# Resilio Sync vs Synctrain

The clearest difference is ads: Synctrain at none against Resilio Sync's shown. Synctrain also leads on rating (4.9 vs 4.5) and monetization model (free vs free with in-app purchases). Resilio Sync's advantage is ratings volume (844 vs 123) and iOS requirement (11 vs 17.0). On price, in-app purchases and device support 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 4.5. That said, the two scores are not equally well evidenced: Resilio Sync has 844 ratings behind it against 123, so its average is the more settled of the two. Written reviews point the same way: 78% of Resilio Sync's written reviews are positive against 91% of Synctrain's.

Resilio Sync ships an update every 3 months, Synctrain every 6 weeks. The most recent releases landed on September 20, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Resilio Sync | Synctrain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (844 ratings)](https://appshunter.io/ios/app/resilio-sync/id1126282325/reviews) | **[4.9 (123 ratings)](https://appshunter.io/ios/app/synctrain/id6553985316/reviews)** |
| Number of ratings | **844** | 123 |
| Positive reviews | 77.7% of reviews | **91.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 31 MB | 33 MB |
| Requires iOS | **11** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Resilio Inc.](https://appshunter.io/developer/1126282324) | [T-Shaped](https://appshunter.io/developer/1758051723) |

## What reviewers say

### Resilio Sync

[App page](https://appshunter.io/ios/app/resilio-sync/id1126282325)

Securely transfer files and back up photos between your devices without using third-party servers. Enjoy unlimited storage and speed, with direct peer-to-peer transfers for privacy and efficiency. Supports all file types across various platforms.

**Highlights:** Private cloud creation, Secure direct file transfers, Unlimited storage and speed, Automatic camera backup, Cross-platform device support, Selective file syncing

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast and reliable syncing
- 🔒 Secure private cloud solution
- 👍 Seamless cross-platform integration
- 💡 Selective sync for efficient storage management
- 👍 Easy to set up and use

**What reviewers complain about**

- 🐛 Occasional crashes and bugs
- 🔋 Lack of background sync on iOS
- 👎 Limited file management features within the app
- 👎 Outdated iOS integration, not optimized for newer versions

**Reported bugs**

- Syncing issues after iOS updates
- Inconsistent behavior when removing folders
- Camera roll backup not working as expected

**Requested features**

- Improved iOS integration with Files app
- Background sync for camera roll backup
- Built-in media player and gallery view
- Ability to select and move multiple files at once


### 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


## Frequently asked questions

### Is Resilio Sync free?

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

### Is Synctrain free?

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

### Which has better reviews, Resilio Sync or Synctrain?

Synctrain is rated higher. Resilio Sync averages 4.5 out of 5 from 844 ratings, while Synctrain averages 4.9 from 123 ratings.

### Do Resilio Sync or Synctrain have ads?

Resilio Sync shows ads; Synctrain does not.

### Which is updated more often, Resilio Sync or Synctrain?

Resilio Sync ships an update every 3 months, and Synctrain every 6 weeks. Most recently, Resilio Sync was updated on September 20, 2026 and Synctrain on September 24, 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.*