EteSync - Secure Data Sync
EteSync - Secure Data Sync is made and published by Tengu. AppBrain is an independent app data site and isn't affiliated with Tengu. The app name, icon, screenshots and description belong to Tengu and are shown as published on Google Play.
Downloads
Secure, private and end-to-end encrypted calendar, contacts and tasks sync
AppBrain's verdict
EstablishedWell rated- Rating on Google Play
- 4.34
- 414 ratings
- Installs
- 51 thousand
- Last updated
- October 18, 2025
- Ads
- No ads
- Size
- 11.2 MB
EteSync - Secure Data Sync has 51 thousand installs. Users rate it well: 4.3 stars from 414 ratings.
User feedback
Ratings and reviews on Google PlayComments on EteSync - Secure Data Sync for Android
Google Play Rating history and histogram
Store listing
By Tengu, from Google PlayDescription by Tengu Written by the developer, not by AppBrain. Click to read.
In order to use this application you need to have an account with EteSync (paid hosting), or run your own instance (free and open source). Check out https://www.etesync.com/ for more information.
Easy to Use
===========
EteSync is very easy to use. It seamlessly integrates with Android so you won't even notice you are using it. Security doesn't always have to come at a cost.
Secure & Open
============
Thanks to zero-knowledge end-to-end encryption, not even we can see your data. 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 an encrypted tamper-proof journal which means you can review, replay and revert any changes you have made at any point in time.
How does it work?
===============
EteSync integrates seamlessly with your existing apps. All you need to do is sign up (or run your own instance), install the app, and enter your password. After that, you will be able to save your contacts, calendar events and tasks to EteSync using your existing Android apps, and EteSync will transparently encrypt your data and update the change journal in the background. More security, same work-flow.
Safety and technology
Found in the app by AppBrain- Ads
- No ads
- Price
- Free
- Libraries
- 32
- App size
- 11.2 MB
- Needs Android
- 5.0+
- Content rating
- Everyone
Technologies used by EteSync - Secure Data Sync
Releases
Updates seen on Google Play- Version
- 2.6.0
- Launched
- February 2017
Alternatives
Similar apps and more from TenguAlternatives to EteSync - Secure Data Sync
Installs
Tracked by AppBrain- Last 30 days
- 820
- Per day
- 27
- 30-day average
- Play install range
- 50+ thousand
- Launched
- February 2017
Installs over time
EteSync - Secure Data Sync has been installed 51 thousand times. Over the past 30 days, it averaged 27 installs per day.
Rankings
Google Play top chartsGoogle Play Rankings for EteSync - Secure Data Sync
About the app and developer
About EteSync - Secure Data Sync
EteSync - Secure Data Sync is a tools app developed by Tengu.
Install Statistics
EteSync - Secure Data Sync has been installed 51 thousand times. In the last 30 days, the app was installed 820 times.
User Ratings
EteSync - Secure Data Sync is rated 4.34 out of 5 stars. The rating is based on 410 ratings.
App Information
EteSync - Secure Data Sync is freely available from Google Play. The app size is 11.21 MB. The latest version available is 2.6.0. The last update was on October 18, 2025.
Technical Requirements
EteSync - Secure Data Sync requires Android 5.0+ or higher. The app has a content rating of Everyone. The app has been available on Google Play since February 2017.
App Performance Report
Get a detailed PDF report for EteSync - Secure Data Sync with download trends, rating history, and key performance statistics — useful for competitive research or tracking your own app. Learn more
Get PDF Report — $29Developer information for Tengu
Frequently asked questions about EteSync - Secure Data Sync
Is EteSync - Secure Data Sync free?
Yes. EteSync - Secure Data Sync is free on Google Play.
Is EteSync - Secure Data Sync still available?
Yes. EteSync - Secure Data Sync is on Google Play, and the last update we saw was on October 18, 2025.
Does EteSync - Secure Data Sync contain ads?
No. Google Play does not list EteSync - Secure Data Sync as containing ads.
What Android version does EteSync - Secure Data Sync require?
EteSync - Secure Data Sync runs on Android 5.0 and higher.
How large is EteSync - Secure Data Sync?
EteSync - Secure Data Sync is 11.21 MB.
Is EteSync - Secure Data Sync suitable for children?
Google Play rates the content of EteSync - Secure Data Sync as suitable for everyone.
How many times has EteSync - Secure Data Sync been installed?
Google Play lists 50,000+ installs for EteSync - Secure Data Sync.
How do people rate EteSync - Secure Data Sync?
EteSync - Secure Data Sync scores 4.34 out of 5 stars, from 414 ratings on Google Play.
Who made EteSync - Secure Data Sync?
EteSync - Secure Data Sync was developed by Tengu. It is listed in the tools category on Google Play.
What are the best alternatives to EteSync - Secure Data Sync?
People looking at EteSync - Secure Data Sync also look at these tools apps: Tuta Calendar: Secure Planner, Ouisync Peer-to-Peer File Sync, SNote - Encrypted Notes, Files, Lockbook: Private Notes, Sync - Secure cloud storage.