# Synctrain vs OneSync

The clearest difference is rating: Synctrain at 4.9 against OneSync's 1.0. Synctrain also leads on ratings volume (123 vs 1). OneSync's advantage is update cadence (every 2 weeks vs every 6 weeks) and iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Synctrain holds the better App Store score, 4.9 against 1.0. That said, the two scores are not equally well evidenced: Synctrain has 123 ratings behind it against 1, so its average is the more settled of the two.

Synctrain ships an update every 6 weeks, OneSync every 2 weeks. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Synctrain | OneSync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (123 ratings)](https://appshunter.io/ios/app/synctrain/id6553985316/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/onesync-file-share/id6753986352/reviews) |
| Number of ratings | **123** | 1 |
| Positive reviews | 89.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 33 MB | 26 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [T-Shaped](https://appshunter.io/developer/1758051723) | [JUKI JUNG](https://appshunter.io/developer/1212179274) |

## 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


### OneSync

[App page](https://appshunter.io/ios/app/onesync-file-share/id6753986352)

Instantly share files and text between all your devices without needing to sign up. Use QR codes for quick connections and enjoy secure, end-to-end encrypted transfers. Ideal for personal use or quick transfers to friends.

**Highlights:** Instant cross-platform file sharing, QR code for quick session joining, Secure end-to-end encryption, No sign-up required, Share text and files

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Synctrain free?

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

### Is OneSync free?

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

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

Synctrain is rated higher. Synctrain averages 4.9 out of 5 from 123 ratings, while OneSync averages 1.0 from 1 ratings.

### Do Synctrain or OneSync have ads?

Neither Synctrain nor OneSync shows ads.

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

Synctrain ships an update every 6 weeks, and OneSync every 2 weeks. Most recently, Synctrain was updated on October 7, 2026 and OneSync on October 8, 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.*