18 Best Cloud storage and sync tools in 2026
Cloud storage and sync services back up files online and keep folders synced across devices, used by individuals and teams sharing documents remotely.
Top cloud storage and sync
Ranked by alternatives mapped, then most recently verified
IONOS
Best for US small businesses wanting one vendor for a domain, SSL, email, and web hosting bundled into a cheap first-year plan
Web
From $1/mo
Dropbox
Best for individuals and teams who need dependable cross-device file sync and simple sharing links, especially teams already invoking Dropbox's large-file-transfer and version-history features
Web · Windows · macOS · Linux · iOS · Android
Free tier · paid from $9.99/mo
Google Drive
Best for individuals and teams already using Google Docs, Sheets, and Slides who want real-time collaborative editing with simple cloud storage and sharing links
Web · Windows · macOS · Linux · iOS · Android
Free tier · paid from $1.99/mo
Contabo
Best for Developers and small businesses that want a high-RAM, multi-core Linux or Windows VPS for self-managed workloads (game servers, Plex/media storage, dev/test boxes) at a lower monthly price than AWS, DigitalOcean, or Linode.
Web · Linux · Windows
From $6.99/mo
Icedrive
Best for keeping a personal photo and document archive in encrypted cloud storage at a low price per terabyte
Web · Windows · macOS · Linux · iOS · Android
Free tier · paid from $2.99/mo
MEGA
Best for privacy-conscious individuals and small teams who want client-side end-to-end encrypted cloud storage where the provider cannot access file contents
Web · Windows · macOS · Linux · iOS · Android
Free
Nextcloud
Best for organizations that want a self-hosted, data-sovereign alternative to Google Workspace or Microsoft 365 for file sync, groupware, and video conferencing
Web · Windows · macOS · Linux · iOS · Android
OneDrive
Best for households and businesses already paying for Microsoft 365 who want file storage that co-authors Word, Excel, and PowerPoint documents natively
Web · Windows · macOS · iOS · Android
Free tier · paid from $1.99/mo
Proton Drive
Best for privacy-focused individuals and small teams who want end-to-end encrypted cloud storage with a genuinely usable free tier and open-source, independently-audited clients
Web · Windows · macOS · iOS · Android
Free tier · paid from $4.99/mo
Seafile
Best for small IT teams and privacy-focused organizations that want to self-host Dropbox-style file sync with granular permissions and optional office-document editing
Web · Windows · macOS · Linux · iOS · Android
Free tier · paid from $8/mo
Sync.com
Best for privacy-conscious individuals and regulated businesses (legal, healthcare, finance) who need zero-knowledge encrypted file storage that even the vendor cannot read
Web · Windows · macOS · iOS · Android
Free tier · paid from $4/mo
Tresorit
Best for financial, legal, and healthcare teams that need zero-knowledge encrypted file storage plus encrypted data rooms for sharing with outside parties
Web · Windows · macOS · Linux · iOS · Android
Custom pricing
iCloud Drive
Best for Apple ecosystem users who want files, photos, and backups to sync automatically across iPhone, iPad, and Mac without manual transfers
Web · Windows · macOS · iOS
Free tier · paid from $0.99/mo
ownCloud
Best for organizations that need full control over where their files are stored (self-hosted or EU-hosted) and want an open-source alternative to Dropbox or Google Drive for file sync and sharing
Web · Windows · macOS · Linux · iOS · Android
pCloud
Best for users who want to pay once for cloud storage instead of an ongoing monthly subscription, and who value choosing between EU and US data residency
Web · Windows · macOS · Linux · iOS · Android
Free tier · paid from $199 one-time
Syncthing
Best for privacy-conscious individuals and self-hosters who want continuous file sync across their own devices without routing data through a third-party cloud server
Windows · macOS · Linux · Android
Box
Best for mid-size and large enterprises that need compliance-grade file storage (HIPAA, FINRA, GDPR) plus AI-powered document workflows, not just file sync
Web · Windows · macOS · iOS · Android
Zoho Workplace
Best for Small and midsize teams that want business email, office documents, chat, and video meetings from a single vendor at a lower per-seat cost than Google Workspace or Microsoft 365.
Web · Windows · macOS · iOS · Android
Pricing not verified
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Frequently asked questions
What is the best cloud storage and sync tool right now?
- IONOS leads this list — we have mapped more alternatives to it than to anything else here — it is best for us small businesses wanting one vendor for a domain, ssl, email, and web hosting bundled into a cheap first-year plan. Dropbox is the strongest runner-up.
Which cloud storage and sync are free?
- 15 of the 18 tools here have a usable free tier or are fully free: Dropbox, Google Drive, Icedrive, MEGA, Nextcloud and 10 more.
Are there open-source cloud storage and sync?
- Yes — Nextcloud, Proton Drive, Seafile, ownCloud, Syncthing are open source.