AppBrain
AppBrain
  • Apps
  • Apps being viewed right now Trending apps today Most popular apps All-time most installed apps Top rated apps iPhone and iPad apps
  • Intelligence ▾
    Intelligence overview → Track any Android app or your whole market
    Track & analyze
    Keyword Tracker & OptimizerTrack & improve Play rankings App Performance ReportOne-off PDF for any app StatisticsFree Android & Play market stats
    Promote your app
    Featured Apps App Links
  • Intelligence
  • Pricing
  • Dashboard
  • Sign up
  • Log in
Android Apps > Tools > GT99Nub
AppBrain rates this app as risky. It belongs to "GT99", a network of apps published in bulk from many new developer accounts, and 99% of those have already been removed from Google Play. AppBrain tracks 312 apps like this from 55 developers. See more information about "GT99" apps.
GT99Nub icon

GT99Nub

by Mk56 · Tools · Free
No longer on Google Play

GT99Nub was made and published by Mk56. AppBrain is an independent app data site and isn't affiliated with Mk56. The app name, icon and description belong to Mk56 and are shown as last published on Google Play.

AppBrain's verdict

Removed
Installs
2.8 thousand
Last updated
January 1, 2026
Ads
No ads
Size
7.31 MB

GT99Nub is no longer on Google Play. It was there for 11 days, until January 2026. It was a niche app, with 2.8 thousand installs. It had too few ratings to say what users thought.

User feedback

Ratings and reviews on Google Play

Comments on GT99Nub for Android

We don't have enough comments to show example comments. Please check back later.

Store listing

By Mk56, from Google Play
This app is currently not available on Google Play.

Similar apps

Reaction Time & Reflex Games icon Reaction Time & Reflex Games
Jan Augustyniak
4.5
Free
100,000+
NeuroDash: Reaction Time Test icon NeuroDash: Reaction Time Test
Дмитро Леухін
4.9
Free
10,000+
Abc Tap Test icon Abc Tap Test
Lime Light Studio
4.2
Free
10,000+
Reaction Time Test: ReflexLab icon Reaction Time Test: ReflexLab
RogueWave Labs
4.8
Free
1,000+
Reaction Time icon Reaction Time
Hackman
4.5
Free
50,000+
Thunder Reflex: Tap Speed icon Thunder Reflex: Tap Speed
Thunder Soft Labs
4.5
Free
1,000+
Aim Trainer For FPS : SuperAim icon Aim Trainer For FPS : SuperAim
Vionix Studio
3.7
Free
50,000+
FFX PANel Headshot Settings icon FFX PANel Headshot Settings
Hardik Developer
3.7
Free
100,000+

“Get a precise millisecond score and track your improvement.”

Screenshots of this removed app
We kept the screenshots from before it was removed. Subscribe to see them.
Description by Mk56 Written by the developer, not by AppBrain. Click to read.
Test your visual reaction speed. Wait for the signal, then tap immediately. Get a precise millisecond score and track your improvement.

Safety and technology

Found in the app by AppBrain
Ads
No ads
Price
Free
Libraries
?
App size
7.31 MB
Content rating
Everyone

Technologies used by GT99Nub

6 permissions
Subscribe to see full permission and library details

Releases

Updates seen on Google Play
Version
1.0.1
Launched
January 2026
  • Jan 12, 2026Unpublished
  • Jan 1, 2026New AppVersion 1.0.1 in TOOLS for Free
Show all changes Show fewer

Installs

Tracked by AppBrain
Play install range
1+ thousand
Launched
January 2026

Installs over time

The year before it was removed from Google Play, up to January 2026

GT99Nub was installed 2.8 thousand times before it was removed.

About the app and developer

About GT99Nub

GT99Nub was a tools app developed by Mk56. It was removed from Google Play Jan 12, 2026.

Install Statistics

GT99Nub had been downloaded 2.8 thousand times before it became unavailable.

User Ratings

The app had no ratings.

App Information

GT99Nub was free. The APK size was 7.31 MB. The last available APK version was 1.0.1. The last update was on January 1, 2026.

Technical Requirements

The app had a content rating of Everyone. The app had been available on Google Play since January 2026.

App Performance Report

Get a detailed PDF report for GT99Nub with download trends, rating history, and key performance statistics — useful for competitive research or tracking your own app. Learn more

Get PDF Report — $29

Developer information for Mk56

Mk56

Legal name:

Address:

Frequently asked questions about GT99Nub

Is GT99Nub free?

Yes. GT99Nub was free on Google Play.

Is GT99Nub still available?

No. GT99Nub was removed from Google Play. We last saw it there Jan 12, 2026.

Does GT99Nub contain ads?

No. Google Play did not list GT99Nub as containing ads.

How large is GT99Nub?

GT99Nub is 7.31 MB.

Is GT99Nub suitable for children?

Google Play rates the content of GT99Nub as suitable for everyone.

How many times has GT99Nub been installed?

Google Play listed 1,000+ installs for GT99Nub.

Who made GT99Nub?

GT99Nub was developed by Mk56. It was listed in the tools category on Google Play.

What are the best alternatives to GT99Nub?

People looking at GT99Nub also look at these tools apps: Reaction Time & Reflex Games, NeuroDash: Reaction Time Test, Abc Tap Test, Reaction Time Test: ReflexLab, Reaction Time.

Share GT99Nub

Popular Tools Apps Apps other people are watching Top new apps Today's trending apps Price drops on Google Play
Reaction Time & Reflex Games icon Reaction Time & Reflex Games
NeuroDash: Reaction Time Test icon NeuroDash: Reaction Time Test
Abc Tap Test icon Abc Tap Test
Reaction Time Test: ReflexLab icon Reaction Time Test: ReflexLab
Reaction Time icon Reaction Time
Thunder Reflex: Tap Speed icon Thunder Reflex: Tap Speed
Aim Trainer For FPS : SuperAim icon Aim Trainer For FPS : SuperAim
FFX PANel Headshot Settings icon FFX PANel Headshot Settings
AppBrain Intelligence premium content

Subscribe now to get full and unlimited access to AppBrain Intelligence. You'll have access to:

  • App Intelligence dashboard (performance timeline, competitor comparison, country rankings, insight cards)
  • Detailed ranking data per app
  • Full timeline per developer
  • Device market shares data per country
  • Unlimited keyword tracking
1 Month

$75/mo
(billed every month)

SAVE 0%
Subscribe
3 Months

$65/mo
($195 billed every 3 months)

SAVE 13%
Subscribe
1 Year

$57.50/mo
($690 billed every year)

SAVE 23%
Subscribe
Each subscription will automatically renew 3 days before the expiration date for the same time period. Subscriptions can be cancelled at any time before the renewal.

AppBrain is an app data site, we track rankings, ratings, installs for all apps and games on Google Play and the App Store. AppBrain doesn't host app files or APKs, all install links go directly to the official store. All trademarks are owned by their respective owners.

More apps

  • Top Android apps being viewed
  • Chimi World: Story Universe
  • Bolla Rewards
  • HoneyToon: Read Premium Comics

App statistics

  • Android statistics
  • Google Play Developer stats
  • Trending Android Apps
  • Trending iOS apps
  • Top popular Apps
  • Buy the best Android phone
  • Buy & sell app businesses

About AppBrain

  • Contact
  • Privacy
  • Documentation
  • DMCA takedowns
  • Blog
  • The best curated Android app categories
© 2010-2026 - AppBrain