Comparison of online backup services

Last updated

This is a comparison of online backup services.

Online backup is a special kind of online storage service; however, various products that are designed for file storage may not have features or characteristics that others designed for backup have. Online Backup usually requires a backup client program. A browser-only online storage service is usually not considered a valid online backup service.

Contents

Online folder sync services can be used for backup purposes. However, some Online Folder Sync services may not provide a safe Online Backup. If a file is accidentally locally corrupted or deleted, it depends on the versioning features of a Folder Sync service, whether this file will still be retrievable.

Comparison

Legend

Comments

Acronis
Up to five PCs, always incremental backups, remote access from the web
Backblaze
Data de-duplication; block-level incremental.
Barracuda Backup Service
Data de-duplication; real-time hybrid on-site/off-site data back-up.
BullGuard Backup
5 PC/license, fast upload speeds, mobile access, encrypted transfer and storage, password-protected settings, free 24/7 support.
Carbonite
Block-level incremental, Home or Pro editions. iPhone/ Blackberry/ Android App available to remotely access data from the online backup (For Pro: Users of the computer which are backed up, not available for the Administrator of the Pro). Can manually select files to upload that are larger than 4 GB.
Cloudberry Backup
Image & File Based backups, data de-duplication, block-level and multiple cloud providers supported.
CloudJuncxion
Decentralized multi-cloud backup with integrated sharing, sync, backup, and Cloud NAS. Fault-tolerance against failure of a constituent cloud.
Crashplan
Unlimited destinations. Data de-duplication; block-level incremental. Can run server-free, exchanging backup space with friends and family.
Datashield
High-level encryption, personalized encryption key, shared cloud drive, sync folder functionality .
Dolly Drive
Cloud storage that is specifically designed for the Mac. Also allows users to store files exclusively in the cloud for seamless access on any computer or mobile device.
Diino
iPhone/Android app available.
Dropbox
Data de-duplication, delta sync, iPhone/Android/Blackberry app available.
Dropmysite
website backup, database backup, SFTP support, free up to 2 GB.
Egnyte
Delta sync, Google Docs sync, user and group management
ElephantDrive
Auto-transfer from defunct Xdrive.
F-Secure
[Steek acquired by F-Secure July 2009]
Humyo
Humyo was acquired by Trend Micro and will become part of Trend Micro SafeSync. Humyo no longer accepts new clients.
IASO Backup
Advanced[ clarification needed ] data reduction technology. Data de-duplication mechanism. High level[ clarification needed ] of scalability and cost effectiveness.
ICFiles
Secure File Share Storage. Proprietary license download client. High level security, SOC 2 TYPE II, ISO 27001,27017, 27018, CSA, PCI, HIPAA, CJIS, EU Model Clauses, on request private servers for FISMA and FedRAMP.
IDrive
Proprietary license download client. Automatic Selection. Continuous Data Protection. "Virtual drive" explorer.
Jungle Disk
Proprietary license download client sample code.
KeepVault
Real-time hybrid on-site and offsite data backup.
Memopal
Cross-user de-duplication, delta sync.
MiMedia
Initial seed via a MiMedia-owned external hard drive available (no extra cost, shipping included).
Mozy
Data de-duplication; block-level incremental. "Mozy Data Shuttle" physical seeding service available for extra fee.
Replicalia
Professional Backup for Professional Data.
SpiderOak
Data de-duplication."Zero Knowledge" encryption.
StoreGrid Cloud
Byte-level incremental backup, local backup, Disk Image backup—BMR and physical seeding.
Syncplicity
Google Docs sync, Central Management with Business Console.
Tarsnap
Client source available; data de-duplication; block-level incremental.
TeamDrive
Store encrypted data on any WebDAV server; supports working offline; files can be commented; built-in support for conflict resolution.
Unitrends Vault2Cloud
Data de-duplication; hybrid on- and off-premises data backup; physical seeding.
UpdateStar Online Backup
Data de-duplication; block-level incremental.
Usenet backup
Is the method of storing backup data on the usenet. [91]
Windows Live Mesh
Replaces windows live sync and windows live folder.
Zetta Enterprise-grade Online Backup
Supports Linux, Mac OS, and Windows, high speed WAN optimization, SAS 70 certified data centers.
Zmanda Cloud Backup
Available in German and Japanese languages, supports MS SQL Server, MS Exchange, SharePoint, MySQL Database, System State, Oracle.

Versioning

Any changes can be undone, and files can be undeleted.

Acronis
Supports detailed history of changes to files with browsing by date or version number.
Backblaze
Old versions of files are kept for 30 days by default; One-year or Forever Retention is optional. [92]
Box
Versioning is included in paid subscription
Carbonite
Keeps old versions for up to three months. It keeps one version for each day of the past week, one version for each of the previous three weeks, and one version for each of the previous two months that the file has been backed up. Versioning available for PC computers only; not available for Mac.
CloudJuncxion
Supports multiple versions less than a week old, one version less than two weeks old, one version less than month old, and one version older than a month.
Crashplan
Options: All, or staged (daily, then weekly, etc.).
Cubby
All previous versions and deleted files are kept until explicitly removed by the user or the user runs out of space. All deleted files and previous versions count towards the storage limit.
Dolly Drive
Yes. Keeps unlimited versions of files.
Dropbox
By default, Dropbox saves a history of all deleted and earlier versions of files for 30 days for all Dropbox accounts. [93]
Dropmysite
Provides incremental backups with the ability to download every snapshot.
ElephantDrive
Any number of versions can be kept for any amount of time.
Google Drive
Old versions of files are kept for 30 days or 100 revisions. Revisions can be set not to be automatically deleted.
IASO Backup
All versions of files can be kept for different periods of time, starting from 1 month to 1 year or more.
ICFiles
No files are kept after delete, auto delete clears at every 24 hours.
iDrive
Up to 10 old versions of files are kept forever (until explicitly removed).
Mozy
Old version of files are kept for 30 days. Pro 60 days, Enterprise 90 days. [94]
PowerFolder
Five versions are kept online. In the client it is configurable how many versions to store locally.
SOS Online Backup (Infrascale)
All versions are kept. Only the largest counts towards the storage limit.
SpiderOak
All versions are kept. All files can be undeleted.
SugarSync
Five versions are kept. Only the most recent version of each of existing files as well as deleted files count towards the storage limit.
Sync.com
Sync.com saves a history of all deleted and earlier versions of files, 30 days for free accounts, indefinitely for premium plans.
Syncplicity
Old versions of files, as well as deleted files, are kept for 30 days. Configurable for business or enterprise-class services.
TeamDrive
All previous versions are kept and can be restored.
Tresorit
Versioning is included in paid subscription
Zetta Enterprise-grade Online Backup
All versions are kept. All files can be undeleted.

Other features and limitations

Other notable limitations or features.

Baidu Cloud
Must be registered by verified phone first.
Box
Performance degrades after 10,000 files in sync folder. Technical limit of 40,000 files in sync folder. Does not sync .tmp files, Outlook PST files, hidden files (hidden folders are synced), or any file or folder with \/*?":<>| in the name. [95]
CloudJuncxion
Decentralized fragment-and-disperse storage across a collection of heterogeneous clouds for maximal security. Supports a Virtual Private Cloud model for complete control by the enterprise customer. Supports Sync Groups for greater control over synchronization of files across multiple devices.
Dropbox
Performance degrades with more than 300,000 files in sync folder. This is a soft limit. [96]
Google Drive
All account types are limited to 750 GB upload bandwidth per day. [97] Enterprise accounts are now limited to 5 TB per paid user on the account whereas prior to May 2023 only a single user was required for the advertised unlimited storage. Once 5 users are on an Enterprise account, more storage can be requested in 25 TB allotments once every 90 days, but extra storage is not guaranteed. The extra allotted storage is also removed when users on the account drop under 5. Thus unlimited storage is unfeasible to attain with Google Drive's new restrictions.
Sugarsync
Limited to 80,000 files per top level sync folder. To work around, one can create multiple syncing folders, but each top level folder is limited to 80k files. Also, Microsoft outlook and Apple iTunes databases are unsupported. [98]
Trustbox
A 3-layer encrypted storage supports privacy for an unlimited file version retrieval. Restore any file from any point in time. [99]

Defunct services

See also

Related Research Articles

File synchronization in computing is the process of ensuring that computer files in two or more locations are updated via certain rules.

A file-hosting service, also known as cloud-storage service, online file-storage provider, or cyberlocker, is an internet hosting service specifically designed to host user files. These services allow users to upload files that can be accessed over the internet after providing a username and password or other authentication. Typically, file hosting services allow HTTP access, and in some cases, FTP access. Other related services include content-displaying hosting services, virtual storage, and remote backup solutions.

Mozy was an online backup service for both Windows and macOS users. Linux's support was made available in Q3, 2014. In 2007 Mozy was acquired by EMC, and in 2013 Mozy was included in the EMC Backup Recovery Systems division's product list. On September 7, 2016, Dell Inc. acquired EMC Corporation to form Dell Technologies, restructuring the original Dell Inc. as a subsidiary of Dell Technologies. On March 19, 2018, Carbonite acquired Mozy from Dell for $148.5 million in cash and in 2019 shut down the service, incorporating Mozy's clients into its own online backup service programs.

Dropbox is a file hosting service operated by the American company Dropbox, Inc., headquartered in San Francisco, California, U.S. that offers cloud storage, file synchronization, personal cloud, and client software. Dropbox was founded in 2007 by MIT students Drew Houston and Arash Ferdowsi as a startup company, with initial funding from seed accelerator Y Combinator.

This is a comparison of notable file hosting services that are currently active. File hosting services are a particular kind of online file storage; however, various products that are designed for online file storage may not have features or characteristics that others designed for sharing files have.

Carbonite, Inc. is an American company that offers an online backup service, available to Windows and macOS users. In 2019 it was acquired by Canadian software company OpenText. It backs up documents, e-mails, music, photos, and settings. It is named after carbonite, the fictional substance used to freeze Han Solo in Star Wars: The Empire Strikes Back. Carbonite was the first such service to offer unlimited backup space for a fixed price. Previously, all online backup services were priced by the gigabyte; many other vendors have since changed to an unlimited model.

<span class="mw-page-title-main">Gladinet</span>

Gladinet, Inc. is an American corporation co-founded by Jerry Huang and Franklyn Peart in 2008 in Lake Worth, Florida. The company provides cloud computing software, including an on-premises, enterprise file synchronization and sharing (EFSS) platform. The on-premises version of the platform is available for service providers and enterprises. There is also a team edition.

Syncovery is backup and file synchronization software that allows backing up and synchronizing files to the same or different drives, to different media, or to a remote server.

<span class="mw-page-title-main">GoodSync</span> Backup and file synchronization program

GoodSync is a backup and file synchronization program. It is used for synchronizing files between two directories, either on one computer, or between a computer and another storage device or between a computer and a remote computer or server.

Dmailer was a French company which specialized in portable backup and synchronization software for devices, including USB flash drives, memory cards, external hard disk drives, MP3 players, embedded phone memories, SIM cards and flash-based memory cards for mobile phones.

Syncdocs is backup and file synchronization software for Google Drive. Syncdocs uses cloud computing to enable users to back up and synchronize Windows computer files to Google Documents and Google Drive accounts.

iCloud Cloud storage and cloud computing service by Apple

iCloud is a cloud service operated by Apple Inc. Launched on October 12, 2011, iCloud enables users to store and sync data across devices, including Apple Mail, Apple Calendar, Apple Photos, Apple Notes, contacts, settings, backups, and files, to collaborate with other users, and track assets through Find My. It is built into iOS, iPadOS, watchOS, tvOS, macOS, and visionOS. iCloud may additionally be accessed through a limited web interface and Windows application.

Google Drive is a file-hosting service and synchronization service developed by Google. Launched on April 24, 2012, Google Drive allows users to store files in the cloud, synchronize files across devices, and share files. In addition to a web interface, Google Drive offers apps with offline capabilities for Windows and macOS computers, and Android and iOS smartphones and tablets. Google Drive encompasses Google Docs, Google Sheets, and Google Slides, which are a part of the Google Docs Editors office suite that allows collaborative editing of documents, spreadsheets, presentations, drawings, forms, and more. Files created and edited through the Google Docs suite are saved in Google Drive.

<span class="mw-page-title-main">@MAX SyncUp</span>

@MAX SyncUp is a free proprietary backup and file synchronization program developed by @MAX Software for Windows. It is targeted at individuals and small businesses. The software supports backup to locally writable folders, including attached USB devices, network drives and local directories. It also supports backup and synchronization to WebDAV servers, (S)FTP servers and the cloud storages such as Google Drive and Dropbox.

<span class="mw-page-title-main">IDrive Inc.</span>

IDrive Inc. is a technology company that specializes in data backup applications. Its flagship product is IDrive, an online backup service available to Windows, Mac, Linux, iOS and Android users.

Client-side encryption is the cryptographic technique of encrypting data on the sender's side, before it is transmitted to a server such as a cloud storage service. Client-side encryption features an encryption key that is not available to the service provider, making it difficult or impossible for service providers to decrypt hosted data. Client-side encryption allows for the creation of applications whose providers cannot access the data its users have stored, thus offering a high level of privacy.

<span class="mw-page-title-main">Enpass</span> Password manager

Enpass is a freemium password manager and passkey manager available for MacOS, Windows, iOS, Android and Linux, with browser extensions for all major browsers, and pricing plans for both personal use and business.

Enterprise file synchronization and sharing refers to software services that enable organizations to securely synchronize and share documents, photos, videos and files from multiple devices with employees, and external customers and partners. Organizations often adopt these technologies to prevent employees from using consumer-based file sharing apps to store, access and manage corporate data that is outside of the IT department’s control and visibility.

<span class="mw-page-title-main">MSP360</span> Application service provider

MSP360, formerly CloudBerry Lab, is a software and application service provider company that develops online backup, remote desktop and file management products integrated with more than 20 cloud storage providers.

NordLocker is a file encryption software integrated with end-to-end encrypted cloud storage. It is available on Windows and macOS. NordLocker is developed by Nord Security, the Lithuania-based company behind the NordVPN virtual private network.

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