# Synctrain vs Sia Storage

The clearest difference is update cadence: Sia Storage at fortnightly against Synctrain's every 6 weeks. Sia Storage also leads on review sentiment (100% vs 89%). Synctrain's advantage is ratings volume (123 vs 9). On price, rating, ads and in-app purchases there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.9 for Synctrain against 4.9 for Sia Storage. That said, the two scores are not equally well evidenced: Synctrain has 123 ratings behind it against 9, 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 Sia Storage's.

Synctrain ships an update every 6 weeks, Sia Storage fortnightly. The most recent releases landed on October 15, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Synctrain | Sia Storage |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (123 ratings)](https://appshunter.io/ios/app/synctrain/id6553985316/reviews)** | [4.9 (9 ratings)](https://appshunter.io/ios/app/sia-storage/id6753593109/reviews) |
| Number of ratings | **123** | 9 |
| Positive reviews | 89.5% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Monetization | Free | Free |
| Size | 33 MB | 52 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [T-Shaped](https://appshunter.io/developer/1758051723) | [Sia Storage](https://appshunter.io/developer/1839553964) |

## 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


### Sia Storage

[App page](https://appshunter.io/ios/app/sia-storage/id6753593109)

Securely store and organize your files with end-to-end encryption. Your data is split and distributed across a decentralized network, ensuring no single point of failure. Access your files from any device and benefit from automatic photo backup and file versioning.

**Highlights:** End-to-end encryption, Decentralized file distribution, Automatic photo backup, Multi-device sync, File versioning, Open source

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Synctrain free?

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

### Is Sia Storage free?

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

### Which has better reviews, Synctrain or Sia Storage?

Synctrain is rated higher. Synctrain averages 4.9 out of 5 from 123 ratings, while Sia Storage averages 4.9 from 9 ratings.

### Do Synctrain or Sia Storage have ads?

Neither Synctrain nor Sia Storage shows ads.

### Which is updated more often, Synctrain or Sia Storage?

Synctrain ships an update every 6 weeks, and Sia Storage fortnightly. Most recently, Synctrain was updated on October 15, 2026 and Sia Storage on October 21, 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.*