# Synology MailPlus vs SynoSync

The clearest difference is review sentiment: SynoSync at 100% against Synology MailPlus's 43%. SynoSync also leads on rating (5.0 vs 3.8) and update cadence (every 4 days vs every 4 months). Synology MailPlus's advantage is in-app purchases (none vs 1) and ratings volume (19 vs 2). On price, ads, monetization model and device support there is nothing between them.

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

SynoSync holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: Synology MailPlus has 19 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 43% of Synology MailPlus's written reviews are positive against 100% of SynoSync's.

Synology MailPlus ships an update every 4 months, SynoSync every 4 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Synology MailPlus | SynoSync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (19 ratings)](https://appshunter.io/ios/app/synology-mailplus/id967913737/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/synosync/id6762731663/reviews)** |
| Number of ratings | **19** | 2 |
| Positive reviews | 42.5% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 days** |
| Monetization | Free | Free |
| Size | 100 MB | 20 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Synology Inc.](https://appshunter.io/developer/321493109) | [成豪 董](https://appshunter.io/developer/1584985602) |

## What reviewers say

### Synology MailPlus

[App page](https://appshunter.io/ios/app/synology-mailplus/id967913737)

Manage your emails efficiently on mobile with intuitive swipe gestures and quick-reply templates. Organize messages, attach files, and search with advanced features. Requires a Synology NAS and MailPlus server.

**Highlights:** Swipe gestures for quick actions, Quick-reply templates, Compose and attach files, Create mailboxes and labels, Advanced search, Offline cache for attachments, Customizable unread badge

**Features:** Vision Pro support

**In-app purchases:** none


### 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 Synology MailPlus free?

Synology MailPlus 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, Synology MailPlus or SynoSync?

SynoSync is rated higher. Synology MailPlus averages 3.8 out of 5 from 19 ratings, while SynoSync averages 5.0 from 2 ratings.

### Do Synology MailPlus or SynoSync have ads?

Neither Synology MailPlus nor SynoSync shows ads.

### Which is updated more often, Synology MailPlus or SynoSync?

Synology MailPlus ships an update every 4 months, and SynoSync every 4 days. Most recently, Synology MailPlus was updated on October 24, 2026 and SynoSync on October 25, 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.*