Comparison

EteSync vs Nextcloud Calendar

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

Head to head
About

EteSync

Securely sync your contacts, calendars, and tasks across devices. This app provides a privacy-respecting synchronization solution with a full history of your data, allowing for restoration and access to past versions.

Highlights
  • Secure data synchronization
  • Contacts, calendars, and tasks sync
  • Privacy-respecting
  • Open-source client and server
  • Full data history and restore
  • Easy to use setup
Features
Read full description

EteSync is a secure and privacy respecting sync for contacts, calendars and tasks. With this application you can sync your EteSync data with your iOS device! In order to use this application you need to have an EteSync account, either on an existing server or your own (it's free and open source). Easy to Use =========== EteSync is very easy to use, you just put in your credentials and the app is ready to use. Secure & Open ============ EteSync is secure and respects your privacy. Don't believe us? You shouldn't, just verify yourself, both the client and server are open source. Full History ========= A full history of your data is saved in a change journal which means your data is never lost, even if deleted, and you can always restore, revert and access past versions of your data.

About

Nextcloud Calendar

Manage your Nextcloud calendars with a simple mobile app. View, create, and organize events with real-time synchronization across multiple instances. Supports creating meetings with video conference links.

Highlights
  • Automatic calendar detection
  • View, create, and manage events
  • Real-time synchronization
  • Multi-account support
  • Create meetings with video conference links
  • Switch between multiple Nextcloud instances
Read full description

Manage your Nextcloud calendars from a mobile app designed to keep things simple. Nextcloud Calendar automatically detects the calendars available on your instance and lets you easily view, create, and organize your events. Changes are synced in real time to keep your schedule up to date, whether you use one or multiple Nextcloud instances. Key features: • Automatic calendar detection • View, create, and manage events • Real-time synchronization • Multi-account support • Create meetings with video conference links via Nextcloud Talk Using multiple Nextcloud servers? Add your accounts and easily switch between instances. If Nextcloud Talk is enabled on your instance, you can generate a video conference link directly from the app and attach it to your event. Nextcloud Calendar is designed for users, teams, and organizations that want mobile access to their Nextcloud calendars through a clear, modern experience built for everyday use. A compatible Nextcloud instance is required. Some features may depend on your server configuration and the apps enabled by your administrator.

Screenshots

EteSync3 screens
Nextcloud Calendar4 screens

Verdict

The call

The clearest difference is review sentiment: Nextcloud Calendar at 100% against EteSync's 20%. Nextcloud Calendar also leads on rating (4.7 vs 3.0) and update cadence (every 2 weeks vs every 3 weeks). EteSync's advantage is ratings volume (20 vs 3) and iOS requirement (10.0 vs 16.4). 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

Nextcloud Calendar holds the better App Store score, 4.7 against 3.0. That said, the two scores are not equally well evidenced: EteSync has 20 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 20% of EteSync's written reviews are positive against 100% of Nextcloud Calendar's.

UpkeepUpdate frequency

EteSync ships an update every 3 weeks, Nextcloud Calendar every 2 weeks. The most recent releases landed on October 12, 2026 and October 8, 2026 respectively.

Scorecard5 real differences · 5 level
EteSync versus Nextcloud Calendar: the parameters behind the verdict, then further details
ParameterEteSyncNextcloud Calendar
PriceFreeFree
Rating3.0 (20 ratings)4.7 (3 ratings) — better
Positive reviews20.0% of reviews100.0% of reviews — better
Number of ratings20 — better3
Update frequencyEvery 3 weeksEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS10.0 — better16.4
Further details — not scored
Size45 MB52 MB
Age rating4+4+
DeveloperEteSync LtdSoluce Technologies

Customer experience

EteSync

All ratings20 ratings
Positive45.0%
Neutral10.0%
Negative45.0%
Written reviews15 reviews
Positive20.0%
Neutral13.3%
Negative66.7%

Nextcloud Calendar

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

EteSync

No in-app purchases

None

Nextcloud Calendar

No in-app purchases

Questions

Is EteSync free?
EteSync is free to download, with no in-app purchases.
Is Nextcloud Calendar free?
Nextcloud Calendar is free to download, with no in-app purchases.
Which has better reviews, EteSync or Nextcloud Calendar?
Nextcloud Calendar is rated higher. EteSync averages 3.0 out of 5 from 20 ratings, while Nextcloud Calendar averages 4.7 from 3 ratings.
Do EteSync or Nextcloud Calendar have ads?
Neither EteSync nor Nextcloud Calendar shows ads.
Which is updated more often, EteSync or Nextcloud Calendar?
EteSync ships an update every 3 weeks, and Nextcloud Calendar every 2 weeks. Most recently, EteSync was updated on October 12, 2026 and Nextcloud Calendar on October 8, 2026.

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