Email.cz vs Synology MailPlus
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Email.cz
Manage all your email accounts from one place with this app. Access your folders, search old messages, and send emails even when offline. It adapts to your device's dark or light mode and offers enhanced security.
- Unified inbox for multiple accounts
- Offline email access and sending
- Quick search for older messages
- Dark/Light mode adaptation
- Enhanced security features
- Folder management
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Your mailbox will be everywhere with you thanks to new version of Email.cz app from Seznam.cz. All your folders with messages will be right at your fingertips. Older messages are quickly accessible with search functionality. You can easily swap between your mailboxes if you have connected more than one account. Application adapts to the Dark/Light mode setting of your device. You can arrange your emails in offline mode and your messages will be sent when you have access to internet connection. App security enhancements.
Synology MailPlus
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.
- 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
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**You must own a Synology NAS to run this app, and be running the MailPlus to get the complete set of features** Composing emails or replying to messages on mobile devices can be a hassle. With the intuitive design of MailPlus, you can accomplish more with less effort. Organize your emails right in the palm of your hand. The swipe gestures allow you to quickly apply desired actions to your emails. Quick-reply templates save repeated keystrokes and make your reply even more efficient. With MailPlus, managing emails is only a few taps or swipes away. With MailPlus for iPhone/iPad, you can: -Compose an email and enrich the content with built-in emoticons -Attach files on your mobile device to the message -Create mailboxes and labels -Customize swipe gestures -Use quick-reply templates to reply to emails efficiently -Share browser content with your friends via MailPlus -Customize the unread email badge to only show notifications for certain labels and mailboxes -Find emails efficiently with advanced search -Offline cache stores previously viewed attachments and images for you to browse later even without Internet connection -Supports HTTPS for secure connection -All features are available with DSM 6.0 and MailPlus 1.2.0 running on Synology DiskStation
Screenshots
Verdict
The clearest difference is rating: Email.cz at 4.6 against Synology MailPlus's 3.8. Email.cz also leads on update cadence (monthly vs every 4 months) and ratings volume (58 vs 19). Synology MailPlus's advantage is review sentiment (43% vs 13%). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Email.cz holds the better App Store score, 4.6 against 3.8. Both are backed by a comparable volume of ratings — 58 and 19 respectively. Written reviews complicate that: 13% of Email.cz's written reviews are positive against 43% of Synology MailPlus's, so the app with the better star average is not the one people write more warmly about.
Email.cz ships an update monthly, Synology MailPlus every 4 months. The most recent releases landed on October 17, 2026 and October 20, 2026 respectively.
| Parameter | Email.cz | Synology MailPlus |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (58 ratings) — better | 3.8 (19 ratings) |
| Positive reviews | 13.1% of reviews | 42.5% of reviews — better |
| Number of ratings | 58 — better | 19 |
| Update frequency | Monthly — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 27 MB | 100 MB |
| Age rating | 4+ | 4+ |
| Developer | Seznam.cz a.s. | Synology Inc. |
Customer experience
Email.cz
Synology MailPlus
In-app purchases
Email.cz
No in-app purchases
Synology MailPlus
No in-app purchases









