Best Free Cloud Storage Apps for Android, iPhone and Computer in 2026

nuvellozaPublished 20 Jul 202614 min read

Last updated: 20 July 2026

Best Free Cloud Storage Apps for Android, iPhone and Computer in 2026

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Cloud storage apps allow users to save photos, videos, documents, backups, and other files online instead of keeping everything only on one phone or computer.

Once uploaded, files can usually be accessed from multiple devices, shared with other people, and recovered when a phone is lost, damaged, or replaced.

Many cloud services offer a free plan, but the amount of storage, privacy protection, upload limits, device support, and backup features vary significantly.

This guide compares some of the best free cloud storage apps available in 2026.

Important: Nuvelloza.com is an independent informational website. We are not affiliated with Google, Microsoft, Apple, Dropbox, Proton, Box, pCloud, Sync.com, or any cloud-storage provider.

Best Free Cloud Storage Apps: Quick Comparison

Service	Free storage	Best for	Main limitation
Google Drive	Up to 15 GB	Android, documents, sharing, Google users	Shared with Gmail and Google Photos
pCloud	Up to 10 GB	General file storage and media access	Full free amount may require account tasks
Box	10 GB	Documents and collaboration	250 MB upload limit on the free plan
OneDrive	5 GB	Windows and Microsoft users	Shared Microsoft cloud quota
iCloud	5 GB	iPhone, iPad, Mac, and Apple backups	Fills quickly with device and photo backups
Proton Drive	5 GB	Privacy and encrypted storage	Less free storage than some competitors
Sync.com	5 GB	Private file storage and sharing	Free plan has feature and device limits
Dropbox	2 GB	Simple syncing and file sharing	Very small free-storage allowance

Free-storage limits, features, promotions, and account conditions may change. Always check the provider’s current plan page before uploading important files.

What Is Cloud Storage?

Cloud storage is an online service that stores files on remote servers managed by a provider.

Users may be able to:

Upload photos and videos
Store documents
Back up phone files
Sync folders between devices
Share files through links
Collaborate on documents
Access files from a browser
Restore recently deleted files
Keep selected files available offline

Cloud storage is useful, but it should not be the only copy of irreplaceable data.

For important family photos, legal documents, business records, or creative work, keep at least one additional backup on another service, computer, or external drive.

1. Google Drive

Best for: Android users, Google Docs, sharing, students, and general file storage

Google Drive is one of the most widely integrated cloud services for Android, Gmail, Google Photos, Docs, Sheets, and Slides.

Each standard Google Account includes up to 15 GB of free storage, shared across Google Drive, Gmail, and Google Photos.

Main features

File and folder storage
Android and iPhone apps
Browser access
Google Docs, Sheets, and Slides
File sharing
Collaborative editing
Offline file access
Photo and video storage through Google Photos
Search and document preview
Automatic backup options on supported devices

Advantages

Generous free allowance compared with many major competitors
Excellent collaboration tools
Convenient for Android users
Easy sharing through links
Works on phones, tablets, Windows, Mac, and browsers
Integrated with Gmail and Google Workspace tools

Limitations

The 15 GB allowance is not reserved only for Drive. It is shared with Gmail messages, email attachments, and Google Photos.

A user with many photos or large Gmail attachments may therefore run out of space even when the Drive folder itself is relatively small.

Best for

Google Drive is a strong choice for:

Students
Android users
Shared documents
Office files
General backups
Collaborative work
People already using Gmail

2. pCloud

Best for: General file storage, media access, cross-device syncing, and users wanting more free space

pCloud offers up to 10 GB of free cloud storage and supports access from mobile devices, computers, and the web.

The full free allowance may require completing account steps such as verifying an email address or finishing beginner tasks.

Main features

Android and iPhone apps
Windows, Mac, and Linux support
File sharing
Photo and video backup
Audio and media playback
Offline access
Folder syncing
Public sharing links
File previews

Advantages

Up to 10 GB free
Good cross-platform support
Useful for photos, videos, and music
No credit card needed for the free plan
Easy access across multiple devices

Limitations

The full free amount may need to be unlocked
Some enhanced encryption features may require a paid option
Paid storage and lifetime plans are promoted inside the service
Users should check current file-history and recovery limits

Best for

pCloud is suitable for:

Photos and media
General file storage
Users who want more free space than Dropbox
People using several operating systems

3. Box

Best for: Documents, sharing, business-style collaboration, and light personal storage

Box offers a free Individual plan with 10 GB of storage. The current plan includes a 250 MB individual file-upload limit.

Main features

File storage
Folder sharing
Document previews
Mobile apps
Browser access
Collaboration
Electronic-signature features
Integrations with productivity tools

Advantages

10 GB free
Useful for documents and PDFs
Strong sharing and collaboration focus
Suitable for personal or light professional use
Available across major platforms

Limitations

The free plan’s 250 MB upload limit makes it less suitable for large videos, disk images, or high-resolution media files.

The free plan also has fewer file versions and advanced administrative features than paid business plans.

Best for

Box works well for:

Documents
PDFs
Work files
Small project folders
Sharing files with colleagues

4. Microsoft OneDrive

Best for: Windows users, Word and Excel files, Microsoft 365 integration, and PC backups

A free Microsoft account includes 5 GB of cloud storage. That quota is used for OneDrive files and photos as well as certain Microsoft cloud data, including Outlook.com attachments.

OneDrive works on Windows, macOS, Android, and iOS.

Main features

Windows integration
Android and iPhone apps
Photo backup
File sharing
Office document editing
Browser access
Folder synchronisation
Personal Vault
Document scanning
Microsoft 365 integration

Advantages

Built into modern Windows systems
Excellent for Word, Excel, and PowerPoint users
Easy syncing between a Windows computer and phone
Good document collaboration
Free web and mobile Microsoft productivity apps

Limitations

Only 5 GB free
Storage can be consumed by OneDrive files and Microsoft cloud attachments
Full desktop Office applications generally require an eligible Microsoft 365 licence
Large photo backups can fill the account quickly

Best for

OneDrive is ideal for:

Windows users
Microsoft Office files
PC folder backup
Students and office workers
People already using Outlook or Microsoft accounts

5. Apple iCloud

Best for: iPhone, iPad, Mac, device backups, Apple Photos, and Apple users

Apple provides 5 GB of free iCloud storage when a user sets up iCloud.

That storage may be used for iCloud device backups, iCloud Photos, iCloud Drive, messages, and other synced Apple data.

Main features

iPhone and iPad backup
iCloud Photos
iCloud Drive
Contacts and calendar syncing
Messages backup
Notes
Safari syncing
Find My
Apple-device integration
Browser access through iCloud.com

Advantages

Excellent integration with Apple devices
Automatic iPhone and iPad backups
Easy photo synchronisation
Files appear across iPhone, iPad, and Mac
Simple setup for Apple users

Limitations

The free 5 GB fills quickly
Device backup, photos, and files use the same allowance
Less convenient for users primarily using Android or Windows
Larger storage plans require iCloud+

Best for

iCloud is the natural option for:

iPhone users
iPad users
Mac owners
Apple Photos
Device backups
People fully using the Apple ecosystem

6. Proton Drive

Best for: Privacy, encrypted documents, confidential personal files, and secure sharing

Proton Drive provides 5 GB of free end-to-end encrypted cloud storage.

Proton says that files, file names, and related information are encrypted on the user’s device before upload.

Main features

End-to-end encrypted storage
Android and iPhone apps
Web access
Secure file sharing
Encrypted links
Photo backup
Proton Docs
File and folder storage
Privacy-focused account controls

Advantages

Strong privacy focus
End-to-end encryption on the free plan
Encrypted file sharing
No advertising-based business model
Useful for sensitive personal documents
Based in Switzerland

Limitations

5 GB free
Some advanced features and larger storage require payment
Collaboration and app integration may be less extensive than Google Drive or OneDrive
Users must protect their password and recovery information carefully

Best for

Proton Drive is especially useful for:

Private documents
Identity-document backups
Personal records
Confidential files
Users who prioritise encryption over maximum free space

7. Sync.com

Best for: Privacy-focused file storage, encrypted sharing, and personal backups

Sync.com offers 5 GB of free cloud storage and supports up to five devices on its free plan. Apps are available for Windows, macOS, Android, iOS, and the web.

The service promotes end-to-end encryption and zero-knowledge authentication.

Main features

Encrypted cloud storage
Mobile and desktop applications
File sharing
Device syncing
Browser access
Folder collaboration
Privacy-focused account controls

Advantages

5 GB free
End-to-end encryption
Support for major devices
Useful for private document storage
Up to five devices on the free plan

Limitations

Smaller ecosystem than Google, Microsoft, or Apple
Some offline, recovery, and advanced sharing tools require paid plans
Free-account device limits apply
Syncing very large collections may take time

Best for

Sync.com is suitable for:

Sensitive personal files
Private sharing
Document backups
Users who want encryption with desktop syncing

8. Dropbox

Best for: Simple file sharing, reliable synchronisation, and users who need only a small amount of space

Dropbox Basic provides 2 GB of free storage.

The free personal plan can be connected to up to three devices.

Main features

File syncing
Shared folders
File links
Camera uploads
Document scanning
Browser access
Android and iPhone apps
Windows and Mac support

Advantages

Simple and well-known interface
Good file syncing
Easy link sharing
Useful for small shared folders
Works across major devices

Limitations

Only 2 GB free
Three-device limit on the free plan
Photos and videos can consume the storage quickly
Larger paid plans may be excessive for users needing only modest extra space

Best for

Dropbox is useful for:

Small folders
Sharing documents
Light synchronisation
Users already collaborating through Dropbox

Which Free Cloud Storage App Is Best?

There is no single best service for everyone.

Best overall free storage

Google Drive

It offers up to 15 GB and has excellent document, sharing, and collaboration tools. Remember that the space is shared with Gmail and Google Photos.

Best for the Apple ecosystem

iCloud

It is deeply integrated with iPhone, iPad, and Mac, although the free 5 GB can fill quickly.

Best for Windows and Office users

OneDrive

It works naturally with Windows and Microsoft productivity services.

Best for privacy

Proton Drive

It combines a free 5 GB allowance with end-to-end encryption and encrypted sharing.

Best free storage for documents

Box

It provides 10 GB, although its 250 MB upload limit makes it better for documents than large videos.

Best for more general free space

pCloud

It offers up to 10 GB after completing the applicable account steps.

Best for simple syncing

Dropbox

It remains easy to use, but its free 2 GB allowance is much smaller than most alternatives.

Best Cloud Storage by Use Case

Need	Recommended service
Android phone backup	Google Drive and Google Photos
iPhone backup	iCloud
Windows file syncing	OneDrive
Private documents	Proton Drive or Sync.com
Free document storage	Box
Photos and media	Google Drive, pCloud, or iCloud
Small shared folders	Dropbox
Office collaboration	Google Drive or OneDrive
Maximum simplicity	Google Drive or Dropbox
Cross-platform storage	pCloud or Google Drive

Are Free Cloud Storage Apps Safe?

Major providers use security controls such as encrypted connections, account authentication, and data-centre protections.

However, cloud security also depends on the user.

An account can still be compromised through:

Weak passwords
Reused passwords
Phishing
Stolen devices
Fake login pages
Malware
Shared links
Incorrect permissions
Unprotected email accounts

For better security:

Use a unique password
Enable two-factor authentication
Review connected devices
Remove old sharing links
Keep recovery details updated
Lock the phone
Avoid public computers for sensitive accounts
Never share an OTP
Download only official apps

End-to-End Encryption vs Standard Cloud Encryption

Many cloud services encrypt data while it is being transferred and stored.

End-to-end encrypted services add another layer by encrypting files before they leave the user’s device, so the service is designed not to have access to the readable content.

Proton Drive and Sync.com advertise end-to-end encrypted or zero-knowledge-style protection for user files.

This may be useful for confidential documents, but users should still keep a separate backup and protect account-recovery details.

What Should You Store in the Cloud?

Cloud storage is useful for:

Photos
Videos
School documents
Work files
Scanned certificates
Resumes
Project files
Travel documents
Non-sensitive backups
Shared family folders

Be more cautious with:

Password lists
Banking PINs
Cryptocurrency recovery phrases
Unencrypted medical records
Full identity-document collections
Confidential business files
Highly sensitive legal documents

Sensitive files should be protected with strong account security and, where appropriate, additional encryption.

Cloud Storage Is Not the Same as a Complete Backup

A synchronised folder may copy accidental deletions or file changes across devices.

For important data, use the 3-2-1 backup principle:

Keep at least three copies
Store them on two different types of media or services
Keep one copy separate from the main device

For example:

One copy on your phone or computer
One copy in cloud storage
One copy on an external drive

How to Choose the Right Cloud Storage App

Consider these factors:

Free Storage Amount

Choose based on the type and size of files you store.

Documents need less space than high-resolution photos and videos.

Device Compatibility

Check whether the service supports:

Android
iPhone
Windows
Mac
Linux
Browser access

Automatic Backup

Some apps are better for automatic camera or device backup.

File-Upload Limits

A service may offer substantial total storage while limiting the size of each uploaded file.

For example, Box currently gives free individual users 10 GB but limits individual uploads to 250 MB.

Privacy

Review:

Encryption
Data processing
Account recovery
Sharing settings
Privacy policy
Two-factor authentication

Collaboration

Google Drive, OneDrive, Dropbox, and Box are particularly useful when multiple people need to access or edit files.

Paid Upgrade Cost

Check the actual price in your country before relying heavily on one provider.

How to Download Cloud Storage Apps Safely

Install apps through:

Google Play Store
Apple App Store
Microsoft Store
The provider’s official website

Verify:

Developer name
App icon
Official website
Privacy information
Recent reviews
Requested permissions

Avoid:

Modified APKs
“Unlimited storage free” apps
Cracked premium versions
Unknown backup applications
Links sent through suspicious messages

Common Cloud Storage Problems

Storage Is Full

Try:

Deleting duplicate photos
Removing large videos
Emptying the trash or recycle bin
Deleting old email attachments
Moving files to another backup
Compressing archives
Downloading files to an external drive

Remember that Google’s storage is shared with Gmail and Photos, while Microsoft’s free cloud allowance is shared with OneDrive files and certain Outlook attachments.

Files Are Not Syncing

Check:

Internet connection
Available cloud space
Device storage
Battery restrictions
Background-data permissions
Correct account
App updates
File-name restrictions

Upload Is Too Slow

Large videos may take a long time.

Try:

Using reliable Wi-Fi
Uploading smaller groups
Keeping the app open
Disabling battery-saving restrictions temporarily
Uploading during off-peak hours
Avoiding simultaneous downloads

File Was Deleted

Check the service’s trash, recycle bin, deleted-files section, or version history.

Recovery periods differ between free and paid plans.

Cannot Open a Shared File

Possible reasons include:

Link expired
Owner removed access
Wrong Google, Microsoft, or Apple account
File was deleted
Download limit reached
Organisation blocks external access

Frequently Asked Questions

Which cloud app gives the most free storage?

Among the major services listed here, Google provides up to 15 GB, while pCloud and Box offer up to 10 GB. Google’s allowance is shared with Gmail and Google Photos.

Is Google Drive completely free?

Google Drive offers free storage as part of a Google Account, but extra storage requires a Google One plan.

Is iCloud free on iPhone?

Yes. Apple provides 5 GB free, but device backups, iCloud Photos, and iCloud Drive share that allowance.

Which service is best for private files?

Proton Drive and Sync.com are strong privacy-focused options because they advertise end-to-end encrypted file storage.

Can cloud storage replace an external drive?

It can be part of a backup strategy, but important data should ideally exist in more than one place.

Can I use several free cloud services?

Yes. Users may keep different categories of files on different services. However, managing several accounts can become confusing, so keep an organised record of where files are stored.

Are digital files safe forever?

No provider can guarantee permanent availability. Accounts can be lost, files can be deleted, policies can change, and users can lose passwords. Keep additional backups.

Which app is best for photos?

Google Photos and Drive are convenient for Android, while iCloud Photos is best integrated with Apple devices. pCloud also offers phone photo backup.

Is Dropbox still free?

Yes. Dropbox Basic currently provides 2 GB of free storage.

Does OneDrive work on iPhone?

Yes. Microsoft states that OneDrive works on Windows, macOS, iOS, and Android.

Final Recommendation

For most people:

Use Google Drive for documents, sharing, and general storage.
Use iCloud when your main devices are from Apple.
Use OneDrive when you work mainly on Windows and Microsoft Office.
Use Proton Drive for private and sensitive personal files.
Use pCloud or Box when you want up to 10 GB of additional free storage.
Use Dropbox only when simple syncing matters more than free capacity.

Do not choose a service based only on the number of free gigabytes. Security, device support, backup behaviour, file limits, and ease of recovery matter just as much.

Disclaimer

This article is provided for general informational purposes only.

Nuvelloza.com is not affiliated with or endorsed by Google, Microsoft, Apple, Dropbox, Proton, Box, pCloud, Sync.com, Google Play, or the Apple App Store.

Storage allowances, device limits, upload limits, privacy features, pricing, subscriptions, recovery periods, and app availability may change without notice.

Always verify the current free plan and terms through the provider’s official website or app-store listing before uploading important files.

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Nuvelloza’s editorial team is responsible for researching, reviewing, and maintaining this guide.