Backup & Recovery · Reviewed 21 Oct 2026

Duplicacy

Cross-platform cloud backup tool with lock-free deduplication and client-side encryption.

free tier · duplicacy.com ↗

Paid against free › Backup & Recovery › Duplicacy

Duplicacy at a glance

Overview

01

Summary

The useful answer before the supporting detail.

Duplicacy is a cross-platform cloud backup tool that uses Lock-Free Deduplication to manage backups without locks, enabling efficient storage use S1. It serves individuals and businesses needing reliable backup to cloud storage, with a command-line engine and a web-based GUI for operations like backup, restore, and prune S1 S19. Its practical value lies in client-side encryption and high-level deduplication, reducing storage costs while maintaining security S1.

02

Product identity and positioning

Name, category, positioning, audience, and first-party claims.

  • Identity: Duplicacy, a cross-platform cloud backup tool S1.
  • Core purpose: Solves efficient backup to cloud storage using Lock-Free Deduplication S1.
  • Intended users: Individual users and IT service providers S1.
  • Product scope: Includes a command-line engine and a web-based GUI frontend S1.
  • Positioning: A new generation backup tool with a powerful web GUI S1.
  • Claimed distinction: Lock-Free Deduplication enables smooth operation with most cloud storage S1.
03

Use cases and audiences

Who the product serves and the jobs it is designed to handle.

AudiencePractical use case
Individual usersBack up personal files to cloud storage with client-side encryption S1 S13.
IT service providersOffer managed backup services with customized web GUI branding S1.
Commercial usersBack up any files on any computer with a commercial license S13.
Schools and universitiesObtain licenses with an exception for educational institutions S13.

Features

09

Features and capabilities

Core functions and evidence-backed product capabilities.

CapabilityWhat it does
BackupBacks up files to cloud storage with client-side encryption and deduplication S1.
RestoreRestores files from backups, with options to select files or directories S42.
CheckVerifies backup integrity and storage statistics S42.
CopyCopies backups between storages, requiring copy-compatible destinations S42.
PruneDeletes old backups using a two-step fossil collection algorithm S1.
SchedulingSchedules backups with configurable start time, frequency, and days S42.
Email notificationsSends email notifications after each backup finishes S20.
Web GUIProvides a web-based interface for all major operations, with a dashboard S19.
10

Integrations and ecosystem

Connected products, exports, APIs, and workflow compatibility.

Integration or interfaceTypeWhat it enables
Cloud storage servicesIntegrationWorks with most cloud storage services via basic file system API S1.
Backblaze B2IntegrationRequires bucket name, account ID, and application key for storage S20.
Azure Blob StorageIntegrationRequires container name and access key for storage S20.
SFTPIntegrationRequires server address, username, and remote directory for storage S20.
Local diskIntegrationAllows using a local directory as storage S20.
HTTPS connectionsSecurityCreates HTTPS connections when connecting to cloud storages S20.
Proxy serverConfigurationSupports proxy server settings for internet access S20.

Pricing

11

Pricing and plans

Published plans, free access, trials, credits, and pricing limitations.

Plan or offerVerified price and billingIncludedLimits
Personal GUI$20 first computer, $10 each additional, yearly; later years $5 and $2 S13GUI license for one home computer S13Personal files only S13
Commercial GUI$50 per computer, yearly S13GUI license for any computer S13None S13
CLI$50 per computer, yearly S13CLI license for one computer S13Commercial use; free for personal use S1 S13
Free tierFreeCLI version for personal use S13Personal use only S13
Restore/check/copy/pruneFreeCLI operations without license S19Not established

Competition

12

Competitive landscape

Domains competing for the same organic search demand.

Sampled competitors

CompetitorFirst-page appearancesSampled queriesAverage positionQueries observed
reddit.com322duplicacy, a device which does not exist was specified
forum.duplicacy.com217duplicacy
superuser.com111a device which does not exist was specified
youtube.com112a device which does not exist was specified
forum.duplicati.com113duplicacy
warfieldnc.com114duplicacy
partitionwizard.com114a device which does not exist was specified
faun.dev115duplicacy
learn.microsoft.com115a device which does not exist was specified
systweak.com116a device which does not exist was specified

Website intelligence — Collected evidence

Customers, testimonials, and first-party review claims

No supporting public-page evidence was collected for this category.

Independent review sources discovered

No links to supported independent review platforms were discovered on the collected pages.

13

AI visibility

Measured ChatGPT and Google AI mentions with cited sources.

AI-assistant referral traffic

  • Estimated current generative-AI referral share: 1.0%

Scout traffic model did not return a separate AI-referral trend series for this domain.

Website intelligence — Collected evidence

Site-stated AI capabilities

No supporting public-page evidence was collected for this category.

These are first-party product claims, not independent measurements of AI-search visibility.

14

Marketing opportunities

Actions calculated directly from the collected evidence.

OpportunityRecommended actionEvidence
Striking-distance keywordVolume 40 · https://forum.duplicacy.com/t/2025-black-friday-cyber-monday-offerings/10705
Competitor gap3 first-page appearances across duplicacy, a device which does not exist was specified

Website intelligence — Collected evidence

Website evidence gaps

  • pricing: no usable public page was collected; verify whether the site publishes this evidence.
  • features: no usable public page was collected; verify whether the site publishes this evidence.
  • integrations: no usable public page was collected; verify whether the site publishes this evidence.
  • customers: no usable public page was collected; verify whether the site publishes this evidence.
  • reviews: no usable public page was collected; verify whether the site publishes this evidence.
  • changes: no usable public page was collected; verify whether the site publishes this evidence.
  • identity: no usable public page was collected; verify whether the site publishes this evidence.
  • technical: no usable public page was collected; verify whether the site publishes this evidence.

Trust and proof

15

Customers, proof, and reviews

Published proof, customer signals, and review evidence.

Independent reviews

PlatformPageHow it was foundNote
Duplicacy ForumComparison duplicacy + borg + restic + arq + duplicati - Praise - Duplicacy ForumGrounded web search/ 1m20s / 1m51s / 4m10s / ... Stress Efficiency (100 * 1Mb) / -6% / -10% / ... 0% / / Dedup Stress Efficiency (16 * 8Mb) / 48% / -2% / 96% / 63% / 45% / / Dedup Stress Efficiency (4 * 128Mb) / 98% / ... 98% / / Prune / 2h50m /
Duplicacy ForumDont buy this scam - Praise - Duplicacy ForumGrounded web searchThe big difference that makes me put Duplicacy in front is its incredible robustness, and all the possibilities of being able to recover your data when a backup is corrupted, because the huge advantage is that there is no database system to store meta data or whatever, everything happens at the file system level, it’s incredibly powerful and robust. And with Duplicacy, the only limitation on performance is only hardware, CPU, RAM or disk IO. Arq 7, sometimes, does nothing for hours, no CPU load,
Selfhosting.shDuplicacy vs Restic: Which Backup Tool to Self-Host? / selfhosting.shGrounded web searchits CLI is straightforward. Duplicacy’s cross-computer deduplication is genuinely unique and valuable if you back up ... same storage — but its web UI costs $20, and the ecosystem is smaller. Pick Restic unless you specifically need multi-machine dedup.
Unsubbed.coDuplicacy — unsubbed.coGrounded web searchoperators running multiple servers who want aggressive deduplication across machines to a single cloud destination. Less suited to non ... Cost: CLI is free for personal use; commercial CLI license costs $50/machine/year

Customer proof

No named customers, testimonials, or customer case studies were found.

Independent mentions

External links were grounded in one live web search. Search snippets are leads, not independently scraped page content; rejected links remain available in Review evidence.

16

Company, security, and trust

Ownership, policies, security signals, and public trust evidence.

SignalFindingSource
Company and ownershipWith Affiliates: We may share Your information with Our affiliates, in which case we will require those affiliates to honor this Privacy Policy. Affiliates include Our parent company and any other subsidiaries, jointsource
Contact and supportWe also provide volume discounts to service providers and resellers. Please contact us for more details.source
Legal and privacyThis Privacy Policy describes Our policies and procedures on the collection, use and disclosure of Your information when You use the Service and tells You about Your privacy rights and how the law protects You.source
Security and complianceDuplicacy backs up your files to many cloud storages with client-side encryption and the highest level of deduplicationsource
Uptime and status pageNot published on the collected pages.—
Domain registered2015-11-05—
Domain expires2027-11-05—

Not found on the collected pages: uptime and status page. This only means Scout did not find it on the pages it read; it says nothing about the company itself.

17

Documentation and product updates

Help resources, product guidance, and visible changes over time.

Resource or updateTypeWhat is availableDate or freshness
Duplicacy User GuideGuideA new generation cross-platform cloud backup tool (source)Not dated
Duplicacy User GuideGuideDuplicacy Web Edition User Guide (source)Not dated
DuplicacyProduct updateProduct update is publicly available. (source)Not dated

Not found in the collected public sources: public roadmap, changelog or release notes, status page, separate help center or knowledge base.

Technical

18

Technical and delivery signals

Delivery model, platforms, API, data ownership, reliability claims and release activity.

SignalFindingSource
Delivery model (cloud, self-hosted, desktop, browser extension)Web Edition runs locally, listening on localhost by default S42.S42
Platforms and appsAvailable on Windows, macOS, and Linux; installers for Windows/macOS, executables for Linux S42.S42
API and extensibility (API, SDK, webhooks, MCP, plugins)Command-line version serves as the engine for GUI versions S19.S19
Data ownership and exportNot published on the collected pages.—
Performance and reliability claimsLock-Free Deduplication works smoothly with most cloud storage services S1.S1
Release activityRelease notes for version 1.8.3 are available S19.S19
19

Measured infrastructure

Domain, certificate, and hosting signals, measured directly.

SignalFinding
Domain registered2015-11-05 — Cloudflare, Inc.
Domain expires2027-11-05
TLS certificateGoogle Trust Services, valid, expires 2026-12-28
Security headersnone served
Headers not servedHSTS, CSP, X-Content-Type-Options, X-Frame-Options, Referrer-Policy
Server headerGoogle Frontend
Mail handled bymx.zoho.com, mx2.zoho.com
Nameserversmelina.ns.cloudflare.com, ken.ns.cloudflare.com

Not measurable: wayback: rate limited by archive.org, ladder stopped after 1 probe(s). A gap here means the lookup was unavailable, not that the finding is negative.

20

Technical site audit

A bounded multi-page crawl with page-level issues and URLs.

Scout — Bounded technical crawl

  • Pages crawled: 15 of 15 maximum
  • Technical health: 78/100
  • Critical issues: 0
  • Warnings: 53
  • Notices: 29

Issues

SeverityIssueValueAffected URL
warningTitle length should be reviewed9https://duplicacy.com/
noticeMeta description length should be reviewed49https://duplicacy.com/
warningMissing canonical URL—https://duplicacy.com/
noticeImages are missing alt text1https://duplicacy.com/
warningTitle length should be reviewed9https://duplicacy.com/home.html
noticeMeta description length should be reviewed49https://duplicacy.com/home.html
warningMissing canonical URL—https://duplicacy.com/home.html
noticeImages are missing alt text1https://duplicacy.com/home.html
noticeMeta description length should be reviewed32https://duplicacy.com/guide.html
warningPage should have one primary H10https://duplicacy.com/guide.html
warningMissing canonical URL—https://duplicacy.com/guide.html
noticeImages are missing alt text1https://duplicacy.com/guide.html
warningTitle length should be reviewed9https://duplicacy.com/buy.html
noticeMeta description length should be reviewed49https://duplicacy.com/buy.html
warningPage should have one primary H10https://duplicacy.com/buy.html
warningMissing canonical URL—https://duplicacy.com/buy.html
noticeImages are missing alt text1https://duplicacy.com/buy.html
noticeMeta description length should be reviewed15https://duplicacy.com/licenses
warningPage should have one primary H10https://duplicacy.com/licenses
warningMissing canonical URL—https://duplicacy.com/licenses
noticeLow visible word count41https://duplicacy.com/licenses
noticeImages are missing alt text1https://duplicacy.com/licenses
warningTitle length should be reviewed9https://duplicacy.com/download.html
noticeMeta description length should be reviewed49https://duplicacy.com/download.html
warningPage should have one primary H10https://duplicacy.com/download.html
warningMissing canonical URL—https://duplicacy.com/download.html
noticeImages are missing alt text1https://duplicacy.com/download.html
warningTitle length should be reviewed9https://duplicacy.com/home.html
noticeMeta description length should be reviewed49https://duplicacy.com/home.html
warningMissing canonical URL—https://duplicacy.com/home.html
noticeImages are missing alt text1https://duplicacy.com/home.html
warningMissing meta description—https://duplicacy.com/privacy_policy.html
warningPage should have one primary H17https://duplicacy.com/privacy_policy.html
warningMissing canonical URL—https://duplicacy.com/privacy_policy.html
noticeMeta description length should be reviewed49https://duplicacy.com/gui_guide.html
warningPage should have one primary H10https://duplicacy.com/gui_guide.html
warningMissing canonical URL—https://duplicacy.com/gui_guide.html
noticeImages are missing alt text1https://duplicacy.com/gui_guide.html
noticeMeta description length should be reviewed25https://duplicacy.com/forgot_password
warningPage should have one primary H10https://duplicacy.com/forgot_password
warningMissing canonical URL—https://duplicacy.com/forgot_password
noticeLow visible word count38https://duplicacy.com/forgot_password
noticeImages are missing alt text1https://duplicacy.com/forgot_password
noticeMeta description length should be reviewed23https://duplicacy.com/issues
warningPage should have one primary H10https://duplicacy.com/issues
warningMissing canonical URL—https://duplicacy.com/issues
noticeLow visible word count38https://duplicacy.com/issues
noticeImages are missing alt text1https://duplicacy.com/issues
noticeMeta description length should be reviewed15https://duplicacy.com/customer
warningPage should have one primary H10https://duplicacy.com/customer
warningMissing canonical URL—https://duplicacy.com/customer
noticeLow visible word count41https://duplicacy.com/customer
noticeImages are missing alt text1https://duplicacy.com/customer
warningMissing meta description—https://duplicacy.com/gcp_start
warningPage should have one primary H10https://duplicacy.com/gcp_start
warningMissing canonical URL—https://duplicacy.com/gcp_start
noticeLow visible word count124https://duplicacy.com/gcp_start
warningMissing meta description—https://duplicacy.com/dropbox_start.html
warningPage should have one primary H10https://duplicacy.com/dropbox_start.html
warningMissing canonical URL—https://duplicacy.com/dropbox_start.html
noticeLow visible word count106https://duplicacy.com/dropbox_start.html
warningMissing meta description—https://duplicacy.com/gcd_start
warningPage should have one primary H10https://duplicacy.com/gcd_start
warningMissing canonical URL—https://duplicacy.com/gcd_start
noticeLow visible word count108https://duplicacy.com/gcd_start
warningDuplicate title in audit sample5https://duplicacy.com/
warningDuplicate title in audit sample5https://duplicacy.com/home.html
warningDuplicate title in audit sample5https://duplicacy.com/buy.html
warningDuplicate title in audit sample5https://duplicacy.com/download.html
warningDuplicate title in audit sample5https://duplicacy.com/home.html
warningDuplicate title in audit sample2https://duplicacy.com/guide.html
warningDuplicate title in audit sample2https://duplicacy.com/gui_guide.html
warningDuplicate title in audit sample2https://duplicacy.com/licenses
warningDuplicate title in audit sample2https://duplicacy.com/customer
warningDuplicate meta description in audit sample6https://duplicacy.com/
warningDuplicate meta description in audit sample6https://duplicacy.com/home.html
warningDuplicate meta description in audit sample6https://duplicacy.com/buy.html
warningDuplicate meta description in audit sample6https://duplicacy.com/download.html
warningDuplicate meta description in audit sample6https://duplicacy.com/home.html
warningDuplicate meta description in audit sample6https://duplicacy.com/gui_guide.html
warningDuplicate meta description in audit sample2https://duplicacy.com/licenses
warningDuplicate meta description in audit sample2https://duplicacy.com/customer

Crawled pages

StatusTitleH1sWordsResponseURL
200Duplicacy141485 mshttps://duplicacy.com/
200Duplicacy141476 mshttps://duplicacy.com/home.html
200Duplicacy User Guide01569113 mshttps://duplicacy.com/guide.html
200Duplicacy0907100 mshttps://duplicacy.com/buy.html
200Log in required04195 mshttps://duplicacy.com/licenses
200Duplicacy031585 mshttps://duplicacy.com/download.html
200Duplicacy141455 mshttps://duplicacy.com/home.html
200Duplicacy Privacy Policy7238579 mshttps://duplicacy.com/privacy_policy.html
200Duplicacy User Guide02370100 mshttps://duplicacy.com/gui_guide.html
200Request to reset password03857 mshttps://duplicacy.com/forgot_password
200Duplicacy issue tracker038191 mshttps://duplicacy.com/issues
200Log in required04162 mshttps://duplicacy.com/customer
200Google Cloud Platform for Duplicacy012457 mshttps://duplicacy.com/gcp_start
200Dropbox Token for Duplicacy0106134 mshttps://duplicacy.com/dropbox_start.html
200Google Drive for Duplicacy010852 mshttps://duplicacy.com/gcd_start

This is a bounded Scout crawl. Core Web Vitals and Lighthouse scores are not claimed unless a dedicated performance audit is connected.

21

Search Console and Analytics

First-party search and behavioral data connection state.

Modeled acquisition channels

ChannelEstimated share
direct44.4%
search37.8%
search organic33.7%
search paid4.1%
social4.6%
social organic4.2%
social paid0.4%
referrals7.8%
paid referrals1.7%
mail1.8%
gen ai1.0%
affiliate1.1%
other0.0%

First-party connections

IntegrationStatusData available after connection
Google Search ConsoleNot connectedClicks, impressions, CTR, average position, queries, pages, countries, and devices
Google AnalyticsNot connectedOrganic sessions, engagement, landing pages, conversions, geography, and devices

No first-party Search Console or Analytics numbers are shown until the site owner authorizes the corresponding Google account. Scout traffic model values above are modeled estimates, not private analytics totals.

Limits and method

22

Limitations and open questions

Known constraints and missing evidence from the collected pages.

The collected pages do not mention any competitor products. Evidence gaps include lack of customer reviews, detailed performance benchmarks, and explicit data export procedures. Open questions remain about the exact scope of the free tier and the availability of volume discounts for service providers S1.

23

Sources, method, and limitations

Evidence inventory, collection method, provider use, and constraints.

This report is based on 9 collected pages from duplicacy.com, including the homepage, pricing, download, user guides, and privacy policy. Static and browser rendering rendering were used; external proof search was enabled but no verification requests were made. Limitations include missing pages and lack of independent review data.

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