Trivia: Knowledge Trainer Quiz app icon

Trivia: Knowledge Trainer Quiz

The quiz game for smart people. With high-quality and challenging questions.

the binary family · com.thebinaryfamily.knowledgetrainerfree

5.0 (1 rating) 1M+ downloads v5.1 82.1 MB Android 7.0+ PEGI 3 · Everyone

Download APK 82.1 MB All versions
  • Signature matches the Google Play version Details

At a glance

Latest version
v5.1 (105)
Updated
Apr 25, 2026 (5 months ago)
APK size
82.1 MB
Requires
Android 7.0+ (API 24)
CPU support
ARM 64-bit
Graphics
OpenGL ES 3.0+
Category
Trivia (game)
Listed since
Oct 22, 2022 (at least)
Permissions
15
Website
thebinaryfamily.com
Developer contact
[email protected]
Privacy
Developer's privacy policy

About this APK

Trivia: Knowledge Trainer Quiz is a game by the binary family in the Trivia category, listed since at least October 2022. 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 15 permissions, none of them sensitive. The game offers in-app purchases through Google Play and can read the advertising ID that ad and analytics services use.

What's new in v5.1

Knowledge Trainer just got a lot more global! We’ve expanded existing question pools and added 8 new languages: Portuguese, Spanish, Swedish, Turkish, Danish, Finnish, Norwegian, and Polish.

Description

From the listing uploaded by “appupdater”.

Sophisticated trivia game - exiting all along the line, Chip Sharpen your mind .. a perfect game, Happy Gamer In a nutshell: Simply great! Ifoneapps The smartest, most interesting trivia out there. It’s designed to stimulate your brain with over 5,000 high-quality, challenging, and informative questions. Each lesson tests your wits with 10 questions from 10 different categories. The difficulty level depends on you. Get an answer right and you'll move up a level. A wrong answer leads to an easier question. But you'll want to move up to improve your Knowledge Quotient, which is recalculated after every round. More features: • Over 5000 questions = fewer repeats • 5 difficulty levels, 10 categories • “Improve Knowledge” trains incorrectly answered questions • Explanations for every question • Useful statistics and options • American, British, Australian & international gameplay modes • Save game progress for 1-3 players Improve your general knowledge with regular training. You can review category-specific statistics as you go to see how you have progressed after each quiz round. Our promise: the smartest, most interesting trivia in the App Store. But don't take our word for it: check out the user reviews!

Security & authenticity

Security rating: Trusted

Signing certificate

  • Signature matches the Google Play version Checked by the source store on Apr 25, 2026.
  • Certificate issued to “Fuzzy Games Lab” This is the certificate of the Google Play version.

Store checks and file details

  • Developer signature verified Apr 25, 2026
  • Validated against Google Play Apr 25, 2026
  • Signed byCN=Oleg Andrushko, OU=Freelancer, O=Fuzzy Games Lab, L=Krasnoyarsk, ST=Russia, C=RU
  • Signing certificate (SHA-1)4E:1C:B4:B6:B9:BF:D7:9E:3F:59:E2:EF:9A:36:B4:AE:03:21:7E:16
  • File MD524ccdaf8ca3467b55453cb25f55c01d0
  • 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. AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (15)

Trivia: Knowledge Trainer Quiz requests 15 permissions, none of them sensitive.

Required hardware & features

Trivia: Knowledge Trainer Quiz 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 Trivia: Knowledge Trainer Quiz free?

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

Is the Trivia: Knowledge Trainer Quiz 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. After downloading, check that the file's MD5 is 24ccdaf8ca3467b55453cb25f55c01d0.

Tags

thebinaryfamily knowledgetrainerfree trivia knowledge trainer

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