# Synology MailPlus vs eM Client

The clearest difference is update cadence: eM Client at every 10 days against Synology MailPlus's every 4 months. eM Client also leads on iOS requirement (15.0 vs 17.0). On price, rating, review sentiment and ratings volume 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 — 3.8 for Synology MailPlus against 3.7 for eM Client. Both are backed by a comparable volume of ratings — 19 and 48 respectively. Written reviews are what separate them: 43% of Synology MailPlus's written reviews are positive against 48% of eM Client's.

Synology MailPlus ships an update every 4 months, eM Client every 10 days. Both last shipped on October 15, 2026.

## The numbers

| Metric | Synology MailPlus | eM Client |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (19 ratings)](https://appshunter.io/ios/app/synology-mailplus/id967913737/reviews)** | [3.7 (48 ratings)](https://appshunter.io/ios/app/em-client/id1561166404/reviews) |
| Number of ratings | 19 | **48** |
| Positive reviews | 42.5% of reviews | **48.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 10 days** |
| Monetization | Free | Free |
| Size | 100 MB | 178 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Synology Inc.](https://appshunter.io/developer/321493109) | [eM Client](https://appshunter.io/developer/1561166526) |

## 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


### eM Client

[App page](https://appshunter.io/ios/app/em-client/id1561166404)

This app unifies email, calendar, tasks, contacts, and notes into a single, AI-enhanced platform. It offers advanced features typically found on desktop, including instant message translation and robust encryption, for seamless management of multiple accounts on your iPhone and iPad.

**Highlights:** AI-enhanced email drafting and replies, Unified inbox for email, calendar, tasks, contacts, and notes, Instant message translation, PGP and S/MIME encryption, Quick import from desktop app, Mail-tracking pixel detection, Snooze and Undo Send features

**In-app purchases:** none

**What reviewers like**

- 🚀 Reliable and customizable
- 🔒 Great privacy and security features
- 👍 Clean and intuitive interface
- 🚀 Smooth and fast performance
- 👍 Seamless sync between desktop and mobile

**What reviewers complain about**

- 🐛 Slow email sync and loading issues
- 🐛 Unreliable push notifications and badge counts
- 🐛 Inconsistent behavior compared to other email apps
- 🐛 Bugs and glitches, especially in the initial release
- 🔋 High battery consumption

**Reported bugs**

- Emails not sending immediately
- Drafts not visible or editable
- Inconsistent behavior when switching between folders
- Trouble signing in to multiple Google accounts

**Requested features**

- Calendar integration
- Improved background refresh and sync
- Custom notification sounds
- Ability to sort emails by sender
- More customization options


## Frequently asked questions

### Is Synology MailPlus free?

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

### Is eM Client free?

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

### Which has better reviews, Synology MailPlus or eM Client?

Synology MailPlus is rated higher. Synology MailPlus averages 3.8 out of 5 from 19 ratings, while eM Client averages 3.7 from 48 ratings.

### Do Synology MailPlus or eM Client have ads?

Neither Synology MailPlus nor eM Client shows ads.

### Which is updated more often, Synology MailPlus or eM Client?

Synology MailPlus ships an update every 4 months, and eM Client every 10 days. Most recently, Synology MailPlus was updated on October 15, 2026 and eM Client on October 15, 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.*