Comparison

Zone 21 vs Quick Solitaire

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Zone 21

A fast-paced card game where players aim to keep their card total between 0 and 21 to score points and win real-world rewards and cash prizes. Compete against others globally in timed multiplayer matches.

Highlights
  • Mathematical card game mechanics
  • Stay between 0 and 21
  • Win real cash prizes
  • Multiplayer challenges
  • Timed matches
  • Global leaderboards
Read full description

Welcome to Zone 21 - Fast Math Solitaire a brand new card game where you can win real-world rewards and cash prizes (where available)! Try to stay between 0 and 21. It's not easy and tries to keep the target number close to 21 to earn more points! It's a jackpot when you get exactly 21 and earn great bonus points. SOME KEY FEATURES: • Classic mathematical card game with some amazing twists! • Clear the cards from the table and stay between 0 and 21. • Ready for the challenge? Try to hit the target number 21 and get great bonuses. MULTIPLAYER FEATURES: • Play against friends and solitaire around the world! • Calculate cards as quickly as you can! You have 3 minutes to beat your opponent. • Win and show off your scores on the leaderboard! EARN PRIZES: • Challenge people from around the world • Put your skills to the test and compete to win cash prizes! • Cash rewards for top scorers (where allowed)! Challenge people around the world with Skillz, a competition platform complete with leaderboards, trophies, physical or virtual prizes, and an amazing loyalty program that rewards you for playing! If you have any questions or proposals for the game, we hope you contact us at support@ccbrothers.com If you have any questions about the Skillz system or cash tournaments please contact: support@skillz.com

About

Quick Solitaire

A fast-paced online puzzle card game designed to sharpen your mind and test your skills. Compete against real players for a chance to win real cash and prizes. Offers a variety of game modes and customization options.

Highlights
  • Win real cash and prizes
  • Fast-paced online gameplay
  • Brain training puzzle
  • Secure withdrawals via PayPal & Apple Pay
  • Customizable cards and boards
  • Daily challenges and bonuses
  • Unlimited undo and hints
Features
Read full description

So Fun! So Addicting! QuicSolitaire is a fast-spaced & online puzzle card game that train your brain and test your skills. Get your free entry-fee today and win 10000+ real cash now! Much better than the other solitaire games! You can earn real cash and real world prizes in fan-favourite casino games like Solitaire Cube, FreeCell Solitaire, Mahjong Cash! HOW TO PLAY The goal of Quick Solitaire is to arrange all of the cards. You need to move one of the highlighted cards into one of the blank spaces, until each of the cards have been arranged in sequential order from A to 6 in the same suit. TIPS HELP YOU WIN REAL CASH - Strategy is important! Although one card can fill a blank position, it needs to be greater in value and the same suit as the card found to its left. - If you get stuck, reshuffle the solitaire deck or undo. It is advised that you save the shuffle as long as possible. Quick Solitaire is part of our family of card games and puzzle games. We offer fair and fun cash game based on skillz without gambling. You can also make real money while enjoying thrilling gameplay such as spades, tripeaks, spider, blackout bingo and zero21. QUICK SOLITAIRE FEATURES: - Withdrawal via paypal & apple pay 100% securely - Tons of Cash bonus & real world rewards - Gorgeous design, customize your cards and boards - Single tap to place a card or drag and drop - Check in daily, lucktastic lottery & gifts & bonuses await - Ability to play future Daily Challenges! Spin the lucky win - Unlimited undo option and multiple moves hinting - Blitz against real player to bash for grand real prizes - No interference with fun games and online games scoring - Auto-save and resume features - A variety of fee games! Slots huge bonuses - Exclusive Themes and landscape - Track your Quick Solitaire statistics Solitaire like you’ve never played before! Try the newest Quick Solitaire cash game that's sure to get you addicted!

Screenshots

Zone 214 screens
Quick Solitaire4 screens

Verdict

The call

The clearest difference is rating: Zone 21 at 4.8 against Quick Solitaire's 4.2. Zone 21 also leads on update cadence (every 3 months vs every 9 months) and ratings volume (23 vs 6). Quick Solitaire's advantage is review sentiment (100% vs 83%). On price, ads, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Zone 21 holds the better App Store score, 4.8 against 4.2. Both are backed by a comparable volume of ratings — 23 and 6 respectively. Written reviews complicate that: 83% of Zone 21's written reviews are positive against 100% of Quick Solitaire's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Zone 21 ships an update every 3 months, Quick Solitaire every 9 months. The most recent releases landed on October 8, 2026 and October 12, 2026 respectively.

Scorecard4 real differences · 6 level
Zone 21 versus Quick Solitaire: the parameters behind the verdict, then further details
ParameterZone 21Quick Solitaire
PriceFreeFree
Rating4.8 (23 ratings) — better4.2 (6 ratings)
Positive reviews83.3% of reviews100.0% of reviews — better
Number of ratings23 — better6
Update frequencyEvery 3 months — betterEvery 9 months
AdsYesYes
In-app purchasesNoNo
MonetizationAd-supportedAd-supported
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.012.0
Further details — not scored
Size155 MB263 MB
Age rating17+17+
DeveloperCodeCube Brothers PartnershipLuckyo Limited

Customer experience

Zone 21

All ratings23 ratings
Positive95.7%
Neutral4.3%
Negative0.0%
Written reviews6 reviews
Positive83.3%
Neutral0.0%
Negative16.7%

Quick Solitaire

All ratings6 ratings
Positive83.3%
Neutral0.0%
Negative16.7%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Zone 21

No in-app purchases

None

Quick Solitaire

No in-app purchases

Questions

Is Zone 21 free?
Zone 21 is free to download, with no in-app purchases.
Is Quick Solitaire free?
Quick Solitaire is free to download, with no in-app purchases.
Which has better reviews, Zone 21 or Quick Solitaire?
Zone 21 is rated higher. Zone 21 averages 4.8 out of 5 from 23 ratings, while Quick Solitaire averages 4.2 from 6 ratings.
Do Zone 21 or Quick Solitaire have ads?
Both Zone 21 and Quick Solitaire show ads.
Which is updated more often, Zone 21 or Quick Solitaire?
Zone 21 ships an update every 3 months, and Quick Solitaire every 9 months. Most recently, Zone 21 was updated on October 8, 2026 and Quick Solitaire on October 12, 2026.

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