Tetra Aquatics

The entire world of aquatics in one single app!

Tetra GmbH · de.dieetagen.tetrawatertest

5.0 out of 5 (1 rating) 100K+ downloads v6.1.1 81.5 MB Android 6.0+ PEGI 3 · Everyone

Download APK 81.5 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v6.1.1 (206103)
Updated: Jun 30, 2026 (3 months ago)
APK size: 81.5 MB
Requires: Android 6.0+ (API 23)
CPU support: ARM 64-bit
Graphics: OpenGL ES 3.0+
Category: Lifestyle (app)
Listed since: Mar 14, 2021 (at least)
Permissions: 17 (3 sensitive)
Website: tetra.net
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

Tetra Aquatics is an app by Tetra GmbH in the Lifestyle category, listed since at least March 2021. It includes native code only for ARM 64-bit, so it won't install on phones that can only run 32-bit apps.

It asks for 17 permissions, 3 of them sensitive: camera, read shared storage and modify shared storage. It asks for the same permissions as version 6.1.0. The app can read the advertising ID that ad and analytics services use.

What's new in v6.1.1

Bug fixes and performance improvements.

Description

From the listing uploaded by “appupdater”.

The world of Aquatic products and solutions to make fishkeeping easy in one single app! Welcome to Tetra Aquatics; your go-to tool for maintaining your aquarium or garden pond. Discover the helpful features for water testing, finding the perfect aquarium with our augmented reality and never miss a filter change with our handy reminder service. YOUR WATER VALUES • Analysis of the most important water parameters • Save your measurement results in your personal test history • No additional colour scale necessary • Compatible with all tetra strips and liquid tests • Detailed diagnosis and recommended problem solving actions 3D AQUARIUMS • Project virtual aquariums directly into your living environment • Combine many different aquariums and base cabinets • Get detailed information about all aquariums and buy online FILTER ALERT • Never forget to change your filter cartridge again • Activate the timer with a touch and let e-mails remind you to change your filter cartridge EXPORT YOUR WATER VALUES • With the export function you can also save your water values locally.

Version history

3 versions are listed, going back to v6.0.3.

v6.1.1 LATEST Jun 30, 2026 81.5 MB TRUSTED v6.1.0 Jun 2, 2026 79.2 MB TRUSTED v6.0.3 Feb 22, 2026 78.8 MB TRUSTED

All 3 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Jun 30, 2026.
Certificate issued to “Die Etagen GmbH” This is the certificate of the Google Play version.
Same certificate as the 2 other versions checked

Store checks and file details

Developer signature verified Jun 30, 2026
Validated against Google Play Jun 30, 2026
Signed byCN=MIchael K?hne, O=Die Etagen GmbH
Signing certificate (SHA-1)A1:56:A6:98:95:B2:B5:A4:F1:2A:6C:E6:0C:05:FB:4E:53:92:F7:55
File MD5ccf58ae33edf0917265c5f1b7c4ea406
Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (2 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (17)

Tetra Aquatics requests 17 permissions, 3 of them sensitive.

Camera Sensitive android.permission.CAMERA
Modify shared storage Sensitive android.permission.WRITE_EXTERNAL_STORAGE
Read shared storage Sensitive android.permission.READ_EXTERNAL_STORAGE
Access adservices ad id android.permission.ACCESS_ADSERVICES_AD_ID
Access adservices attribution android.permission.ACCESS_ADSERVICES_ATTRIBUTION
Access adservices custom audience android.permission.ACCESS_ADSERVICES_CUSTOM_AUDIENCE
Access adservices topics android.permission.ACCESS_ADSERVICES_TOPICS
Advertising ID com.google.android.gms.permission.AD_ID
Flashlight android.permission.FLASHLIGHT
Full network access android.permission.INTERNET
Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
Internal broadcast protection (app-defined) de.dieetagen.tetrawatertest.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Prevent the device from sleeping android.permission.WAKE_LOCK
Push messaging (app-defined) de.dieetagen.tetrawatertest.permission.C2D_MESSAGE
Receive push notifications com.google.android.c2dm.permission.RECEIVE
Show notifications android.permission.POST_NOTIFICATIONS
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Portrait screen android.hardware.screen.portrait

Tetra Aquatics APK: questions and answers

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is the Tetra Aquatics APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the 2 other versions checked. After downloading, check that the file's MD5 is ccf58ae33edf0917265c5f1b7c4ea406.