TOPIK Locker app icon

TOPIK Locker

shotgun · com.shex.topiklocker

Not rated yet 275 downloads v2.1 1.7 MB Android 4.1+ PEGI 3 · Everyone

At a glance

Latest version
v2.1 (13)
Updated
Sep 3, 2025 (1 year ago)
APK size
1.7 MB
Requires
Android 4.1+ (API 16)
CPU support
Any (no native code)
Category
Education (app)
Listed since
Aug 14, 2019 (at least)
Permissions
5 (1 sensitive)
Developer contact
[email protected]
Privacy
Developer's privacy policy

About this APK

TOPIK Locker is an app by shotgun in the Education category, listed since at least August 2019. It has no native code, so it runs on any Android processor.

It asks for 5 permissions, 1 of them sensitive: modify shared storage.

What's new in v2.1

Updated libraries. Inserted Privacy Policy.

Description

From the listing uploaded by “catappult”.

Both a flash card and a quiz tool, TOPIK Locker is designed to help enthusiasts and beginners alike, learn and recognize the basic Korean characters through clever repetition and memorization of the 6,000 most commonly and frequently used Korean characters. The six thousand words are based on the official Korean word list as released by the National Institute of Korean Language (국립국어원), the South Korean government language regulatory body and is widely used as the foundation in preparation for the TOPIK exam (Test Of Proficiency In Korean). For this app, the 6,000 characters are separated to 6 distinct levels in order of increasing complexity. The app starts with only characters from level 1 whether for flashcard or quiz. As the user gain familiarity of the existing characters, the app will adjust the word list to gradually include characters from subsequent levels, i.e. one by one, from level 2 to level 6. The learning/relearning of new words are relayed via informative flashcards or directly tested depending on the user's preference. Character recognition is reinforced through repeated exposure and testing. The user's familiarity with the individual characters are assessed by the 'depth' of the character that defaults at 4. For every correct answer in the quiz, the depth of the character decreases whereas for every incorrect answer, the depth increases. Over time, for any character that the user manage to get to depth value of '0' and will be stored away in the 'Locker', thus giving way to new characters to arise, aiding digestion. TOPIK Locker is suitable for both beginners and advance enthusiast alike, acting like a personal trainer that remembers your familiarity and understanding of each and every word, word by word, step by step, help you make your way through the nearly 6,000 characters at your own pace.

Security & authenticity

Security rating: Trusted

Signing certificate

  • Certificate issued to “Loong SP” Not the developer's name (“shotgun”). Names in certificates can't be verified, so this alone proves nothing.

Store checks and file details

  • Developer signature verified Sep 3, 2025
  • Antivirus scan passed Sep 28, 2020
  • Signed byCN=Loong SP, L=Hong Kong, ST=Hong Kong
  • Signing certificate (SHA-1)E3:3A:BD:96:6B:A6:41:19:6D:6E:43:7A:F1:4B:EF:13:70:23:04:A7
  • File MD5f2a5bc9b5276d3b52773f12c036f20b7
  • 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. AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (5)

TOPIK Locker requests 5 permissions, 1 of them sensitive.

Required hardware & features

TOPIK Locker APK: questions and answers

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

Only if it is signed with the same certificate as the copy on your phone and isn't an older version. If Android says “App not installed”, the certificates differ; uninstalling your copy first works but deletes its data unless it is backed up.

Is the TOPIK Locker APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. After downloading, check that the file's MD5 is f2a5bc9b5276d3b52773f12c036f20b7.

Tags

More Education apps