# Resilio Sync vs SynoSync

The clearest difference is rating: SynoSync at 5.0 against Resilio Sync's 4.5. SynoSync also leads on ads (none vs shown) and update cadence (every 4 days vs every 3 months). Resilio Sync's advantage is in-app purchases (none vs 1) and ratings volume (844 vs 2). On price and device support there is nothing between them.

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

SynoSync holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Resilio Sync has 844 ratings behind it against 2, 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 100% of SynoSync's.

Resilio Sync ships an update every 3 months, SynoSync every 4 days. The most recent releases landed on September 20, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Resilio Sync | SynoSync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (844 ratings)](https://appshunter.io/ios/app/resilio-sync/id1126282325/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/synosync/id6762731663/reviews)** |
| Number of ratings | **844** | 2 |
| Positive reviews | 77.7% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 31 MB | 20 MB |
| Requires iOS | **11** | 16.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Resilio Inc.](https://appshunter.io/developer/1126282324) | [成豪 董](https://appshunter.io/developer/1584985602) |

## 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


### 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 Resilio Sync free?

Resilio Sync 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, Resilio Sync or SynoSync?

SynoSync is rated higher. Resilio Sync averages 4.5 out of 5 from 844 ratings, while SynoSync averages 5.0 from 2 ratings.

### Do Resilio Sync or SynoSync have ads?

Resilio Sync shows ads; SynoSync does not.

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

Resilio Sync ships an update every 3 months, and SynoSync every 4 days. Most recently, Resilio Sync was updated on September 20, 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.*