Comparison

Zen Koi Classic vs PILLY BUGS

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

Head to head
About

Zen Koi Classic

Nurture and collect vibrant Koi fish in a serene underwater world. Watch them grow, evolve into majestic dragons, and discover hundreds of unique varieties. Share your collection with friends and enjoy a calming, visually stunning experience.

Highlights
  • Breed and collect hundreds of unique Koi varieties
  • Watch Koi evolve into majestic dragons
  • Soothing music and mesmerizing visuals
  • Intuitive single-touch controls
  • Share and gift Koi with friends
  • Limited edition rewards for collectors
Features
Read full description

Looking for a relaxing game? Dive into Tranquility: Unwind and Ascend with Zen Koi Classic (Free-to-Play) Embark on a captivating journey of transformation and serenity in Zen Koi Classic, the enchanting mobile game where you experience the vibrancy and breathtaking beauty of the graceful Koi. Immerse yourself in a calming atmosphere filled with soothing music and mesmerizing visuals as you nurture these magnificent fish, witnessing their growth and culminating metamorphosis into majestic dragons. Unwind and Ascend: A Timeless Tale Zen Koi Classic offers a unique experience that blends relaxation with strategic collection. Breed, collect and discover beautiful Koi: witness the captivating journey of your Koi as they evolve from tiny hatchlings into breathtaking creatures, each boasting unique colors and intricate patterns. Guide them through their life cycle, culminating in a stunning transformation that embodies the legend of the Koi's ascension into a dragon. Features: Free-to-Play: Enjoy the core gameplay experience without any purchase required. Soothing and Intuitive Gameplay: Immerse yourself in a world of tranquility with simple controls and a serene environment. Unique Flowing Action: Guide your Koi with a single touch, mimicking their graceful movements through the water. A Calming Oasis: Find peace in the beautiful aquatic environment, enhanced by soothing music and sound effects. Unveiling a Spectrum of Koi: Discover and collect hundreds of stunning Koi varieties, each boasting unique color combinations and patterns. Some rare specimens await the most dedicated collectors! Share Your Passion: Share and gift magnificent Koi you have bred and collected with friends and fellow players. Limited Edition Reward: Collect and complete all Koi and Dragon collections in Zen Koi Classic and claim unique decorations for your personal pond and aquarium in Zen Koi 2 as a special bonus! Unveiling the Depths of Zen Koi Classic: A Visual Symphony: Immerse yourself in an underwater world teeming with vibrant life with plenty of prey to catch. The Calming Symphony: Escape the daily grind with a serene soundtrack by Kiat from System Sovereign featuring gentle melodies and calming ambient sounds. Soundscapes are designed by IMBA to further enhance the sense of tranquility. The Emotional Connection: Witness the heartwarming growth and transformation of your Koi. Observe their vibrant colors and discover a progression of beautiful patterns, building a special bond with your pond companions. As they evolve into majestic dragons, experience a sense of accomplishment for nurturing them throughout their journey. Download Zen Koi Classic today and embark on a captivating odyssey of transformation and tranquility! Note: Zen Koi is free to download and play. However, optional items are available via In-App Purchase within the game to expand upon your gameplay experience. By downloading this game, you agree to our Terms of Service & Privacy Policy: http://www.landsharkgames.com/terms-of-service/ http://www.landsharkgames.com/privacy-policy/ Rated 3+ by the Indonesia Game Rating System (IGRS).

About

PILLY BUGS

Experience a miniature garden filled with curious pill bugs. Tap them to watch them curl up and then explore their environment. Enjoy different day and night modes, and choose your own music for a relaxing play session.

Highlights
  • Interactive pill bugs
  • Day and night modes
  • Customizable music
  • Offline play
  • No ads or purchases
Features
Read full description

A tiny garden. A handful of curious pill bugs. A little moment of play. PILLY BUGS brings a miniature garden to your screen, with chunky little isopods wandering among clover, flowers and pebbles. Tap a bug to watch it curl into a ball, then give it a moment to uncurl and carry on exploring. SUNNY DAYS, GLOWING NIGHTS Choose a warm daytime garden or switch to night mode for cool blue surroundings and glowing teal bugs. The mood changes while the simple touch play stays familiar. MAKE IT YOUR LITTLE GARDEN Choose your music from the home screen, tap PLAY, and spend some time with your tiny garden companions. SIMPLE PLAY, ON YOUR DEVICE PILLY BUGS works offline and does not require an account. There are no ads, in-app purchases or subscriptions. Made for little moments of curiosity and shared family play.

Screenshots

Zen Koi Classic4 screens
PILLY BUGS4 screens

Verdict

The call

The clearest difference is in-app purchases: PILLY BUGS at none against Zen Koi Classic's 10. PILLY BUGS also leads on ads (none vs shown) and update cadence (daily vs every 3 months). Zen Koi Classic's advantage is ratings volume (2.1K vs 1). On price, device support and iOS requirement 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. Zen Koi Classic sells 10 one-off in-app purchases. PILLY BUGS asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

PILLY BUGS holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Zen Koi Classic has 2.1K ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Zen Koi Classic ships an update every 3 months, PILLY BUGS daily. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

Scorecard6 real differences · 4 level
Zen Koi Classic versus PILLY BUGS: the parameters behind the verdict, then further details
ParameterZen Koi ClassicPILLY BUGS
PriceFreeFree
Rating4.7 (2.1K ratings)5.0 (1 ratings) — better
Positive reviews85.6% of reviews—
Number of ratings2.1K — better1
Update frequencyEvery 3 monthsDaily — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size128 MB93 MB
Age rating4+4+
DeveloperLandShark Games Pte. Ltd.BRYNSTAR

Bugs and requests

Zen Koi Classic

Reported bugs

3 issues
  • Koi and dragon progress lost after updates
  • Inconsistent koi movement and speed issues
  • Ads causing frequent crashes or freezes

Requested features

5 requests
  • Ability to play as or interact with dragons
  • More koi slots or alternative ways to expand pond
  • Easier ways to earn pearls without watching ads
  • Ability to name or customize koi and dragons
  • Zoom out feature to see full pond layout

PILLY BUGS

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

Zen Koi Classic

One-time10
  • Starter Pack$1.99
  • Small Handful of pearls$1.99
  • Handful of pearls$4.99
Show 7 more
  • Hasu Pack$4.99
  • Bag of pearls$9.99
  • Tenshi Pack$9.99
  • Splatto Pack$9.99
  • Yajiri Pack$9.99
  • Monkī Pack$19.99
  • Nami Pack$19.99
None

PILLY BUGS

No in-app purchases

Questions

Is Zen Koi Classic free?
Zen Koi Classic is free to download, with in-app purchases available.
Is PILLY BUGS free?
PILLY BUGS is free to download, with no in-app purchases.
Which has better reviews, Zen Koi Classic or PILLY BUGS?
PILLY BUGS is rated higher. Zen Koi Classic averages 4.7 out of 5 from 2.1K ratings, while PILLY BUGS averages 5.0 from 1 ratings.
Do Zen Koi Classic or PILLY BUGS have ads?
Zen Koi Classic shows ads; PILLY BUGS does not.
Which is updated more often, Zen Koi Classic or PILLY BUGS?
Zen Koi Classic ships an update every 3 months, and PILLY BUGS daily. Most recently, Zen Koi Classic was updated on October 24, 2026 and PILLY BUGS on October 22, 2026.

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