# Synctrain vs SynoSync

The clearest difference is in-app purchases: Synctrain at none against SynoSync's 1. Synctrain also leads on ratings volume (123 vs 2). SynoSync's advantage is update cadence (every 4 days vs every 6 weeks) and review sentiment (100% vs 89%). On price, rating, ads and monetization model there is nothing between them.

Both are free to download. SynoSync sells 1 one-off in-app purchase. Synctrain asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for Synctrain against 5.0 for SynoSync. That said, the two scores are not equally well evidenced: Synctrain has 123 ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 89% of Synctrain's written reviews are positive against 100% of SynoSync's.

Synctrain ships an update every 6 weeks, SynoSync every 4 days. The most recent releases landed on September 28, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Synctrain | SynoSync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (123 ratings)](https://appshunter.io/ios/app/synctrain/id6553985316/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/synosync/id6762731663/reviews)** |
| Number of ratings | **123** | 2 |
| Positive reviews | 89.5% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 4 days** |
| Monetization | Free | Free |
| Size | 33 MB | 20 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [T-Shaped](https://appshunter.io/developer/1758051723) | [成豪 董](https://appshunter.io/developer/1584985602) |

## What reviewers say

### Synctrain

[App page](https://appshunter.io/ios/app/synctrain/id6553985316)

Securely synchronize files and folders between your devices. Stream audio and video directly from other devices.  Manage file sharing permissions to control access to your data.

**Highlights:** Secure file synchronization, Full folder synchronization, Specific file selection, Audio and video streaming, Cross-device file mirroring, Customizable sharing permissions

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Intuitive interface
- 🚀 Seamless sync between devices
- 🔓 Open-source and free
- 💡 Integrates with iOS Files app

**What reviewers complain about**

- 🐛 Occasional connection issues
- 🔍 Could use more Apple-like design

**Reported bugs**

- Occasional app crashes
- Sync delays on some devices

**Requested features**

- Direct photo/video sync to remote devices
- Faster initial connection to server


### SynoSync

[App page](https://appshunter.io/ios/app/synosync/id6762731663)

This app synchronizes files between your iOS device and Synology NAS, WebDAV, or SMB servers. It integrates seamlessly with the iOS Files app, offering multiple sync modes and conflict resolution options for efficient file management.

**Highlights:** Synology NAS, WebDAV, SMB support, iOS Files app integration, Server-to-Local sync, Local-to-Server sync, Two-Way synchronization, Flexible conflict resolution, Background syncing

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SynoSync-Plus | $4.99 | one-time |


## Frequently asked questions

### Is Synctrain free?

Synctrain is free to download, with no in-app purchases.

### Is SynoSync free?

SynoSync is free to download, with in-app purchases available.

### Which has better reviews, Synctrain or SynoSync?

SynoSync is rated higher. Synctrain averages 4.9 out of 5 from 123 ratings, while SynoSync averages 5.0 from 2 ratings.

### Do Synctrain or SynoSync have ads?

Neither Synctrain nor SynoSync shows ads.

### Which is updated more often, Synctrain or SynoSync?

Synctrain ships an update every 6 weeks, and SynoSync every 4 days. Most recently, Synctrain was updated on September 28, 2026 and SynoSync on September 12, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*