# SynoSync vs KLink AI

The clearest difference is in-app purchases: KLink AI at none against SynoSync's 1. KLink AI also leads on update cadence (every 2 days vs every 4 days). On price, ads, device support and iOS requirement there is nothing between them.

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

SynoSync ships an update every 4 days, KLink AI every 2 days. The most recent releases landed on October 10, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | SynoSync | KLink AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/synosync/id6762731663/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 2 days** |
| Monetization | Free | — |
| Size | 20 MB | 141 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [成豪 董](https://appshunter.io/developer/1584985602) | [型银 王](https://appshunter.io/developer/6778631257) |

## What reviewers say

### 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 |


### KLink AI

[App page](https://appshunter.io/ios/app/klink-ai-agents-and-ai-chat/id6781585419)

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

**In-app purchases:** none


## Frequently asked questions

### Is SynoSync free?

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

### Is KLink AI free?

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

### Do SynoSync or KLink AI have ads?

Neither SynoSync nor KLink AI shows ads.

### Which is updated more often, SynoSync or KLink AI?

SynoSync ships an update every 4 days, and KLink AI every 2 days. Most recently, SynoSync was updated on October 10, 2026 and KLink AI on September 26, 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.*