1. Home
  2. Topics
  3. Extra Storage

Best Extra Storage Apps

250+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated September 2026

Finding the right extra storage apps can be overwhelming with so many options. We've analyzed 250+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Extra Storage Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Extra Space StorageExtra Space StorageFree4.5★ (22K)NoNoSep 2026
2TeraBox: 1TB Cloud & AI SpaceTeraBox: 1TB Cloud & AI SpaceFree4.3★ (19K)NoYesSep 2026
3Dropbox: Cloud Storage BackupDropbox: Cloud Storage BackupFree4.8★ (900K)NoYesSep 2026
4Extra Space Storage EventsExtra Space Storage EventsFree5.0★ (1)NoNoMay 2026
5Public StoragePublic StorageFree4.5★ (104K)YesNoSep 2026
6Cloud Storage: Cloud Drive AppCloud Storage: Cloud Drive AppFree4.5★ (1.7K)NoYesSep 2026
7Private Vault StoragePrivate Vault StorageFree4.6★ (248)NoNoSep 2026
8Storage Smart Entry by NokēStorage Smart Entry by NokēFree4.9★ (7.8K)NoNoSep 2026

Top Picks for Extra Storage

Extra Space Storage#1

Extra Space Storage by Extra Space Management, INC

Life Storage & Storage Express
Editor's Choice
🔧 Utilities
4.5😐(22K ratings)
Free
Extra Space Storage screenshot 1
Extra Space Storage screenshot 2
Extra Space Storage screenshot 3
Extra Space Storage screenshot 4

Manage your storage unit and payments easily. Access facility information, gate codes, and even open gates with your phone at participating locations. Keep your account details updated and track access activity.

What We Love

  • 🚀 Easy access and convenience
  • 👍 Friendly and helpful staff
  • 🔒 Secure and clean facility
  • 💡 Useful digital access features

Room to Improve

  • 🐛 Glitchy and unreliable app
  • 💰 Frequent and steep price increases
  • 🔑 Issues with digital access/Bluetooth locks
  • ⏱️ Frustrating login/logout experience
TeraBox: 1TB Cloud & AI Space#2

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

Data Backup & Smart AI Tools
Strong Contender
📊 Productivity
4.3😐(19K ratings)
FreeIn-App Purchases
#47in Productivity
TeraBox: 1TB Cloud & AI Space screenshot 1
TeraBox: 1TB Cloud & AI Space screenshot 2
TeraBox: 1TB Cloud & AI Space screenshot 3
TeraBox: 1TB Cloud & AI Space screenshot 4
TeraBox: 1TB Cloud & AI Space screenshot 5
TeraBox: 1TB Cloud & AI Space screenshot 6

This app offers 1024GB of free cloud storage for automatic file backup and synchronization across devices. It also integrates a suite of AI tools for smart searching, image creation, transcription, video playback with subtitles, 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
Dropbox: Cloud Storage Backup#3

Dropbox: Cloud Storage Backup by Dropbox, Inc.

File Transfer & Photo Drive
Worth Considering
📊 Productivity
4.8😐(900K ratings)
FreeIn-App Purchases
#5in Productivity
Dropbox: Cloud Storage Backup screenshot 1
Dropbox: Cloud Storage Backup screenshot 2
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 your files and photos across all your devices. Easily upload, access, and send documents, videos, and more from anywhere, even offline. Offers robust backup and recovery features for peace of mind.

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

More Extra Storage apps to explore

FAQ about Extra Storage

What are the best extra storage apps for iPhone?
Extra Space Storage tops our extra storage apps ranking as of September 2026, with a 4.5-star average from 22K App Store ratings, and it's free to download.
Yes — 20 of the top extra storage apps we rank are free to download, including Extra Space Storage and TeraBox: 1TB Cloud & AI Space.
Extra Space Storage has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 250+ extra storage apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
The app provides Extra Space Storage customers with quick access to facility information like address, hours, and contact details. It also allows you to manage your account, make payments, update information, and access your storage unit and facility gate at participating locations.
At participating facilities, the app uses Bluetooth technology to allow you to open your storage unit and facility gate with the push of a button directly from your phone. You can also easily share access with others without needing to provide physical keys or codes.