21 is made and published by EnterGameStudio. AppBrain is an independent app data site and isn't affiliated with EnterGameStudio. The app name, icon, screenshots and description belong to EnterGameStudio and are shown as published on Google Play.
AppBrain's verdict
Niche- Installs
- 1.5 thousand
- Last updated
- March 8, 2026
- Ads
- No ads
- Size
- 113.5 MB
21 is a niche app, with 1.5 thousand installs. It doesn't have enough ratings yet to judge what users think.
User feedback
Ratings and reviews on Google PlayComments on 21 for Android
Store listing
By EnterGameStudio, from Google Play“Deadly blackjack where two players fight for survival at the table.”
Description by EnterGameStudio Written by the developer, not by AppBrain. Click to read.
Players take turns drawing cards, trying to reach a total as close to 21 as possible without going over. When both players end their turn, the hidden cards are revealed and the winner of the round is determined.
The player who loses receives a punishment depending on the game mode.
The game continues until one of the players dies.
Recent changes:
21 is a tense survival card game based on the rules of blackjack. Two players are trapped at a table and forced to play against each other. The winner survives, while the loser receives a deadly punishment.
Safety and technology
Found in the app by AppBrain- Ads
- No ads
- Price
- Free
- Libraries
- ?
- App size
- 113.5 MB
- Content rating
- Medium
Technologies used by 21
Releases
Updates seen on Google Play- Version
- 1.0.0
- Launched
- March 2026
Alternatives
Similar apps and more from EnterGameStudioAlternatives to 21
More from EnterGameStudio
Installs
Tracked by AppBrain- Last 30 days
- 780
- Per day
- 26
- 30-day average
- Play install range
- 1+ thousand
- Launched
- March 2026
Installs over time
21 has been installed 1.5 thousand times. Over the past 30 days, it averaged 26 installs per day.
Rankings
Google Play top chartsGoogle Play Rankings for 21
About the app and developer
About 21
21 is an action app developed by EnterGameStudio.
Install Statistics
21 has been installed 1.5 thousand times. In the last 30 days, the app was installed 780 times.
User Ratings
The app has no ratings yet.
App Information
21 is freely available from Google Play. The app size is 113.46 MB. The latest version available is 1.0.0. The last update was on March 8, 2026.
Technical Requirements
The app has a content rating of Medium Maturity. The app has been available on Google Play since March 2026.
App Performance Report
Get a detailed PDF report for 21 with download trends, rating history, and key performance statistics — useful for competitive research or tracking your own app. Learn more
Get PDF Report — $29Developer information for EnterGameStudio
Frequently asked questions about 21
Is 21 free?
Yes. 21 is free on Google Play.
Is 21 still available?
Yes. 21 is on Google Play, and the last update we saw was on March 8, 2026.
Does 21 contain ads?
No. Google Play does not list 21 as containing ads.
How large is 21?
21 is 113.46 MB.
Is 21 suitable for children?
Google Play gives 21 a medium maturity rating, so it is not meant for young children.
How many times has 21 been installed?
Google Play lists 1,000+ installs for 21.
Who made 21?
21 was developed by EnterGameStudio. It is listed in the action category on Google Play.
What are the best alternatives to 21?
People looking at 21 also look at these action apps: Blackjack 21 Pro - Offline Cas, BlackJack by Murka: 21 Classic, Blackjack 21 Online Game, Blackjack, Advanced 21 Blackjack.