# Alternatives to GoodSync GoodSync is proprietary file synchronization and backup software from Siber Systems for Windows, Mac, Linux, iOS and Android. It supports real-time bidirectional sync, block-level delta transfer, versioning, and connects to local drives, NAS, FTP/SFTP, WebDAV and major cloud storage providers. It also now absorbs Allway Sync, whose vendor is migrating users to GoodSync. GoodSync ranks #1 of 11 in File sync, with an Alt Score of 93. It is proprietary, freemium from €29.95/yr and available on Windows, macOS, Linux, iOS and Android. 12 of 12 checklist rows are verified against a public source. Source: https://altcatalog.com/alternatives/goodsync/ Category: File sync ## Where GoodSync stands out - **Mobile support** — 4 of 11 apps with a verified answer have this ## Overview - **Who it's for**: GoodSync is aimed at individuals and IT teams who need to back up or synchronize files across desktops, laptops, servers, NAS devices, mobile phones, and cloud storage accounts, ranging from single-user personal backup to multi-server business deployments. - **What you get**: The software provides configurable one-way or two-way sync/backup jobs with real-time, scheduled, or unattended automation; block-level (delta) transfer; automated conflict resolution; version history; AES-256 client-side encryption; and connectivity to local drives, network shares, FTP/SFTP/WebDAV, GoodSync's own GSTP protocol, and major cloud providers (Google Drive, OneDrive, Dropbox, Amazon S3, Backblaze B2, Azure, and others). - **How it works**: Users define Jobs pairing a source and destination folder, with include/exclude filters to select specific subfolders; jobs run as a background service comparing file trees and copying only changed data blocks. Direct device-to-device transfer is handled through GoodSync Connect (GSTP protocol), which can route through GoodSync's Mediator/Forwarder service or connect directly to a self-run GSTP server when addressed directly. ## Profile - **License**: Proprietary (verified 2026-07-30) - **Pricing model**: Freemium (verified 2026-07-30) - **Starts at**: €29.95/yr (verified 2026-07-30) - **Platforms**: Windows, macOS, Linux, iOS, Android - **Status**: active (verified 2026-07-30) ## Ranked alternatives | # | App | Alt Score | Licence | Platforms | |---|-----|-----------|---------|-----------| | 1 | [Seafile](https://altcatalog.com/alternatives/seafile.md) | 93 | AGPL-3.0 | Windows, macOS, Linux, iOS | | 2 | [SyncBackPro](https://altcatalog.com/alternatives/syncbackpro.md) | 89 | Proprietary | Windows | | 3 | [Syncthing](https://altcatalog.com/alternatives/syncthing.md) | 89 | MPL-2.0 | Windows, macOS, Linux, Android | | 4 | [Syncovery](https://altcatalog.com/alternatives/syncovery.md) | 85 | Proprietary | Windows, macOS, Linux | | 5 | [Unison](https://altcatalog.com/alternatives/unison.md) | 81 | GPL-3.0 | Windows, macOS, Linux | | 6 | [ChronoSync](https://altcatalog.com/alternatives/chronosync.md) | 74 | ? | macOS | | 7 | [rclone](https://altcatalog.com/alternatives/rclone.md) | 74 | MIT | Windows, macOS, Linux, Android | | 8 | [FolderSync](https://altcatalog.com/alternatives/foldersync.md) | 62 | Proprietary | Windows, macOS, Linux, Android | | 9 | [FreeFileSync](https://altcatalog.com/alternatives/freefilesync.md) | 55 | Proprietary | Windows, macOS, Linux | | 10 | [Resilio Sync](https://altcatalog.com/alternatives/resilio-sync.md) | 40 | Proprietary | Windows, macOS, Linux, iOS | Alt Score = Verified coverage (90%) + Visibility (10%). See https://altcatalog.com/how-alt-score-works/ ## Feature comparison Legend: Yes / No / Partial / ? (not verified). | File sync checklist | GoodSync | Seafile | SyncBackPro | Syncthing | Syncovery | Unison | |---|---|---|---|---|---|---| | Pricing model | Freemium | OSS + paid hosting | One-time | Free | One-time | Free | | Starts at | €29.95/yr | $8/user/month | ? | Free | $39.90 | Free | | License | Proprietary | AGPL-3.0 | Proprietary | MPL-2.0 | Proprietary | GPL-3.0 | | Platforms | Windows, macOS, Linux, iOS, Android | Windows, macOS, Linux, iOS, Android, Web | Windows | Windows, macOS, Linux, Android | Windows, macOS, Linux | Windows, macOS, Linux | | Peer-to-peer (no server) | Yes | No | Yes | Yes | Yes | Yes | | Self-hostable server | Yes | Yes | Yes | No | Yes | Yes | | Selective sync | Yes | Yes | Yes | Yes | Yes | Yes | | Delta sync | Yes | Yes | Yes | Yes | Yes | Yes | | Conflict handling | Yes | Yes | Yes | Yes | Yes | Yes | | Untrusted-device encryption | Yes | Yes | Yes | Yes | Yes | No | | Bandwidth limits | Yes | Yes | Yes | Yes | Yes | Partial | | LAN sync | Yes | Yes | Yes | Yes | Yes | Yes | | File versioning | Yes | Yes | Yes | Yes | Yes | Yes | | Ignore patterns | Yes | Yes | Yes | Yes | Yes | Yes | | Mobile support | Yes | Yes | Partial | Partial | No | No | | Open source | No | Yes | No | Yes | No | Yes | ## Sources Sources for GoodSync. Each alternative is sourced on its own page. - **License**: Proprietary — (verified 2026-07-30) - Note: GoodSync is closed-source commercial software under a EULA, not an OSS license. - Quote: “Siber Systems (Siber) grants and Customer accepts a nonexclusive, nontransferable, non-assignable (unless such prohibition is otherwise prohibited by local law), limited license to use the Software” - **Pricing model**: Freemium — (verified 2026-07-30) - Note: Page compares free GoodSync (capped at 3 jobs / 100 files) against a paid tier with those limits removed; a separate free consumer download exists (see download page). - Quote: “GoodSync Personal Free vs. Paid” - **Platforms**: Windows, macOS, Linux, iOS, Android — (verified 2026-07-30) - Note: Also ships NAS builds (Synology, QNAP, WD, Asustor) and a web-based Control Center, per business-compare page. - Quote: “Windows Mac iPhone iPad iOS Android Linux NAS” - **Status**: active — (verified 2026-07-30) - Quote: “Version 12.11.5 -- 2026-07-14” - **Starts at**: €29.95/yr — (verified 2026-07-30) - Note: Cheapest paid personal tier, billed annually; business Workstation license is $49.95/yr per the business-compare page. - Quote: “One Year subscription to use GoodSync on up to 5 devices. €29.95” - **Peer-to-peer (no server)**: Yes — (verified 2026-07-30) - Note: GoodSync Connect's default mode uses GoodSync's Mediator/Forwarder service for discovery, but Direct Addressing mode connects client-to-server directly without it; personal.html also calls it 'Direct - Quote: “In Direct Addressing Mediator and Forwarders are not used, connecting Client to Server is your responsibility.” - **Self-hostable server**: Yes — (verified 2026-07-30) - Note: You can run GoodSync (incl. GoodSync for Server OS) as your own GSTP server and have other GoodSync installs connect straight to its IP, bypassing the vendor's cloud mediator. - Quote: “In Direct Addressing Mediator and Forwarders are not used, connecting Client to Server is your responsibility.” - **Selective sync**: Yes — (verified 2026-07-30) - Quote: “Multiple folder selection is turned into Include and Exclude Filters that enforce copying only the selected folders.” - **Delta sync**: Yes — (verified 2026-07-30) - Quote: “Block Level Data Transfer Propagates only the data blocks changed since the last analysis, significantly reducing backup time, network consumption, and storage requirements.” - **Conflict handling**: Yes — (verified 2026-07-30) - Quote: “Automated Conflict Resolution: Automatically resolves conflicts that occur between data versions, securing the winning side while also saving the overwritten version.” - **Untrusted-device encryption**: Yes — (verified 2026-07-30) - Note: Client Side Encryption option encrypts file names and bodies with AES-256 before upload so the destination/server never holds the key. - Quote: “which GoodSync can execute on the client side using a key derived from the provided password. Consequently, the server lacks the means to decrypt files.” - **Bandwidth limits**: Yes — (verified 2026-07-30) - Quote: “File Copy Speed Limit in KByte/sec (0 by default) If not zero, limit the file copy speed by the specified value in KBytes/sec.” - **LAN sync**: Yes — (verified 2026-07-30) - Note: features page also lists 'Local Area Network' as a supported connection type for GoodSync Explorer/Connect. - Quote: “You may use non-encrypted plain text version of GSTP protocol on Local Network.” - **File versioning**: Yes — (verified 2026-07-30) - Quote: “Version History Control Saves single or multiple versions of your data change history, ensuring maximum protection and minimal data recovery time.” - **Ignore patterns**: Yes — (verified 2026-07-30) - Quote: “Exclude Filter. File Mask is a |-separated list of patterns such as *.obj or \folder\file” - **Mobile support**: Yes — (verified 2026-07-30) - Quote: “Mobile device support i Full support for all iOS and Android based mobile devices.” - **Open source**: No — (verified 2026-07-30) - Note: Governed by a proprietary End User License Agreement; no source code is published. - Quote: “Siber Systems (Siber) grants and Customer accepts a nonexclusive, nontransferable, non-assignable (unless such prohibition is otherwise prohibited by local law), limited license to use the Software” --- Ranked by verified data, never by who paid. https://altcatalog.com/trust/