while we take care of your subscription management.
Mobile
SDK by Qonversion.
vs. average for the Games category, $, by region
Build, analyze, and grow in-app subscriptions
This is very fun game. But there is no way to get rid of ads. And you have to watch a 30 sec ad to use certain cards and after each game. It gets to be too much ads for how short a game is. If you could pay to disable ads that would be better and more people would do it.
"ZERO21 CARD GAME Zero21 Card Game is a number games with solitaire card. It is fun, relax but helps to train your brain. ***HOW TO PLAY*** The game rule is simple: Try to stay between 0 and 21. - Collect the number card on the board - Choose the right one to keep the sum lower than 21 and greater than 0 - Use the power up cards to help you solve this math game ***FEATURES*** - PICK YOUR STYLE: Many unique stylish card collections for your choice to play to keep things fresh everyday. - AMAZE IN EVERY LEVEL: Diversity card layouts at each level let the game more interesting. - FINISH DAILY CHALLENGE to unlock new card collections. - Golden card keeps your current number at the golden one. - See the next number with forseen card. - Hold button help to keep the card for the next move. - Remove the unused card with Delete button. You should not miss this mathgame because it is TOTALLY FREE and help you BE SMARTER everyday!