co*cker spaniel, Izzy, and trying new coffees and liquid grapes.

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What is iCloud? A guide to understanding Apple's syncing and storage service (2024)

FAQs

What is iCloud? A guide to understanding Apple's syncing and storage service? ›

iCloud is the service from Apple that securely stores your photos, files, notes, passwords, and other data in the cloud and keeps it up to date across all your devices, automatically. iCloud also makes it easy to share photos, files, notes, and more with friends and family.

What does syncing with iCloud do? ›

For example, if you're using iCloud Photos, iCloud Drive, or Notes, your information automatically syncs to the cloud and is kept up-to-date across all of your devices whenever you make a change. Any data on your device that isn't regularly synced is stored in your iCloud Backup.

Does deleting photos from iPhone delete from iCloud? ›

But there are limitations. The connectivity between iPhone and iCloud means that if you delete a picture on your iPhone, it's also removed from iCloud. Luckily, there are a few workarounds that allow you to delete photos from your iPhone yet keep them in the cloud in perpetuity.

What does turning off iCloud sync do? ›

When you turn on iCloud for an app, its information is safely stored in iCloud and automatically kept in sync across your devices. When you turn it off, the app no longer connects with iCloud, so your data exists only on your device.

What's the difference between Apple storage and iCloud storage? ›

Device storage is the available storage on your iPhone, iPad, Mac, or other Apple device. iCloud storage keeps your photos, files, notes, and more, up-to-date and available across all your devices.

Does turning off iCloud sync delete photos? ›

Conclusion. Turning off iCloud Photos on your Mac or iOS devices can be straightforward if you know your way around it. Please note that turning off your iCloud Photos doesn't imply deleting them but preventing further media syncing across all linked devices.

How do I stop iCloud from syncing everything? ›

How to turn off iCloud features on iPhone or iPad
  1. At the top of the Settings screen, tap your name to go to your Apple ID page. ...
  2. On the next screen, tap iCloud. ...
  3. In the Apps Using iCloud section, you can turn off any app's connection to iCloud by swiping the buttons to the left, turning them from green to grey.
Feb 4, 2022

Why is my iPhone storage full when I have iCloud? ›

1. Misconception: iCloud Isn't a Replacement. The key takeaway: iCloud stores your data, but it doesn't remove it from your device by default. Downloaded movies, music you haven't streamed in ages, and those "just-in-case" apps can silently gobble up space.

How do I delete photos from iCloud to free up space? ›

iCloud.com
  1. From your iPhone, iPad, Apple Vision Pro, or computer, sign in to iCloud.com.
  2. Select the Photos app.
  3. Select the photos or videos that you want to delete. ...
  4. Tap the Delete button.

Can I delete photos off my phone but keep them on iCloud? ›

Open Settings from your iPhone homescreen and tap your name. On the Apple ID screen, select iCloud > Photos. Use the toggle switch for Sync this iPhone to disable syncing. With the connectivity between iPhone and the iCloud disabled, you can safely delete photos from your iPhone.

Is it better to turn off iCloud? ›

Will turning off iCloud Drive free up storage space on my device? Disabling iCloud Drive will stop syncing files to your device, potentially freeing up storage space. However, keep in mind that any files already synced to your device will remain unless you choose to delete them.

What is the difference between iCloud backup and iCloud sync? ›

Where sync services ensure that a certain set of data is the same across multiple devices, backup ensures that all or most of the data on one device is backed up elsewhere.

Which is better, Google Photos or iCloud? ›

iCloud provides better photo and video editing options by connecting third-party apps to the library. If you just want to find a reliable place to store your photos and videos online, Google Photos is the right choice.

What are the disadvantages of iCloud storage? ›

Limited backup configuration options. Security - While encrypted, proprietary backup format gives less visibility into stored data. Requires trusting Apple's security methods. Reliability - Backups depend on having reliable Internet connectivity.

Why is my iCloud storage full when I have 128GB? ›

The easiest way to clean up iCloud and free up some much-needed space is to get rid of junk files. These are cache files, unneeded language files, document versions, temporary files, and downloads. When you use iCloud for backups, these files quickly pile up and become real space wasters.

Why do I need iCloud when I have storage? ›

To access your content on any device and help optimise your storage, you can also use iCloud storage. You can use iCloud storage to keep photos, videos, device backups and more, and keep this content up to date across your devices.

Should I sync my iPhone with iCloud? ›

Of course you need to sync. While iCloud eliminated the requirement for a computer when using an iPhone, syncing is a must. You either backup/sync with iCloud or directly with a computer. If you don't want to do that, you will eventually lose all of your data.

What does it mean when photos says syncing with iCloud? ›

Syncing your photo library means that all of your devices will display the same photos within the Photos app, no matter which device was used to take the pictures.

What does syncing messages to iCloud do? ›

Access the same messages on all your devices

When you set up iCloud for Messages, your messages are stored in the cloud, with only the most recently accessed Messages stored locally on your device. You can see them on any device that's set up for iCloud and Messages, including your iPhone, iPad, iPod touch, and Mac.

Is it safe to sync photos to iCloud? ›

If you choose to enable Advanced Data Protection, your trusted devices retain sole access to the encryption keys for the majority of your iCloud data, thereby protecting it using end-to-end encryption. Additional data protected includes iCloud Backup, Photos, Notes, and more.

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