4sync Alternatives for iPhone

Dropbox is a leading cloud storage and file synchronization service that enables users to store, share, and access files from virtually anywhere with an internet connection. It offers a user-friendly interface, seamless cross-platform synchronization, and a suite of features designed to enhance collaboration and productivity.

Google Drive is a powerful cloud storage service that offers secure file storage, synchronization, and collaboration. It integrates seamlessly with Google's suite of applications, providing a comprehensive productivity and file management platform accessible from any device.

Box is a leading cloud content management and file sharing platform designed for businesses of all sizes. It provides secure storage, robust collaboration tools, and seamless integration with popular business applications, empowering teams to work efficiently and securely from anywhere.

SugarSync is a powerful cloud synchronization and backup service that allows users to sync any folder on their computer across multiple devices. It offers real-time syncing, file sharing, and robust security features to keep your data accessible and protected.

Yandex.Disk is a powerful cloud storage service offering seamless file synchronization, backup, and sharing. It provides ample storage space, robust security features including encryption, and includes useful integrations like an online office suite. With support for various platforms and WebDAV, it's a versatile solution for managing your digital assets.

FileCloud is a comprehensive Enterprise File Services platform offering secure file sharing, sync, and backup solutions with strong data governance and endpoint protection capabilities.

Koofr is a secure, EU-based cloud storage service offering a generous free tier and the unique ability to connect multiple existing cloud accounts from providers like Google Drive, Dropbox, and OneDrive. It serves as a centralized hub for all your digital files, enhancing accessibility and management across platforms.

vBoxxCloud offers secure file sharing and collaboration with robust security features, keeping your data private and accessible from anywhere.

Amazon Drive, now superseded by Amazon Photos for photo/video and Amazon S3 for other file types, was a cloud storage service providing online backup, file synchronization, and sharing capabilities. It offered various storage plans, including unlimited photo storage for Amazon Prime members.

Twindocs is a secure cloud-based document management system designed for both individuals and organizations. It offers advanced encryption, robust synchronization capabilities, and a suite of features for organizing, sharing, and protecting your digital documents.

Icedrive is a secure UK-based cloud storage solution emphasizing data privacy and security through client-side encryption. It offers a seamless interface for storing, syncing, and sharing files, with a unique drive-mounting feature for easy access.