Green Line Vokabeltrainer

The vocabulary trainer for Klett Green Line - never forget vocabulary again!

Ernst Klett Verlag GmbH · de.klett.trainer.greenline

Not rated yet 100K+ downloads v6.0.37 83.8 MB Android 7.0+ PEGI 3 · Everyone

Download APK 83.8 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v6.0.37 (2707)
Updated: Oct 8, 2026 (today)
APK size: 83.8 MB
Requires: Android 7.0+ (API 24)
CPU support: x86 64-bit, ARM 32-bit, ARM 64-bit
Category: Education (app)
Listed since: Mar 12, 2021 (at least)
Permissions: 18 (3 sensitive)
Website: klett.de/greenline
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

Green Line Vokabeltrainer is an app by Ernst Klett Verlag GmbH in the Education category, listed since at least March 2021. It includes native code for x86 64-bit, ARM 32-bit and ARM 64-bit, so it runs on practically every phone.

Since version 6.0.33, the minimum Android version rose from 5.0 to 7.0. It asks for 18 permissions, 3 of them sensitive: record audio, read phone status and identity and Bluetooth connect. It asks for the same permissions as version 6.0.35. The app offers in-app purchases through Google Play.

What's new in v6.0.37

Wir haben ein paar Korrekturen und Verbesserungen vorgenommen. Anleitung und FAQs findest du unter https://de.pons.com/p/service-center/faq-vokabeltrainer

Description

From the listing uploaded by “appupdater”.

Are you learning English with Green Line from Klett? Then be sure to get the Green Line vocabulary trainer on your phone. With this app you can train your vocabulary anywhere - even completely offline. Thanks to its scientifically based 7-step model, you learn your vocabulary bit by bit and over a longer period of time until it is guaranteed to stick in your memory. The app uses an intelligent algorithm to automatically remind you when vocabulary is ready to be repeated. The training is clearly divided into the phases of memorizing, practicing and querying. Various exercises make learning varied and you always get feedback and tips from Lucky, the language-gifted parrot. There are also clear learning statistics so you can keep an eye on your performance. The Green Line vocabulary trainer is waiting for the vocabulary you really need. You can - create lessons for yourself - buy ready-made lessons* - Create study groups, share your vocabulary and practice together - Easily transfer your vocabulary from the PONS online dictionary - Statistics and rankings to measure yourself against others - Calendar mode for targeted preparation for vocabulary tests You will be asked to register in the app. This will give you a free user account with PONS, which offers you the following advantages: • The vocabulary and learning levels are saved in the PONS vocabulary cloud via data comparison. • You can train your Green Line vocabulary on any device and also with the PONS vocabulary trainer on your computer at home at trainer.pons.com * You can also purchase ready-made lessons for: Green Line (federal edition from 2021) Green Line Upper School (Edition from 2021) Green Line (federal edition from 2014) Green Line G9 (issue from 2015) Green Line G9 (version from 2019) Green Line Baden-Württemberg (issue from 2016) Green Line Bavaria (issue from 2017) Green Line (Edition 2nd foreign language from 2018)

Version history

3 versions are listed, going back to v6.0.33. Since v6.0.35 it requires Android 7.0+.

v6.0.37 LATEST Oct 8, 2026 83.8 MB TRUSTED v6.0.35 May 23, 2026 80.9 MB TRUSTED v6.0.33 Dec 28, 2025 42.3 MB TRUSTED

All 3 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Oct 8, 2026.
Certificate issued to “PONS 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 Oct 8, 2026
Validated against Google Play Oct 8, 2026
Signed byO=PONS GmbH, L=Stuttgart, ST=Baden-Württemberg, C=DE
Signing certificate (SHA-1)2A:08:19:B8:D2:71:77:14:40:AB:E1:78:A5:2B:02:98:2E:45:47:11
File MD589bb04e830c58529ad2909414d439c1e
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 (18)

Green Line Vokabeltrainer requests 18 permissions, 3 of them sensitive.

Bluetooth connect Sensitive android.permission.BLUETOOTH_CONNECT
Read phone status and identity Sensitive android.permission.READ_PHONE_STATE
Record audio (microphone) Sensitive android.permission.RECORD_AUDIO
Access adservices ad id android.permission.ACCESS_ADSERVICES_AD_ID
Access adservices attribution android.permission.ACCESS_ADSERVICES_ATTRIBUTION
Bluetooth android.permission.BLUETOOTH
Bluetooth admin android.permission.BLUETOOTH_ADMIN
Control vibration android.permission.VIBRATE
Full network access android.permission.INTERNET
Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
In-app purchases (Google Play Billing) com.android.vending.BILLING
Internal broadcast protection (app-defined) de.klett.trainer.greenline.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Prevent the device from sleeping android.permission.WAKE_LOCK
Receive push notifications com.google.android.c2dm.permission.RECEIVE
Run at startup android.permission.RECEIVE_BOOT_COMPLETED
Run foreground services android.permission.FOREGROUND_SERVICE
Show notifications android.permission.POST_NOTIFICATIONS
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Bluetooth android.hardware.bluetooth
Basic touch input android.hardware.faketouch
Microphone android.hardware.microphone
Portrait screen android.hardware.screen.portrait

Green Line Vokabeltrainer APK: questions and answers

Is there a version of Green Line Vokabeltrainer for older Android phones?

The current version needs Android 7.0 or later. Version 6.0.33 is the newest listed build that installs on Android 5.0 and later. Get version 6.0.33 · All versions

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 Green Line Vokabeltrainer free?

The APK is free to download, but the app offers in-app purchases through Google Play.

Is the Green Line Vokabeltrainer 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 89bb04e830c58529ad2909414d439c1e.