Today, let’s take a look at Zero 21, a game app that’s supposed to earn you money by playing. But does it really? Let’s see in this Zero 21 app review.
Most likely, you’ve never heard of this app before. The only time that you’ll know about this is if it comes up as an advertisement, usually on mobile.
And it’s not so surprising. Usually, these kinds of apps are known for their aggressive marketing behavior.
They usually display pop-up ads with bright colors, flashy graphics, and other eye candy.
But the most striking thing about their promotional campaign is…
They claim that you can earn a lot of money while playing their app. Given the current state of the world today, some people will surely grab this so-called opportunity.
After all, who can refuse an extra income opportunity?
Zero 21 is an Android casual game that lets you earn money via PayPal or Amazon. And all you have to do is to play the game as much as you can.
This system might be exciting for most people, because of its simplicity and high payout. But the real question is…
Is this app legitimate? Can apps like Zero 21 let you make money just by playing?
Or is this just another scam that’s meant to only waste your time, and even internet data?
Before you go ahead and download this, please read this Zero 21 app review first. See if it’s worth investing your time and effort into.
And while you’re here reading this Zero 21 app review, why don’t you check out my #1 recommendation to making money online after reviewing 300+ online apps and courses.
Zero 21: Full Details
- Name: Zero 21
- Developer: Money Wang
- Availability: Worldwide
- Price: Free (no purchase required)
- App Icon:
How Does Zero 21 Play?
At its core, Zero 21 is a card solitaire game, much like other gaming cash apps like Solitaire Kings.
However, it plays a little different than the usual Solitaire we know. Instead, it plays more like Blackjack.

The objective of Zero 21 is to eliminate all the cards shown on the “board” while keeping your score at least below 21.
To do that, you tap on the card and it will get added or subtracted from your current score. This depends on the card type you clicked on.
- Blue-colored cards will SUBTRACT your score count. (Beneficial)
- Red-colored cards will ADD to your score count. (Harmful)
You win and complete the current level if you emptied all the cards on the board while keeping your score below 21. You’ll lose (and restart the current level) if anytime during the current level, your score goes to 21 or higher.
There are also 3 special cards that can provide different special effects to your current score.
- MIN cards immediately reduce your current score to zero.
- MAX cards set your score value to 20, the maximum amount allowable without you losing the game.
- The card with two arrows facing each other is similar to the MAX card, but instead of setting your score to 20, it sets your score to 10 (regardless of its former value).
How Can You Earn Money From Zero 21?
Zero 21 gives you several ways to earn money by just playing this game.
The first is through victories. By completing the levels, you will earn a “Victory Award”, where you’ll be asked to open up one of the four gift boxes shown on the screen.
Each box contains a certain value of money that’s going to be added to either your PayPal or your Amazon account.

However, after you’ve chosen your gift box, you have to watch a video advertisement first before your money gets added. These video ads are also unskippable, so you have to watch the whole thing before you can collect the rewards.
You can also collect PayPal or Amazon credits while playing. Some cards during the game have either the PayPal or Amazon logo in them.
Clicking on these cards gives you another bonus to either your Amazon account or your PayPal account.
Amazon

PayPal

Again, before collecting these bonuses, you are also “forced” to watch a video advertisement.
There’s also a small icon at the upper-right part of the screen that shows different prizes after a certain period of time. The prizes can range from gadgets, bags, and others.

You can supposedly claim the prizes after a certain number of days (as shown in the countdown). But personally, I still don’t know how it works.
How To Cash Out Your Rewards?
To “supposedly” cash out the rewards you get from playing this game, you simply tap on either the PayPal or the Amazon icon at the top.
This will take you to a screen where you can redeem them for real money.

As you can see, you first need to reach a specific milestone before you can redeem your money here. The minimum amount required is 1,000.
Before you have the option to redeem, the system Will ask first for your PayPal account.

Before this can be credited to your account, though, you need to do either two things.
- Wait for 11 hours for processing before your payout is credited to your account.
- Watch a total of 50 video advertisements in-game (or even 100) to “speed up” the process.

But as you’ll quickly find out, the game only tricks you to believe that you’re getting real money just by playing this game. But in reality, you won’t get a single cent from this (more on this later).
In fact, you’re much better off trying my recommendation on how you can make money online, which you can see below.
Zero 21: Gameplay Video
If you want to see how Zero 21 plays out, you can watch this gameplay video here.
Why Zero 21 Won’t Make You Any Money?
As I said before, Zero 21 won’t make you any money by playing. And here’s why.
Once you complete the required number of video ads to make your payout processing faster, you’ll get this…

Which is weird, right? It says clearly that the payment is successful, but at the same time, the banner will say it failed.
At first, you’ll think it’s just an error, and you may only need to contact customer support to resolve the problem. But it’s not really an error.
Zero 21 won’t really give you any money, at all. All the time you wasted watching video advertisements, only amounts to nothing.
The developers are “forcing” you to watch those ads because it’s the only way they can make money through that app.
It’s already a big sign that this app won’t pay you anything, just by looking at the payout milestones that you need to achieve.
Because let’s face it.
Would it seem really suspicious if a moneymaking system pays something that is much more than the salary amount of MOST workers? And all you have to do is to play a rather casual game, without even “grinding” for it?
Alternatives To Zero 21
At this point, you may be convinced already that playing Zero 21 is not worth your time.
But you may ask yourself. Is there still a way to make money online while you’re playing a game that you like?
Worry not. If you want to make money online by just playing…
Then you may want to try your hand at NFT games. They provide some level of gaming fun, all while you earn a decent income.
NFT games can also come in any gaming genre, so there’s always an NFT game that is suitable for your taste.
However, there are still some drawbacks when you’re going to want to play NFT games as a source of income online.
- NFT games are still based on cryptocurrency, which is a rather volatile investment. This means that the payout from these games can rapidly go up, or even drop dramatically, all on short notice. Therefore, invest only what you can afford to lose.
- If the NFT game that you want to join is already an established game, the barrier for joining these games can be very high, cost-wise. In cases like this, “scholarship programs” for these NFT games are available, where they’ll let you play the game without investing in anything. The condition, of course, is that you will split your earnings to the one that took you under their wing.
- NFT games are mostly competitive in nature, so prepare for a bit of legwork if you want to really earn from these games.
Plus, not all people find gaming their preference, so this may still not work for everyone.
*If you want to make money online, check out this logical business model that helped 6,000+ people*
Zero 21 Review: Final Thoughts
To close off this Zero 21 app review…
It’s easy to say that Zero 21 is just a big moneymaking scam. Just like Perfect 2048 and Tap Cash Tycoon Billionaire.

If you downloaded this app with the intention of making money from this, then I strongly suggest that you uninstall it right now.
This app isn’t going to earn you any money at all. You’re only going to waste your time (and internet data) in trying to make money from this.
However, if you download this just because you want a casual game to play, then go ahead. You’re free to do so.
Just don’t expect that you’re going to earn from this, at all.
If you’re asking me if I can suggest a good system that can help you earn money online, keep on reading beyond this Zero 21 app review…
Find A Great Money Opportunity, Right Here, Right Now
Since you’re already at this point in this Zero 21 app review, I’m going to introduce to you my #1 personal recommendation on how you can make money online.
And this opportunity is a good one, and it’s guaranteed to give you great results.
Before you think it’s just another scam, why don’t you try it for yourself? I guarantee you. This really works!
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So…
See you on the other side.