# Synctrain vs Onyx Focus

The clearest difference is in-app purchases: Synctrain at none against Onyx Focus's 3. Synctrain also leads on device support (3 vs 1). Onyx Focus's advantage is update cadence (every 2 days vs every 6 weeks). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Onyx Focus sells 3 in-app purchases, starting at $4.99 per month. Synctrain asks for nothing beyond the download.

Synctrain ships an update every 6 weeks, Onyx Focus every 2 days. The most recent releases landed on September 28, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Synctrain | Onyx Focus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (123 ratings)](https://appshunter.io/ios/app/synctrain/id6553985316/reviews)** | — |
| Number of ratings | **123** | — |
| Positive reviews | 89.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 days** |
| Monetization | Free | — |
| Size | 33 MB | 2 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [T-Shaped](https://appshunter.io/developer/1758051723) | [Ramona Furter](https://appshunter.io/developer/6781607517) |

## 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


### Onyx Focus

[App page](https://appshunter.io/ios/app/onyx-focus-app-blocker/id6785593721)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Onyx Pro Monthly | $4.99 | per month |
| Onyx Pro Yearly | $24.99 | per year |
| Onyx Pro Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is Synctrain free?

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

### Is Onyx Focus free?

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

### Do Synctrain or Onyx Focus have ads?

Neither Synctrain nor Onyx Focus shows ads.

### Which is updated more often, Synctrain or Onyx Focus?

Synctrain ships an update every 6 weeks, and Onyx Focus every 2 days. Most recently, Synctrain was updated on September 28, 2026 and Onyx Focus on September 10, 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.*