Best One Cloud App

209+ iOS apps curated and reviewed

4.5 avg rating

19 free apps

Updated June 2026

The best one cloud app apps on iPhone average 4.5★ across 209+ titles — we've ranked them by what real users actually keep on their phones. Updated June 2026.

Top Picks for One Cloud App

#1

Microsoft OneDrive by Microsoft Corporation

File & photo cloud storage

Editor's Choice

📊 Productivity

4.7😐(486K ratings)

FreeIn-App Purchases

#15in Productivity

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Securely store, back up, and sync your photos, videos, and files across all your devices. Share content with others, scan documents, and access files offline. Offers free storage with options to upgrade for more space and premium features.

What We Love

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

Room to Improve

🐛 Unreliable app performance
🐛 Issues with photo/video uploads
🐛 Buggy PDF annotation tools

#2

OneCloud (Legacy) by TelWare Corporation

Mobile Office App

Strong Contender

💼 Business

4.5(26 ratings)

Free

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This business communication app extends cloud softphone capabilities beyond traditional landlines and desktops. It offers a unified communications solution for seamless interaction across multiple devices, maintaining user identity and automating communication tasks.

#3

OneCloud Connect by TelWare Corporation

Worth Considering

💼 Business

5.0(11 ratings)

Free

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Facilitate seamless business collaboration from any location. This app enables users to join high-definition video conferences, share screens and files, and manage communications through direct messaging and channels. It also offers advanced phone and voicemail management features for enhanced productivity.

More One Cloud App apps to explore

Cloud: 1 drive - more storage

Cloud: 1 drive - more storage

Photo backup & save pictures

This app offers a free cloud storage service for photos, videos, documents, and other files. It allows for automatic photo backup from your mobile device, freeing up space. You can easily share files and folders, stream media, and manage your data from any location.

Automatic photo backupFree up device spaceShare files and folders

📊 Productivity

free with in-app purchases

Dropbox: Cloud Storage Backup

Dropbox: Cloud Storage Backup

File Transfer & Photo Drive

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.

Automatic photo and video uploadOffline file accessLarge file sharing via links

📊 Productivity

free with in-app purchases

Cloud storage, backup & more

Safely back up your phone's photos, contacts, and messages to the cloud. Manage your Google account storage across Drive, Gmail, and Photos, and easily free up space. Upgrade for more storage and benefits.

Phone backup (photos, contacts, messages)Cloud storage managementFree up space tool

📊 Productivity

free with in-app purchases

mail.com - email & cloud

mail.com - email & cloud

Mailbox for storage & mail

Manage your emails and cloud storage from a single app. Receive instant notifications for new messages and access your contacts and documents on the go. Secure your account with PIN or biometric authentication.

Unified inbox for all email addresses2GB cloud storagePush notifications

📊 Productivity

free with in-app purchases

AppToCloud - Copy My Data

AppToCloud - Copy My Data

Transfer Photos & Content

Easily transfer files from your device to various cloud storage services. Free up device space by moving photos, videos, and documents to platforms like Dropbox, Google Photos, and OneDrive. This app offers a secure and convenient way to manage your data and ensure it's accessible from anywhere.

Transfer files to cloud storageFree up device spaceSupports Dropbox, Google Photos, OneDrive

📊 Productivity

free with in-app purchases

Manage your Google Cloud services on your iPhone or iPad. Monitor billing, status, and critical issues. Create custom dashboards, access Cloud Shell, and SSH into VMs for direct control.

Cloud service managementBilling and status monitoringCustomizable dashboards

📊 Productivity

free with in-app purchases

pCloud - Cloud Storage

pCloud - Cloud Storage

Securely store and access your photos, videos, and documents from any device. Automatically back up media to free up phone space and stream content on the go. Share large files easily with others.

Up to 10 GB free storageAutomatic photo and video backupStream HD videos and music

📊 Productivity

free with in-app purchases

Microsoft Outlook

Microsoft Outlook

Secure Email, Calendar & Files

Consolidate all your email accounts and calendars into one streamlined application. Manage your inbox, schedule meetings, and access files from various cloud services. Enhance productivity with AI-powered writing assistance and smart inbox features.

Unified inbox for multiple email accountsSmart inbox sortingQuick swipe actions

📊 Productivity

free with in-app purchases

MEGA: Encrypted Cloud Storage

MEGA: Encrypted Cloud Storage

Secure Storage & Chat

Securely store, sync, and share your files with end-to-end encryption. Communicate privately with encrypted chat and video calls. Access your data from any device, anywhere.

End-to-end encrypted cloud storageSecure one-on-one and group chatEncrypted audio and video calls

📊 Productivity

free with in-app purchases

Total files pro

Total files pro

Enchanced cloud file manager

Manage all your files from various cloud services and local storage in one place. This app offers a powerful PDF reader with annotation tools, advanced search capabilities, and seamless integration with iOS.

Cloud storage integration (Dropbox, Google Drive, OneDrive, iCloud)iOS Files app integrationVirtual folders for organizing files

Faves - cloud video storage

Faves - cloud video storage

All your videos in the cloud

Safely store and organize all your favorite videos in the cloud. Upload from your camera roll to free up device storage while ensuring your content is accessible anytime in HD quality. Easily find videos with search and custom stacks.

Automatic cloud storageUpload from camera rollFree up device storage

🌐 Social Networking

free with in-app purchases

PikPak - Cloud Storage & Saver

PikPak - Cloud Storage & Saver

Cloud Storage for Photos&Files

Securely store and access your photos and files with private cloud storage. Easily forward content from Telegram or use system sharing. Enjoy online previews and playback with fast cloud transfer technology.

Private cloud storageTelegram Bot integrationOnline photo preview

free with in-app purchases

Private cloud storage

Access, manage, and share your files and photos from your private cloud storage. Upload media to free up phone space, work on documents offline, and utilize AI assistance. Secure your data with password or FaceID protection and end-to-end encryption.

Connect multiple cloud accountsAccess and share documentsUpload photos and videos

📊 Productivity

by Western Digital Technologies, Inc.

Centralize all your photos, videos, and files in one location. Access and share your content from any device, anywhere with an internet connection. Automatically back up your phone's media and stream videos on the go.

Centralized file storageRemote access from anywhereAutomatic phone backup

📊 Productivity

Microsoft Azure

Microsoft Azure

Azure – anytime, anywhere

Manage and monitor your cloud resources from anywhere. Receive real-time notifications and alerts for critical health issues. Take immediate corrective actions on your virtual machines and web apps directly from your mobile device.

Monitor cloud resource statusView critical metricsReceive notifications and alerts

TeraBox: 1TB Cloud & AI Space

TeraBox: 1TB Cloud & AI Space

Data Backup & Smart AI Tools

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.

1024GB Free Cloud StorageAutomatic Data BackupAI-Powered Search & Browsing

📊 Productivity

WEB.DE - Mail, Cloud & News

WEB.DE - Mail, Cloud & News

Secure. Simple. Informative.

Manage your emails, store files securely online, and stay informed with news, all within one app. Features an intelligent mailbox for better organization and a protected online storage solution with German data protection standards.

Intelligent mailbox for thematic email sorting1 GB email storage2 GB minimum online storage

📊 Productivity

free with in-app purchases