EteSync - Secure Data Sync

2.6.0

Tengu

4.35

409 reviews

10,000+
Downloads

Free

Secure, private and end-to-end encrypted calendar, contacts and tasks sync

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4.35 · 409 reviews · 10,000+ downloads

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About EteSync - Secure Data Sync

EteSync - Secure Data Sync is a tools app developed by Tengu.

Download Statistics

EteSync - Secure Data Sync has been downloaded 49 thousand times. In the last 30 days, the app was downloaded 520 times.

User Ratings

EteSync - Secure Data Sync is rated 4.35 out of 5 stars. The rating is based on 410 ratings.

App Information

EteSync - Secure Data Sync is FREE to download. The APK download 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.

Description

Secure, end-to-end encrypted, and privacy respecting sync for your contacts, calendars, and tasks (using Tasks.org and OpenTasks). For notes, please use the EteSync Notes application.

More data about EteSync - Secure Data Sync

Price	Free to download
Total downloads	49 thousand
Recent downloads	520
Rating	4.35 based on 410 ratings
Ranking	Not ranked
Version	2.6.0
APK size	11.2 MB
Number of libraries	32
Designed for Android	5.0+
Suitable for	Everyone
Ads	NO ads

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Google Play Rating history and histogram

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Downloads over time

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EteSync - Secure Data Sync has been downloaded 49 thousand times. Over the past 30 days, it averaged 17 downloads per day.

Changelog of EteSync - Secure Data Sync

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Developer information for Tengu

Tengu

android@etesync.com

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Comments on EteSync - Secure Data Sync for Android

★★★★★ Ryan Sipes · Sep 29, 2020

EteSync is a great tool in an age of mass surveillance by both governments and corporations. It puts the power of privacy back in the hands of the user, whilst making it easy to manage contacts, calendars, and tasks through existing popular apps - but with an encrypted backend. All around an amazing app.

★★★★★ Mykola Grybyk · May 7, 2024

I love the app. It works like a charm. I'm using it as an alternative to google calendar and contacts. Dear developers, thank you so much. I wish you all the best, please keep the product running! Cheers!

★☆☆☆☆ Caballero Martinez · May 8, 2024

Broken. Successfully used it for the two free weeks. After that I subscribed and paid for a yearly plan, but my account continued to be inactive and unpaid for over a week? Contacted support via email, they say payment is still broken???? Had to move all my data back out of etesync, what a waste of time :(

★☆☆☆☆ Igor Cryptor · Dec 18, 2023

Their service is unavailable for more than 1 day already. It's impossible to login as well. Support does not respond

★★☆☆☆ Liam Randall · Aug 24, 2023

Rapid summary: service does not recognize non-mainstream (Google, Apple) calendars and contact books - won't sync. File-based syncing cannot be automated. Doesn't seem to be any data recovery functionality. How are you supposed to get your saved data on your recovery device?? App won't parse .ics files if they're too big. The app has long roads to get to being useful.

★★☆☆☆ Damian Królik · Dec 31, 2021

Maybe I just wasn't patient enough, but I just needed a simple app for notes sharing, and I couldn't make it work with EteSync Notes - e.g. I don't understand how collections in EteSync are related to task lists in EteSync Notes, but they are not in sync. Perhaps it is just my ignorance, but I expect a more intuitive workflow for such a simple job.

Google Play Rankings for EteSync - Secure Data Sync

This app is not ranked

Technologies used by EteSync - Secure Data Sync

17 permissions · 32 libraries

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Frequently asked questions about EteSync - Secure Data Sync

Is EteSync - Secure Data Sync free?

Yes. EteSync - Secure Data Sync is free to download from 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 the EteSync - Secure Data Sync APK?

The EteSync - Secure Data Sync APK 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 downloaded?

Google Play lists 10,000+ downloads for EteSync - Secure Data Sync.

How do people rate EteSync - Secure Data Sync?

EteSync - Secure Data Sync scores 4.35 out of 5 stars, from 409 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, BotherMe&U Reminder Messenger.

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