Comparison

Email.cz vs Synology MailPlus

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Unified inbox for multiple accounts
  • Offline email access and sending
  • Quick search for older messages
  • Dark/Light mode adaptation
  • Enhanced security features
  • Folder management
Features
Read full description

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.

About

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.

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
Read full description

**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

Email.cz4 screens
Synology MailPlus4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 6 level
Email.cz versus Synology MailPlus: the parameters behind the verdict, then further details
ParameterEmail.czSynology MailPlus
PriceFreeFree
Rating4.6 (58 ratings) — better3.8 (19 ratings)
Positive reviews13.1% of reviews42.5% of reviews — better
Number of ratings58 — better19
Update frequencyMonthly — betterEvery 4 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.017.0
Further details — not scored
Size27 MB100 MB
Age rating4+4+
DeveloperSeznam.cz a.s.Synology Inc.

Customer experience

Email.cz

All ratings58 ratings
Positive87.9%
Neutral5.2%
Negative6.9%
Written reviews99 reviews
Positive13.1%
Neutral14.1%
Negative72.7%

Synology MailPlus

All ratings19 ratings
Positive63.2%
Neutral21.1%
Negative15.8%
Written reviews80 reviews
Positive42.5%
Neutral25.0%
Negative32.5%

In-app purchases

None

Email.cz

No in-app purchases

None

Synology MailPlus

No in-app purchases

Questions

Is Email.cz free?
Email.cz is free to download, with no in-app purchases.
Is Synology MailPlus free?
Synology MailPlus is free to download, with no in-app purchases.
Which has better reviews, Email.cz or Synology MailPlus?
Email.cz is rated higher. Email.cz averages 4.6 out of 5 from 58 ratings, while Synology MailPlus averages 3.8 from 19 ratings.
Do Email.cz or Synology MailPlus have ads?
Neither Email.cz nor Synology MailPlus shows ads.
Which is updated more often, Email.cz or Synology MailPlus?
Email.cz ships an update monthly, and Synology MailPlus every 4 months. Most recently, Email.cz was updated on October 17, 2026 and Synology MailPlus on October 20, 2026.

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