TOEFL Preparation

SolarDev · tttrung43.wordpress.com.englishstudy

3.3 out of 5 (3 ratings) 6.5K downloads v3.5.6 22.2 MB Android 7.0+ PEGI 3 · Everyone

Download APK 22.2 MB All versions

Same certificate as v3.5.5.8, which matches Google Play Details

Watch the TOEFL Preparation trailer on YouTube

At a glance

Latest version: v3.5.6 (129)
Updated: Sep 29, 2025 (1 year ago)
APK size: 22.2 MB
Requires: Android 7.0+ (API 24)
CPU support: Any (no native code)
Category: Books & Reference (app)
Listed since: Aug 15, 2019 (at least)
Permissions: 11 (1 sensitive)
Website: english-study-9aa57.firebaseapp.com
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

TOEFL Preparation is an app by SolarDev in the Books & Reference category, listed since at least August 2019. It has no native code, so it runs on any Android processor.

Since version 3.5.3.8, the minimum Android version rose from 4.4 to 7.0. It asks for 11 permissions, 1 of them sensitive: display over other apps. It asks for the same permissions as version 3.5.5.8. The app can read the advertising ID that ad and analytics services use.

What's new in v3.5.6

- Add news and vocabulary - Update notification center - Add Flashcard for word study - Improve stability of English Study

Description

From the listing uploaded by “catappult”.

English Study can help you learning english effectively. Through this app you can: - Look up words with dictionary English English, English Vietnamese, English Indonesia - Test your knowledge about english with many levels: A,B,C, TOEFL, TOEIC - Reading comprehension - Look up irregular verb - Learning grammar - Improve your listening skills with Streamline English - Learning your own words with Word Study - Support quick translate, just copy a word and app will translate it for you Hope this app will helpful with you.

Version history

9 versions are listed, going back to v3.5.3.8. Since v3.5.6 it requires Android 7.0+.

v3.5.6 LATEST Sep 29, 2025 22.2 MB TRUSTED v3.5.5.8 Sep 29, 2025 22.5 MB TRUSTED v3.5.5.5 Sep 29, 2025 22.3 MB TRUSTED v3.5.5.3 Sep 29, 2025 22.2 MB TRUSTED v3.5.5.2 Sep 29, 2025 22.2 MB TRUSTED

All 9 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Certificate issued to “Tran Thanh Trung” This is the certificate of the Google Play version.
Same certificate as v3.5.5.8, which matches Google Play v3.5.5.8 · v3.5.5.5

Store checks and file details

Developer signature verified Sep 29, 2025
Signed byCN=Tran Thanh Trung
Signing certificate (SHA-1)58:B0:B0:AE:D2:E4:5D:94:BA:A9:CC:A5:34:22:07:3F:C8:54:C6:57
File MD59f07aa2d73f0866269af815f10eacfc8
Uploaded by “catappult” Platinum tier · 1,377 followers · uploading since 2018

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 (11)

TOEFL Preparation requests 11 permissions, 1 of them sensitive.

Display over other apps Sensitive android.permission.SYSTEM_ALERT_WINDOW
Advertising ID com.google.android.gms.permission.AD_ID
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) tttrung43.wordpress.com.englishstudy.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

Portrait screen android.hardware.screen.portrait

TOEFL Preparation APK: questions and answers

Is there a version of TOEFL Preparation for older Android phones?

The current version needs Android 7.0 or later. Version 3.5.5.8 is the newest listed build that installs on Android 4.4 and later. Get version 3.5.5.8 · 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 the TOEFL Preparation APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. It is signed with the same certificate as version 3.5.5.8, whose signature matches the Google Play version. After downloading, check that the file's MD5 is 9f07aa2d73f0866269af815f10eacfc8.