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Best Cross Device Sync Apps

242+ iOS apps curated and reviewed

3.7 avg rating
20 free apps
Updated July 2026

Every iPhone needs a few good cross device sync apps. We benchmark 242+ 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 Cross Device Sync Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Resilio SyncResilio SyncFree4.5★ (844)YesNoAug 2026
2Linkboard - Cross-Device P2PLinkboard - Cross-Device P2PFree5.0★ (3)NoNoJul 2026
3DoubleVision - Sync Screen with Computer & other iPhones in RealtimeDoubleVision - Sync Screen with Computer & other iPhones in RealtimeFree1.8★ (63)NoNoAug 2026
4SynctrainSynctrainFree4.9★ (123)NoNoAug 2026
5Clipp.netClipp.netFree—NoNoAug 2026
6Möbius SyncMöbius SyncFree3.8★ (140)NoYesAug 2026
7CrossPoint SyncCrossPoint SyncFree4.5★ (10)NoNoAug 2026
8Sync: File Backup & Cloud SyncSync: File Backup & Cloud SyncFree3.7★ (26)YesYesJul 2026

Top Picks for Cross Device Sync

Resilio Sync#1

Resilio Sync by Resilio Inc.

File transfer and photo backup
Editor's Choice
📊 Productivity
4.5😊(844 ratings)
FreeAds
Resilio Sync screenshot 1
Resilio Sync screenshot 2
Resilio Sync screenshot 3
Resilio Sync screenshot 4
Resilio Sync screenshot 5

Securely transfer files and back up photos between your devices without using third-party servers. Enjoy unlimited storage and speed, with direct peer-to-peer transfers for privacy and efficiency. Supports all file types across various platforms.

What We Love

  • 🚀 Fast and reliable syncing
  • 🔒 Secure private cloud solution
  • 👍 Seamless cross-platform integration
  • 💡 Selective sync for efficient storage management

Room to Improve

  • 🐛 Occasional crashes and bugs
  • 🔋 Lack of background sync on iOS
  • 👎 Limited file management features within the app
Linkboard - Cross-Device P2P#2

Linkboard - Cross-Device P2P by Minimalist Network Co., Ltd.

Private Clipboard & File Sync
Strong Contender
🔧 Utilities
5.0(3 ratings)
Free
Linkboard - Cross-Device P2P screenshot 1
Linkboard - Cross-Device P2P screenshot 2
Linkboard - Cross-Device P2P screenshot 3
Linkboard - Cross-Device P2P screenshot 4
Linkboard - Cross-Device P2P screenshot 5

Seamlessly sync text, images, and files across your devices using local network or Bluetooth. Manage clipboard history and paste directly from the iOS keyboard extension without leaving your current app. This app prioritizes privacy by not relying on cloud services or collecting user data.

DoubleVision - Sync Screen with Computer & other iPhones in Realtime#3

DoubleVision - Sync Screen with Computer & other iPhones in Realtime by DoubleVision Labs

Worth Considering
🌟 Lifestyle
1.8😞(63 ratings)
Free
DoubleVision - Sync Screen with Computer & other iPhones in Realtime screenshot 1
DoubleVision - Sync Screen with Computer & other iPhones in Realtime screenshot 2
DoubleVision - Sync Screen with Computer & other iPhones in Realtime screenshot 3

Seamlessly mirror content from your computer or other iOS devices to your iPhone or iPad in real-time. Share links, videos, apps, and more, even across different locations. Offers direct screen sharing with friends via Facebook Chat.

What We Love

  • 💡 Cool concept
  • 💡 Innovative idea
  • 💡 Helpful for sharing
  • 💡 Saves time

Room to Improve

  • 🐛 Crashes on launch
  • 🐛 App doesn't open
  • 🐛 Instantly crashes

More Cross Device Sync apps to explore

4
Synctrain
Synctrain
Synctrain
Synchronize files securely
Free

Securely synchronize files and folders between your devices. Stream audio and video directly from other devices. Manage file sharing permissions to control access to your data.

Secure file synchronizationFull folder synchronizationSpecific file selection
📊 Productivity
(123)
free
5
Clipp.net
Clipp.net
Clipp.net
Cross-platform clipboard sync.
Free
🔧 Utilities
(0)
6
Möbius Sync
Möbius Sync
Möbius Sync
File sync with Syncthing
Free

Synchronize files between your iOS devices and other Syncthing-supported platforms without relying on cloud storage. Manage multiple folders and remote devices, with options for sandbox or experimental cross-app sandbox syncing.

File synchronization between iOS and other Syncthing devicesNo cloud service requiredSupports multiple folders and remote devices
📊 Productivity
(140)
free with in-app purchases
7
CrossPoint Sync
CrossPoint Sync
CrossPoint Sync
by Zohaib Rauf
Free

Wirelessly transfer books and manage your e-ink reader's library from your iOS device. Clip web articles and convert them into EPUBs for seamless reading. Organize files, create folders, and set custom sleep screens.

Wireless file transfer over WiFiDevice file browser and managementSafari web article clipping to EPUB
📚 Books
(10)
free
8
Sync: File Backup & Cloud Sync
Sync: File Backup & Cloud Sync
Sync: File Backup & Cloud Sync
Backup, restore & share files
Free

This app facilitates file synchronization, backup, and restoration across local storage and various cloud services. It includes a file manager for browsing and manipulating files, and a web server for sharing local content over Wi-Fi. Users can set up custom tasks for different transfer operations.

File synchronizationBackup and restoreLocal and cloud drive support
📊 Productivity
(26)
free with in-app purchases
9
CrossPaste
CrossPaste
CrossPaste
Copy once, paste anywhere.
Free
🔧 Utilities
(0)
10
SyncUp-Client
SyncUp-Client
SyncUp-Client
A Syncthing Client
Free

This open-source client enables peer-to-peer file synchronization between your iOS device and other Syncthing nodes. It allows direct, end-to-end encrypted transfers between your own devices without relying on third-party servers.

QR code device pairingFolder sharing controlsLive status updates
🔧 Utilities
(3)
free
11
Radio Wave Sync
Radio Wave Sync
Radio Wave Sync
Sync Radio Controlled Watch
Free

This app helps synchronize radio-controlled watches by simulating time signal waves. It supports various international time signal standards and offers a 'Beast Mode' for faster synchronization. Simply place your watch near your device's speaker and start the process.

Simulates international time wave signalsSupports China, USA, Japan, Germany, and UK signalsUnique 'Beast Mode' for faster sync
🔧 Utilities
(1K)
free with in-app purchases
12
Boogie Board Sync
Boogie Board Sync
Boogie Board Sync
by Kent Displays, Inc.
Free

This app connects to a specialized writing tablet via Bluetooth to help you organize, edit, and share your notes and drawings. It allows for real-time sharing and synchronization with cloud services, and you can even create content directly within the app.

Automatic page downloadPage organization and searchIn-app page markup
📊 Productivity
(111)
free
13
Cross Paste: Clipboard Sync
Cross Paste: Clipboard Sync
Cross Paste: Clipboard Sync
Universal Manager & History
Free

Seamlessly copy text and links on one device and instantly paste them on another, including your iPhone, iPad, Mac, and Windows PC. This cross-device clipboard syncs your content securely and privately without requiring an account.

Instant clipboard syncCross-platform compatibilitySearchable history
📊 Productivity
(2)
freemium
14
Clone My Data - Data Backup
Clone My Data - Data Backup
Clone My Data - Data Backup
Data sync, backup and restore
Free

Easily transfer photos, videos, contacts, and files between your iPhone, iPad, and Mac. It enables secure and quick data synchronization or complete phone cloning without requiring the same Apple account.

Transfer photos, videos, contacts, calendar, reminders, files, musicData synchronization and phone cloningSecure and fast file transfer
🔧 Utilities
(86)
free with in-app purchases
15
SyncGene Sync Contact Calendar
SyncGene Sync Contact Calendar
SyncGene Sync Contact Calendar
Sync Service and Web app
Free

This service synchronizes calendars, contacts, and tasks across multiple devices and cloud services like iCloud, Google, and Microsoft. It automates data updates to prevent duplicates and ensure consistency across all connected platforms.

Sync contacts, calendar events, and tasksSync across multiple devices and servicesAutomatic background synchronization
📊 Productivity
(20)
free with in-app purchases
16
GoodSync
GoodSync
GoodSync
Explore/View files on desktops
Free

Access and manage files on your desktop computers from your mobile device. Upload files and folders to your desktop or use your phone to carry and sync files between multiple computers.

Explore desktop filesView desktop filesDownload desktop files
🔧 Utilities
(20)
free
17
CrossShare
CrossShare
CrossShare
Share data across devices
Free
📊 Productivity
(0)
18
Sync with Files
Sync with Files
Sync with Files
Backup photos to Files
Free
📊 Productivity
(0)
19
Toyota
Toyota
Toyota
Connect to your Toyota
Free

Manage your vehicle remotely, schedule service, and access navigation and safety features. Stay connected to your car for convenience, safety, and peace of mind.

Remote engine start/stopRemote door lock/unlockService scheduling and vehicle health tracking
🌟 Lifestyle
(821K)
free with in-app purchases
20
Fitbit Health Sync
Fitbit Health Sync
Fitbit Health Sync
by Praveen Murugesan
Free

This utility app securely connects your Fitbit account to Apple Health, syncing vital health metrics like weight, steps, and sleep. Keep your health profile updated across your iPhone and other fitness applications with ease.

Secure Fitbit OAuth sign-inSync to Apple Health with duplicate protectionManual sync option
💪 Health & Fitness
(1)
free

FAQ about Cross Device Sync

What are the best cross device sync apps for iPhone?
Resilio Sync tops our cross device sync apps ranking as of July 2026, with a 4.5-star average from 844 App Store ratings, and it's free to download.
Yes — 20 of the top cross device sync apps we rank are free to download, including Resilio Sync and Linkboard - Cross-Device P2P.
Resilio Sync shows ads and has no in-app purchases, according to its App Store listing as of July 2026.
We track 242+ cross device sync apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
Resilio Sync allows you to transfer files and back up photos directly between your devices like Macs, PCs, NAS, and servers. It creates a private cloud for secure, peer-to-peer syncing without relying on third-party cloud storage.
Your data is never stored on third-party servers. Transfers are direct and peer-to-peer, meaning only your connected devices can access your files, ensuring maximum privacy and security.