4Sync
The facts below are what the maker publishes about 4Sync, checked and dated. Our editors have not written about it yet.
Plans and prices
From 4Sync's own pricing page, checked 11 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Premium | $8.25 a month | 1 TB storage · 20 GB maximum upload file size · 100 GB monthly traffic initially; extra traffic can be purchased · Just 8.25USD a month |
| Premium | $99 a year | 1 TB storage · 20 GB maximum upload file size · 100 GB monthly traffic initially; extra traffic can be purchased · 99.0USD a year |
The facts
Each one read from 4Sync's own pages, with the date it was checked.
What it does
- Age eligibility
- The privacy policy says its services and apps are designed for people aged 18 and older.checked 11 Oct 2026
- File size limit
- 20checked 20 Sep 2026
- File types
- The service says it synchronizes photos, music, videos, and other files.checked 11 Oct 2026
- File versioning
- Yeschecked 20 Sep 2026
- Folder protection
- The help page describes an option to set a password for a shared folder.checked 11 Oct 2026
- Integrations
- The help page describes connecting Facebook to share files with friends and importing contacts from Gmail for referrals.checked 11 Oct 2026
- Privacy controls
- The privacy policy says users can request access to, correction of, or deletion of personal data by contacting 4Sync.checked 11 Oct 2026
- Purpose
- 4Sync stores and synchronizes files across computers, tablets, and mobile phones, making them accessible online.checked 11 Oct 2026
- Security
- 4Sync's privacy policy says it takes reasonable measures to protect personal data, while noting no security measure is perfect or impenetrable.checked 11 Oct 2026
- Sharing permissions
- Shared folders can have private access for invited users or public access through a folder link, with view-only or upload-and-edit permissions.checked 11 Oct 2026
- Storage
- 4Sync advertises 1 TB of online storage.checked 11 Oct 2026
- Storage limit
- 1000checked 20 Sep 2026
- Support
- 4Sync provides a Help page with instructions for account verification, password recovery, uploading, downloading, and sharing files.checked 11 Oct 2026
- Sync and backup
- 4Sync says it synchronizes updates between devices and provides backup copies of files.checked 11 Oct 2026
- Traffic limit
- The site says users initially get 100 GB of monthly traffic and can purchase extra traffic when needed.checked 11 Oct 2026
- Upload limit
- The maximum upload file size is 20 GB.checked 11 Oct 2026
Where it runs
- Device platforms
- Windows,macOS,iOS,Androidchecked 20 Sep 2026
- Platforms
- The maker lists Windows, Mac, iPhone/iPad/iPod, and Android apps; it also describes accessing the account on the web.checked 11 Oct 2026
Money
- Free plan
- Nochecked 20 Sep 2026
Alternatives to 4Sync
- 1
Seafile
Free planOpen sourceAndroidiOSWebAPI8.7Free plan - 2
Filen
Free planOpen sourceAndroidiOSWebAPI8.6From €1.99 a month - 3
Internxt Drive
Free planOpen sourceAndroidiOSWebAPI8.6Free plan - 4
IDrive
Free planAndroidiOSWebLinux8.4From $0.25 a month - 5
Box
Free planAndroidiOSWebAPI8.3From $5 a month - 6
Dropbox Sign
Free planAndroidiOSWebAPI8.2Free plan