Comparison

Rclone vs Unison

On the evidence we track, Rclone leads this comparison with a composite score of 68/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Rclone full profile →Unison full profile →

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★Rclone68

Unison56

Attribute comparison across 2 tools
Attribute	RcloneLeader	Unison
Vioscale score	68 / 100low · 40%	56 / 100low · 26%
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	commercial	commercial
Price levelpricing.price_level	free	free
Transparentpricing.transparent	✓	✓
Integrations
Countintegrations.count	40	-
Security
Scorecardsecurity.scorecard	5	4.5
Vulnerabilitiessecurity.vulnerabilities	Count: 20 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Frclone%2Frclone&per_page=100 · Last 12m: 18 · Max severity: CRITICAL	-
Adoption
Dependent reposadoption.dependent_repos	43	-
Github starsadoption.github_stars	59,406	5,455
Activity
Commits last 30dactivity.commits_last_30d	100	3
Release
Cadence daysrelease.cadence_days	17	132
Historyrelease.history	20 items	20 items
License
Spdxlicense.spdx	MIT	GPL-3.0
Language
Primarylanguage.primary	Go	OCaml
Market
Availabilitymarket.availability	-	Available worldwide

Score

Vioscale score

Rclone68 / 100low · 40%

Unison56 / 100low · 26%

Pricing

Free tier

Rclone✓

Unison✓

Model

Rclonecommercial

Unisoncommercial

Price level

Rclonefree

Unisonfree

Transparent

Rclone✓

Unison✓

Integrations

Count

Rclone40

Unison–

Security

Scorecard

Rclone5

Unison4.5

Vulnerabilities

RcloneCount: 20 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Frclone%2Frclone&per_page=100 · Last 12m: 18 · Max severity: CRITICAL

Unison–

Adoption

Dependent repos

Rclone43

Unison–

Github stars

Rclone59,406

Unison5,455

Activity

Commits last 30d

Rclone100

Unison3

Release

Cadence days

Rclone17

Unison132

History

Rclone20 items

Unison20 items

License

Spdx

RcloneMIT

UnisonGPL-3.0

Language

Primary

RcloneGo

UnisonOCaml

Market

Availability

Rclone–

UnisonAvailable worldwide

Capabilities

Feature-by-feature on the axes that matter for file sync. “-” means undocumented, not absent.

Capability comparison for File Sync
Capability	Rclone	Unison
Capabilities
Deployment model	Self hosted	Self hosted
Peer to peer p2p network routing	-	✓
Client server architecture cloud host	✓	✗
Block level delta sync transfer speed	✓	✓
Self hosted linux docker deployment	✓	✓
Synology qnap nas hardware integration	-	-
Aws s3 azure blob external mounts	✓	-
Active directory ldap identity sync	-	-
Version history and conflict resolution	✓	✓
End to end encryption keys in transit	✓	-
SOC2 type ii	-	-
ISO 27001	-	-
Pricing model	Free open source	Free open source

Capabilities

Deployment model

RcloneSelf hosted

UnisonSelf hosted

Peer to peer p2p network routing

Rclone-

Unison✓

Client server architecture cloud host

Rclone✓

Unison✗

Block level delta sync transfer speed

Rclone✓

Unison✓

Self hosted linux docker deployment

Rclone✓

Unison✓

Synology qnap nas hardware integration

Rclone-

Unison-

Aws s3 azure blob external mounts

Rclone✓

Unison-

Active directory ldap identity sync

Rclone-

Unison-

Version history and conflict resolution

Rclone✓

Unison✓

End to end encryption keys in transit

Rclone✓

Unison-

SOC2 type ii

Rclone-

Unison-

ISO 27001

Rclone-

Unison-

Pricing model

RcloneFree open source

UnisonFree open source

What each one is

The product in its own terms, so the numbers below have context.

Rclone

Leader

A client-side command-line program that synchronizes files between your local machine and multiple cloud storage services. It supports a wide range of cloud providers and offers features like encryption, checksums, server-side transfers, and bidirectional synchronization.

Independently observed

Unison

Unison is an open-source utility that maintains two replicas of files and directories across separate hosts or storage devices, automatically propagating non-conflicting changes while detecting conflicting updates. It works over internet connections including slow links, and allows offline access to already-synchronized data.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Rclone

Leader

Open sourceFree tier

Free and open source (MIT license)

as of 2026-08-21verify ↗

Unison

FreeFree tier

Free and open source

as of 2026-08-21verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platform and deployment support comparison
Supports	Rclone	Unison
AndroidPlatforms	✓	✗
macOSPlatforms	✓	✓
WindowsPlatforms	✓	✓
LinuxPlatforms	✓	✓
CLIPlatforms	✓	✓
Self-hostedDeployment	✓	✓

Platforms

Android

Rclone✓

Unison✗

macOS

Rclone✓

Unison✓

Windows

Rclone✓

Unison✓

Linux

Rclone✓

Unison✓

CLI

Rclone✓

Unison✓

Deployment

Self-hosted

Rclone✓

Unison✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Rclone

Leader

38 total

Amazon S3
Google Drive
Microsoft OneDrive
Dropbox
Backblaze B2
Microsoft Azure Blob Storage
Azure Files Storage
Google Cloud Storage
Oracle Cloud Storage
Cloudflare R2
iCloud Drive
Nextcloud
ownCloud
pCloud
Alibaba Cloud OSS
Huawei Cloud OBS
Tencent Cloud COS
OpenStack Swift
Rackspace Cloud Files
OVHcloud
rsync.net
Seagate Lyve Cloud
IONOS Cloud
Mail.ru Cloud
+14 more

Independently observed

Unison

Not documented yet.

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.