Syncthing Android Wrapper vs Unison

A side-by-side comparison of two self-hosted file sync & storage options — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up? Compare Syncthing Android Wrapper with Compare Unison with

SY Syncthing Android Wrapper Archived Official Android client for Syncthing sync VS UN Unison Bidirectional file synchronizer with conflict detection

Feature	Syncthing Android Wrapper	Unison
Deploy effort	Read-the-docs project	Read-the-docs project
Health score	15 · At risk	88 · Excellent
Status	Archived	Actively maintained
Category	File Sync & Storage	File Sync & Storage
License	MPL-2.0	GPL-3.0
Language	Java	OCaml
Setup difficulty	Easy	Medium
Min. RAM	128 MB	64 MB
Deployment	binary	bare-metal, binary
GitHub stars	★ 4,283	★ 5,493
First released	2015	1999
Replaces	Dropbox, Google Photos	Dropbox

What are Syncthing Android Wrapper and Unison?

Syncthing Android Wrapper

The official Syncthing Android app embeds the Syncthing core to provide continuous peer-to-peer file synchronization on mobile devices. It syncs photos and documents without any central server.

Mobile peer-to-peer sync
Photo backup folders
No central server
Encrypted transfers

Unison

Unison is a mature bidirectional file synchronization tool that reconciles changes made independently on two replicas. It detects conflicts, preserves both versions, and works over SSH for secure remote syncing.

True bidirectional sync
Conflict detection
Works over SSH
Cross-platform replicas

Read the full Unison guide →

Syncthing Android Wrapper vs Unison: key differences

The biggest difference is maintenance: Syncthing Android Wrapper's repository is archived and no longer developed, while Unison is actively maintained. Syncthing Android Wrapper is written in Java, while Unison is built with OCaml. Licensing differs — MPL-2.0 for Syncthing Android Wrapper versus GPL-3.0 for Unison. Unison is the lighter option, starting around 64 MB of RAM against 128 MB for Syncthing Android Wrapper. Unison is the more established project (first released 1999), while Syncthing Android Wrapper arrived in 2015.

Why pick each one

Choose Syncthing Android Wrapper if…

Released under the MPL-2.0 license
Easy to set up — beginner-friendly
Active community (4.3k GitHub stars)
Written in Java

Syncthing Android Wrapper details

Choose Unison if…

Very reliable
Fine-grained control

Watch out for

Dated GTK interface
Version matching between hosts

Unison details

Frequently asked questions

Is Syncthing Android Wrapper or Unison better?

Neither is universally better. Unison has the larger community, while Syncthing Android Wrapper is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.

Are Syncthing Android Wrapper and Unison free and open-source?

Yes. Syncthing Android Wrapper is licensed under MPL-2.0 and Unison under GPL-3.0. Both can be self-hosted at no software cost.

Can I run Syncthing Android Wrapper and Unison with Docker?

Syncthing Android Wrapper: check the project docs for container support. Unison: check the project docs for container support.

Which is lighter on resources, Syncthing Android Wrapper or Unison?

Unison has the smaller minimum footprint at 64 MB of RAM, compared to about 128 MB for Syncthing Android Wrapper. Real-world usage depends on library size, user count, and enabled features.