Comparison

Blackjack by MobilityWare+ vs Zen Koi Pro+

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

Head to head
About

Blackjack by MobilityWare+

Master the classic card game of 21. Learn the rules, challenge the dealer, and build your chip stack to climb the ranks. Unlock new travel destinations as you progress through levels.

Highlights
  • Unlimited play with free chips
  • Rank progression system
  • Unlockable travel tables
  • Learn and master the game
  • Challenge the dealer
Features
Read full description

Blackjack by MobilityWare+ is now on Apple Arcade! Experience the thrill of 21 – a popular card game for all players! New to Blackjack? Learn and master the game! Challenge the dealer, build skills, and aim for High Roller status. Enjoy unlimited play with free chips! How to Play • Easy and fun: Beat the dealer in Blackjack by getting closer to 21 without going over. • Bet, receive 2 cards, and aim for the perfect hand—picture cards worth 10, Aces 1 or 11. Hit wisely, and enjoy the game! Features • Unlimited play with free chips • Build your chips to move up in ranking: Novice --> High Roller • Level up to unlock new travel tables such as London, Singapore, Macao, Paris, Barcelona, and many more DISCLAIMER • The games do not offer "real money gambling" or an opportunity to win real money or prizes. • Practice or success at social casino gaming does not imply future success at "real money gambling." For answers to frequently asked questions, head over to http://www.mobilityware.com/support.php LIKE US on Facebook http://www.facebook.com/mobilitywaresolitaire For the latest, check out http://www.MobilityWare.com/

About

Zen Koi Pro+

This premium, single-player game offers a serene escape with mesmerizing koi breeding and collection. Enjoy tranquil gameplay, enchanting music, and a visually stunning experience without ads or in-app purchases. Perfect for relaxation and mindful breaks.

Highlights
  • Over 50 unique koi patterns to collect
  • Rare and shiny koi and dragon designs
  • Offline play functionality
  • Seamless cloud saving
  • Ad-free and hassle-free experience
  • Instant gratification with quick egg hatching
Features
Read full description

Dive into Tranquility: Unveiling the Beauty of Zen Koi Pro+ Unwind and embark on a mesmerizing journey with Zen Koi Pro+, a premium, single-player game experience crafted for ultimate relaxation. Inspired by the captivating Asian myth of a koi fish transforming into a dragon, Zen Koi Pro+ offers a serene escape, brimming with enchanting music and tranquil gameplay. Immerse yourself in a world of captivating koi: Over 50 Breathtaking Koi Patterns to Collect: Discover a delightful array of over 50 unique koi patterns, each boasting vibrant colors and captivating designs. As you progress, watch your collection grow as you encounter new koi. Witness the Rare and Shiny: Brace yourself for the awe-inspiring sight of the rarest koi and majestic dragons. Zen Koi Pro+ elevates the visual experience with a stunning new metallic sheen, making these magnificent creatures truly super-SHINY! Enjoy the soothing flow of the Koi as it swims gracefully through a calm pond. Uninterrupted Zen Experience: Play Anywhere, Anytime: Leave your worries behind and enjoy offline play. Zen Koi Pro+ allows you to delve into the world of koi anytime, anywhere, without the need for an internet connection (available after initial download). Seamless Cloud Saving: Never lose your progress again. Zen Koi Pro+ seamlessly backs up your game data to the cloud whenever an internet connection is available, ensuring your precious collection remains safe and sound. Frictionless Fun: Experience the joy of instant gratification! Eggs hatch in a flash, and with 50 unlocked koi slots, building your collection becomes a breeze. Ad-Free and Hassle-Free: Focus solely on the serenity of the game. Zen Koi Pro+ is entirely free of advertisements and in-app purchases, allowing you to immerse yourself in a truly uninterrupted zen experience. Zen Koi Pro+ is the Perfect Choice for: Stress Relief Seekers: Escape the daily grind and find solace in the calming environment cultivated by Zen Koi Pro+. The enchanting music and tranquil gameplay create a space for relaxation and mindfulness. Completionist Gamers: Embark on a captivating quest to collect all 50+ koi patterns. The thrill of discovery and the satisfaction of completing your collection provide a rewarding and engaging experience. Casual Gamers: Dive into short and relaxing gameplay sessions whenever you have a spare moment. Zen Koi Pro+ is perfect for unwinding after a long day or enjoying a mindful break. Family friendly fun: Zen Koi Pro+ is a peaceful mobile game that is suitable for the whole family. Beyond Relaxation: The Deeper Meaning of Zen Koi Pro+ Zen Koi Pro+ offers more than just a relaxing escape. It's a game steeped in symbolism and cultural significance. The koi, a revered creature in Asian cultures, represents perseverance, good fortune, and longevity. As you collect and nurture your koi, you're not just building a collection, you're embodying these positive values. Download Zen Koi Pro+ today and embark on a journey of tranquility! By downloading this game, you agree to our Terms of Service and Privacy Policy. Terms of Service: http://www.landsharkgames.com/terms-of-service/ Privacy Policy: http://www.landsharkgames.com/privacy-policy/ Rated 3+ by the Indonesia Game Rating System (IGRS).

Screenshots

Blackjack by MobilityWare+4 screens
Zen Koi Pro+4 screens

Verdict

The call

Blackjack by MobilityWare+ and Zen Koi Pro+ both sit at 4.7 stars, but that hides the real split: 77% of Zen Koi Pro+'s written reviews are positive against 34% of Blackjack by MobilityWare+'s. On price, rating, ratings volume and update cadence 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

On the App Store both sit at effectively the same score — 4.7 for Blackjack by MobilityWare+ against 4.8 for Zen Koi Pro+. Both are backed by a comparable volume of ratings — 8.4K and 4.8K respectively. Written reviews are what separate them: 34% of Blackjack by MobilityWare+'s written reviews are positive against 77% of Zen Koi Pro+'s.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on September 26, 2026 and September 27, 2026 respectively.

Scorecard1 real difference · 9 level
Blackjack by MobilityWare+ versus Zen Koi Pro+: the parameters behind the verdict, then further details
ParameterBlackjack by MobilityWare+Zen Koi Pro+
PriceFreeFree
Rating4.7 (8.4K ratings)4.8 (4.8K ratings) — better
Positive reviews34.4% of reviews76.5% of reviews — better
Number of ratings8.4K — better4.8K
Update frequencyMonthlyMonthly
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.013.0
Further details — not scored
Size115 MB132 MB
Age rating17+4+
DeveloperMobilityWareLandShark Games Pte. Ltd.

Customer experience

Blackjack by MobilityWare+

All ratings8,377 ratings
Positive93.2%
Neutral3.8%
Negative3.0%
Written reviews215 reviews
Positive34.4%
Neutral15.3%
Negative50.2%

Zen Koi Pro+

All ratings4,834 ratings
Positive94.1%
Neutral3.7%
Negative2.1%
Written reviews162 reviews
Positive76.5%
Neutral11.1%
Negative12.3%

User reviews

Blackjack by MobilityWare+

From 8.4K App Store ratings

What we love

  • 🚀 Fun gameplay
  • 👍 Good for learning blackjack
  • 🚀 Smooth transitions and quick gameplay

Room to improve

  • 🤖 Dealer advantage and rigged odds
  • 🎲 Unrealistic dealer hands
  • 🎰 Game feels like a casino rather than a fair blackjack experience
  • 💰 Progression and balance issues

Zen Koi Pro+

From 4.8K App Store ratings

What we love

  • 💤 Relaxing and calming experience
  • 🎨 Beautiful artwork and visuals
  • 🎶 Soothing music
  • 🕹️ Fun and engaging gameplay
  • 🔓 No ads or in-app purchases

Room to improve

  • 🔁 Repetitive and can become boring over time
  • 🗂️ Lack of organization for koi collection
  • 🐉 Limited use for dragons after unlocking them
  • 🕹️ Clunky or unresponsive controls at times

Bugs and requests

Blackjack by MobilityWare+

Reported bugs

2 issues
  • Progress and balance not saving properly
  • Inconsistent card distribution and shuffling

Requested features

5 requests
  • Add more blackjack rule variations
  • Include insurance option
  • Add multiplayer functionality
  • Improve transparency around odds and mechanics
  • Provide an option to disable animations for faster gameplay

Zen Koi Pro+

Reported bugs

2 issues
  • Game not loading or crashing after extended play
  • Progress not syncing across devices

Requested features

5 requests
  • Ability to sort and filter koi collection
  • More varied environments or levels
  • Expanded functionality for dragons
  • Landscape mode support
  • Ability to play as a dragon

In-app purchases

None

Blackjack by MobilityWare+

No in-app purchases

None

Zen Koi Pro+

No in-app purchases

Questions

Is Blackjack by MobilityWare+ free?
Blackjack by MobilityWare+ is free to download, with no in-app purchases.
Is Zen Koi Pro+ free?
Zen Koi Pro+ is free to download, with no in-app purchases.
Which has better reviews, Blackjack by MobilityWare+ or Zen Koi Pro+?
Zen Koi Pro+ is rated higher. Blackjack by MobilityWare+ averages 4.7 out of 5 from 8.4K ratings, while Zen Koi Pro+ averages 4.8 from 4.8K ratings.
Do Blackjack by MobilityWare+ or Zen Koi Pro+ have ads?
Neither Blackjack by MobilityWare+ nor Zen Koi Pro+ shows ads.
Which is updated more often, Blackjack by MobilityWare+ or Zen Koi Pro+?
Blackjack by MobilityWare+ ships an update monthly, and Zen Koi Pro+ monthly. Most recently, Blackjack by MobilityWare+ was updated on September 26, 2026 and Zen Koi Pro+ on September 27, 2026.

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