Best Cloud Backup Apps

250+ iOS apps curated and reviewed

4.1 avg rating
20 free apps
Updated October 2026

Every iPhone needs a few good cloud backup apps. We benchmark 250+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Cloud Backup Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Microsoft OneDriveMicrosoft OneDriveFree4.7★ (488K)NoYesNov 2026
2Dropbox: Cloud Storage BackupDropbox: Cloud Storage BackupFree4.8★ (930K)NoYesNov 2026
3TeraBox: 1TB Cloud & AI SpaceTeraBox: 1TB Cloud & AI SpaceFree4.3★ (19K)NoYesNov 2026
4Cloud storage: Cloud backupCloud storage: Cloud backupFree—NoYesSep 2026
5Cloud Storage Data backupCloud Storage Data backupFree4.8★ (4)NoYesNov 2026
6Dosya: Cloud Backup & StorageDosya: Cloud Backup & StorageFree—NoNoOct 2026
7BigMIND Cloud BackupBigMIND Cloud BackupFree2.3★ (17)NoYesNov 2026
8Cloud Storage & Cloud DriveCloud Storage & Cloud DriveFree—YesYesOct 2026

Top Picks for Cloud Backup

Microsoft OneDrive#1

Microsoft OneDrive by Microsoft Corporation

File & photo cloud storage
Editor's Choice
📊 Productivity
4.7😐(488K ratings)
FreeIn-App Purchases
#17in Productivity
Microsoft OneDrive screenshot 1
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Microsoft OneDrive screenshot 6

Securely store, back up, and share your files and photos across all your devices. Access documents offline, scan physical items into digital format, and collaborate on Office documents in real time. Offers 5 GB free storage with options to upgrade for more.

What We Love

  • 🚀 Seamless syncing across devices
  • 💡 Useful for storing and accessing files
  • 🔒 Secure cloud storage
  • 👍 Great integration with Microsoft Office
  • 🚀 Fast uploads and downloads

Room to Improve

  • 🐛 Unreliable app performance
  • 🐛 Issues with photo/video uploads
  • 🐛 Buggy PDF annotation tools
  • 🐛 Inconsistent user experience across platforms
  • 🔋 High battery drain
Dropbox: Cloud Storage Backup#2

Dropbox: Cloud Storage Backup by Dropbox, Inc.

File Transfer & Photo Drive
Strong Contender
📊 Productivity
4.8😐(930K ratings)
FreeIn-App Purchases
#5in Productivity
Dropbox: Cloud Storage Backup screenshot 1
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Dropbox: Cloud Storage Backup screenshot 3
Dropbox: Cloud Storage Backup screenshot 4
Dropbox: Cloud Storage Backup screenshot 5
Dropbox: Cloud Storage Backup screenshot 6

Securely store, sync, and share files and photos across all your devices. Access documents offline, scan to PDF, and recover previous versions of your files. It offers robust cloud storage and collaboration tools for personal and professional use.

What We Love

  • 🚀 Reliable cloud storage
  • 🔒 Secure file sharing
  • 📁 Convenient file management
  • 💻 Cross-device accessibility
  • 📸 Automatic photo backups

Room to Improve

  • 🐛 Buggy app updates
  • 🔍 Confusing file navigation
  • ⚠️ Unreliable upload/sync
  • 💰 Expensive paid plans
  • 🔋 High battery drain
TeraBox: 1TB Cloud & AI Space#3

TeraBox: 1TB Cloud & AI Space by FLEXTECH INC.

Data Backup & Smart AI Tools
Worth Considering
📊 Productivity
4.3😐(19K ratings)
FreeIn-App Purchases
#67in Productivity
TeraBox: 1TB Cloud & AI Space screenshot 1
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This app offers 1024GB of free cloud storage and acts as an AI assistant. It helps organize and share files, create AI-generated images and videos, and provides tools for studying, transcription, and document management.

What We Love

  • 🚀 1TB of free storage
  • 👍 Easy to use and navigate
  • 💡 Ability to earn more storage through tasks
  • 🚀 Fast upload and download speeds
  • 🚀 Convenient backup solution

Room to Improve

  • 🔍 Limited search and organization features
  • 🔍 Difficulty accessing/downloading files
  • 🔍 Excessive ads and pop-ups
  • 🔍 Unreliable video playback and uploads
  • 🔍 Poor customer support

More Cloud Backup apps to explore

FAQ about Cloud Backup

What are the best cloud backup apps for iPhone?
Microsoft OneDrive tops our cloud backup apps ranking as of October 2026, with a 4.7-star average from 488K App Store ratings, and it's free to download.
Yes — 20 of the top cloud backup apps we rank are free to download, including Microsoft OneDrive and Dropbox: Cloud Storage Backup.
Microsoft OneDrive has no ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 250+ cloud backup apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.

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