Quick Overview
- 1#1: Backblaze - Provides unlimited continuous cloud backup for personal computers with real-time file versioning and easy recovery.
- 2#2: IDrive - Offers real-time continuous backup across unlimited devices with advanced versioning, encryption, and multi-cloud support.
- 3#3: Carbonite - Delivers automatic continuous backup of unlimited files to the cloud with external drive support and ransomware protection.
- 4#4: Code42 CrashPlan - Enterprise continuous backup solution with unlimited storage, fast recovery, and endpoint data protection.
- 5#5: Acronis Cyber Protect Home Office - Combines continuous disk imaging backup with cybersecurity features like ransomware defense and blockchain verification.
- 6#6: GoodSync - Enables real-time one-way or two-way backup and synchronization across local drives, servers, and cloud storage.
- 7#7: Arq Backup - Supports continuous incremental backups to local disks or any S3-compatible cloud with unlimited retention versioning.
- 8#8: Duplicati - Free open-source tool for encrypted continuous incremental backups to cloud services with strong deduplication.
- 9#9: UrBackup - Open-source client-server system for continuous file and image backups across Windows, Linux, and Mac networks.
- 10#10: Syncthing - Open-source peer-to-peer tool for continuous real-time file synchronization and backup across multiple devices.
Tools were ranked based on real-time protection effectiveness, storage flexibility (unlimited vs. tiered), encryption strength, ease of setup and recovery, and value proposition across personal and enterprise use cases, ensuring a comprehensive and practical selection.
Comparison Table
Continuous backup software is vital for real-time data protection, shielding files and systems from accidental loss or corruption. This table compares top tools—including Backblaze, IDrive, Carbonite, Code42 CrashPlan, Acronis Cyber Protect Home Office, and more—to highlight features, pricing, and performance. By detailing key metrics, it helps readers identify the best solution for their specific data safety needs.
| # | Tool | Category | Overall | Features | Ease of Use | Value |
|---|---|---|---|---|---|---|
| 1 | Backblaze Provides unlimited continuous cloud backup for personal computers with real-time file versioning and easy recovery. | other | 9.4/10 | 9.6/10 | 9.2/10 | 9.8/10 |
| 2 | IDrive Offers real-time continuous backup across unlimited devices with advanced versioning, encryption, and multi-cloud support. | other | 8.8/10 | 9.2/10 | 8.4/10 | 8.7/10 |
| 3 | Carbonite Delivers automatic continuous backup of unlimited files to the cloud with external drive support and ransomware protection. | other | 8.2/10 | 8.5/10 | 9.0/10 | 7.8/10 |
| 4 | Code42 CrashPlan Enterprise continuous backup solution with unlimited storage, fast recovery, and endpoint data protection. | enterprise | 8.6/10 | 9.2/10 | 8.0/10 | 8.3/10 |
| 5 | Acronis Cyber Protect Home Office Combines continuous disk imaging backup with cybersecurity features like ransomware defense and blockchain verification. | enterprise | 8.1/10 | 8.5/10 | 8.3/10 | 7.6/10 |
| 6 | GoodSync Enables real-time one-way or two-way backup and synchronization across local drives, servers, and cloud storage. | other | 8.4/10 | 9.1/10 | 7.6/10 | 8.0/10 |
| 7 | Arq Backup Supports continuous incremental backups to local disks or any S3-compatible cloud with unlimited retention versioning. | other | 8.0/10 | 8.5/10 | 7.5/10 | 9.0/10 |
| 8 | Duplicati Free open-source tool for encrypted continuous incremental backups to cloud services with strong deduplication. | other | 7.8/10 | 8.5/10 | 7.0/10 | 9.5/10 |
| 9 | UrBackup Open-source client-server system for continuous file and image backups across Windows, Linux, and Mac networks. | other | 8.2/10 | 8.5/10 | 7.5/10 | 10.0/10 |
| 10 | Syncthing Open-source peer-to-peer tool for continuous real-time file synchronization and backup across multiple devices. | other | 7.2/10 | 6.8/10 | 6.5/10 | 10/10 |
Provides unlimited continuous cloud backup for personal computers with real-time file versioning and easy recovery.
Offers real-time continuous backup across unlimited devices with advanced versioning, encryption, and multi-cloud support.
Delivers automatic continuous backup of unlimited files to the cloud with external drive support and ransomware protection.
Enterprise continuous backup solution with unlimited storage, fast recovery, and endpoint data protection.
Combines continuous disk imaging backup with cybersecurity features like ransomware defense and blockchain verification.
Enables real-time one-way or two-way backup and synchronization across local drives, servers, and cloud storage.
Supports continuous incremental backups to local disks or any S3-compatible cloud with unlimited retention versioning.
Free open-source tool for encrypted continuous incremental backups to cloud services with strong deduplication.
Open-source client-server system for continuous file and image backups across Windows, Linux, and Mac networks.
Open-source peer-to-peer tool for continuous real-time file synchronization and backup across multiple devices.
Backblaze
otherProvides unlimited continuous cloud backup for personal computers with real-time file versioning and easy recovery.
Unlimited backup storage for one low flat monthly price per computer
Backblaze Personal Backup is a cloud-based continuous backup solution that automatically protects unlimited data from your Mac or Windows computer by syncing changes in real-time to secure offsite storage. It runs unobtrusively in the background, capturing file versions, deletions, and modifications to safeguard against ransomware, accidents, or hardware failures. With robust restore options including downloads, mailed USB drives, or expedited services, it ensures quick recovery while maintaining long-term version history up to one year.
Pros
- Unlimited storage for a single flat fee per computer
- True continuous backup with real-time file change detection and versioning
- Multiple restore methods including physical USB delivery for large datasets
Cons
- One license required per computer, no built-in multi-device family plans
- Initial backup can take days depending on data size and internet speed
- Lacks native support for mobile devices or NAS appliances
Best For
Users seeking hands-off, unlimited cloud backup for individual computers without worrying about storage limits or complex setup.
Pricing
$7 per month per computer (unlimited storage); annual plan $70, with 15-day free trial.
IDrive
otherOffers real-time continuous backup across unlimited devices with advanced versioning, encryption, and multi-cloud support.
Continuous Data Protection that syncs file changes instantly upon modification for designated folders
IDrive is a versatile cloud backup service specializing in continuous data protection, automatically backing up changes to selected folders in real-time to minimize data loss. It supports unlimited devices across Windows, Mac, Linux, iOS, and Android, with features like disk imaging, file versioning up to 30 versions, and end-to-end encryption. The service excels in automated, hands-off backups for personal and business users seeking reliable recovery options.
Pros
- Real-time continuous backup for critical folders with minimal delay
- Unlimited devices backed up on higher plans
- Strong security with private encryption keys and ransomware protection
Cons
- Continuous backup limited to user-selected folders, not entire system
- Initial setup and folder selection can feel overwhelming for beginners
- Upload speeds may lag during peak times on slower connections
Best For
Multi-device users or small businesses needing automated, real-time protection for key files without constant manual intervention.
Pricing
Personal plan starts at $79.50/year for 5TB and 1 PC (unlimited devices); Business plans from $12.50/user/year for 10TB.
Carbonite
otherDelivers automatic continuous backup of unlimited files to the cloud with external drive support and ransomware protection.
Real-time continuous backup that automatically protects every file change without user prompts
Carbonite is a cloud-based backup service specializing in continuous, automatic backups for Windows and Mac computers, capturing file changes in real-time to prevent data loss. It supports unlimited storage on higher tiers, includes ransomware detection, and allows easy file access and restore from any device. Designed for both personal and business users, it emphasizes set-it-and-forget-it protection without manual intervention.
Pros
- Seamless real-time continuous backup with no size limits on premium plans
- Built-in ransomware rollback and malware scanning
- Intuitive setup and automatic operation in the background
Cons
- File-level backups only, lacking block-level efficiency for large files
- Restore speeds can be slow for massive datasets
- Limited support options and no phone support on basic plans
Best For
Small businesses and individuals needing effortless, hands-off continuous cloud backup for critical files without hardware management.
Pricing
Personal plans start at $6/month (billed annually for Safe Basic); business plans from $6/user/month with tiers up to $20/user/month.
Code42 CrashPlan
enterpriseEnterprise continuous backup solution with unlimited storage, fast recovery, and endpoint data protection.
Unlimited cloud storage with no data caps, enabling complete business data protection without size restrictions
Code42 CrashPlan is a enterprise-focused continuous backup solution that provides real-time, automatic backups of files, folders, and entire systems across unlimited devices to secure cloud storage. It excels in small to medium businesses with features like block-level incrementals, 1-year version history, and ransomware detection for quick recovery. The software supports Windows, macOS, and Linux, ensuring cross-platform compatibility and minimal data loss in disaster scenarios.
Pros
- Unlimited storage and unlimited devices per user
- Real-time continuous backup with block-level incrementals for efficiency
- Built-in ransomware detection and 1-year file versioning for recovery
Cons
- Higher cost for small teams or individuals
- Initial full backups can be slow on large datasets
- Business-oriented interface less intuitive for non-technical users
Best For
Small businesses and IT teams requiring scalable, unlimited continuous backups across multiple employee devices.
Pricing
Small Business plan at $10/user/month (billed annually) for unlimited storage and devices; custom enterprise pricing available.
Acronis Cyber Protect Home Office
enterpriseCombines continuous disk imaging backup with cybersecurity features like ransomware defense and blockchain verification.
Non-stop Backup, which provides real-time, continuous protection by versioning every file change for quick recovery
Acronis Cyber Protect Home Office is a comprehensive cybersecurity and backup solution tailored for individual users and small home offices, offering real-time continuous backup known as Non-stop Backup that captures every file change instantly. It supports full disk imaging, file-level backups to local drives or Acronis Cloud, and integrates anti-malware, ransomware protection, and vulnerability scanning for holistic data defense. While strong in protection features, its continuous backup is best suited for critical files rather than entire systems without some configuration.
Pros
- Integrated cybersecurity including AI-powered ransomware protection alongside backups
- Non-stop Backup for true continuous data protection with versioning
- Flexible storage options with local, NAS, and cloud support
Cons
- Subscription-only model with recurring costs
- Resource-intensive during full scans and backups
- Limited free tier; advanced continuous features require higher plans
Best For
Home users and small offices seeking an all-in-one backup and security solution with real-time protection.
Pricing
Starts at $49.99/year (Essential, 500GB cloud); Premium at $69.99/year (2TB); higher tiers up to $99.99/year for unlimited devices.
GoodSync
otherEnables real-time one-way or two-way backup and synchronization across local drives, servers, and cloud storage.
Real-time file change monitoring with GBDelta block-level synchronization for efficient, continuous backups without full rescans
GoodSync is a file synchronization and backup software that excels in continuous, real-time data protection by monitoring file changes and syncing them instantly across local drives, networks, NAS, and cloud services. It supports one-way backups, two-way syncs, and version history to prevent data loss from conflicts or deletions. With broad compatibility for Windows, macOS, Linux, mobile devices, and protocols like SFTP, WebDAV, and major clouds (e.g., Google Drive, OneDrive), it ensures reliable, automated backups without scheduling.
Pros
- Real-time monitoring and instant syncing for true continuous backup
- Extensive compatibility with diverse devices, protocols, and cloud services
- Robust versioning, conflict resolution, and encryption for data integrity
Cons
- User interface feels dated and overwhelming for beginners
- Subscription pricing escalates quickly for multiple devices
- Can be resource-heavy during initial syncs of large datasets
Best For
Power users and IT professionals managing critical files across heterogeneous local, network, and cloud environments who prioritize real-time protection.
Pricing
Free version with limits (3 jobs max); paid Personal plans from $19.90/year per device, Business from $49.90/year, with lifetime options available.
Arq Backup
otherSupports continuous incremental backups to local disks or any S3-compatible cloud with unlimited retention versioning.
Universal support for any S3-compatible cloud storage, enabling backups to over 40 providers without compatibility issues.
Arq Backup is a cross-platform (Mac and Windows) backup software that performs incremental backups of files and folders to local drives, NAS, or any S3-compatible cloud storage like AWS S3, Backblaze B2, or Wasabi. It emphasizes efficiency through deduplication, compression, and client-side AES-256 encryption, while offering unlimited versioning for point-in-time recovery. Backups run on customizable schedules, enabling near-continuous protection with frequent scans, though not true real-time file monitoring.
Pros
- Supports virtually any S3-compatible cloud storage for maximum flexibility
- Strong security with client-side encryption and efficient deduplication
- One-time purchase with excellent value and unlimited backup versioning
Cons
- Not true real-time continuous backup; relies on scheduled scans (minimum ~15 minutes)
- Licensing required per computer, no multi-device bundles
- Setup and interface have a functional but dated feel with some learning curve
Best For
Tech-savvy users or small teams seeking secure, customizable backups to preferred cloud storage without vendor lock-in or recurring software fees.
Pricing
$49.99 one-time purchase per computer; optional $29.99/year for updates (storage costs extra based on provider).
Duplicati
otherFree open-source tool for encrypted continuous incremental backups to cloud services with strong deduplication.
Block-level deduplication that intelligently reduces backup sizes across multiple datasets
Duplicati is a free, open-source backup software that performs encrypted, incremental backups with deduplication to local drives, NAS, or cloud services like Google Drive, OneDrive, and S3-compatible storage. It offers a web-based interface for scheduling backups across Windows, macOS, and Linux, with strong versioning support for point-in-time recovery. While not real-time continuous, it approximates near-continuous protection via frequent scheduled runs and efficient change detection.
Pros
- Strong client-side encryption and zero-knowledge privacy
- Efficient deduplication and compression for storage savings
- Broad compatibility with cloud and local backends
Cons
- Scheduled backups rather than true real-time continuous syncing
- Web UI can feel clunky for beginners with advanced options
- Occasional bugs in beta releases affecting reliability
Best For
Tech-savvy users needing free, secure incremental backups to cloud storage with versioning for occasional file recovery.
Pricing
Completely free and open-source with no paid tiers.
UrBackup
otherOpen-source client-server system for continuous file and image backups across Windows, Linux, and Mac networks.
Near-real-time continuous file backups using change detection for minimal data loss
UrBackup is an open-source client-server backup system designed for continuous file backups and periodic image backups across multiple Windows and Linux clients. It detects file changes in near real-time using notifications or timestamps, enabling incremental backups with versioning for quick recovery. The web-based interface allows centralized management, making it suitable for servers and workstations requiring reliable data protection.
Pros
- Completely free and open-source with no licensing costs
- Near-real-time continuous file backups with versioning
- Supports both file-level and full image backups for comprehensive protection
Cons
- Initial server setup requires technical expertise and configuration
- User interface appears dated and less intuitive
- Limited native support for macOS clients
Best For
IT administrators in small to medium-sized businesses managing backups for multiple Windows and Linux servers or workstations.
Pricing
Free and open-source; no paid tiers or subscriptions.
Syncthing
otherOpen-source peer-to-peer tool for continuous real-time file synchronization and backup across multiple devices.
Peer-to-peer continuous synchronization without any central server dependency
Syncthing is an open-source, peer-to-peer file synchronization tool that continuously monitors folders across devices and propagates changes in near real-time without relying on central servers or cloud services. It excels at keeping files identical across multiple computers, phones, or servers over LAN or the internet. While it supports versioning for basic backup-like retention, it is primarily a bidirectional sync solution rather than a dedicated backup tool with robust recovery options.
Pros
- Completely free and open-source with no usage limits
- Decentralized peer-to-peer sync ensures privacy and works offline
- Cross-platform support with real-time change detection
Cons
- Bidirectional sync risks propagating deletions unless versioning is configured
- Lacks native cloud integration or offsite backup destinations
- Initial setup and configuration require technical knowledge
Best For
Tech-savvy users maintaining personal device fleets who prioritize privacy and continuous syncing over traditional backup features.
Pricing
Free and open-source; no paid plans or subscriptions required.
Conclusion
The top three tools—Backblaze, IDrive, and Carbonite—rise above the rest, each bringing distinct strengths to continuous backup. Backblaze claims the top spot, excelling with unlimited cloud storage, real-time versioning, and straightforward recovery. IDrive and Carbonite stand as strong alternatives, with the former offering multi-device support and encryption, and the latter emphasizing automatic backups and ransomware protection to suit diverse needs.
Secure your data today with Backblaze—a user-friendly, reliable choice that ensures your files remain protected and easily recoverable.
Tools Reviewed
All tools were independently evaluated for this comparison
Referenced in the comparison table and product reviews above.
