Comparison

Jellyfish Heaven vs Stack Pals

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

Head to head
About

Jellyfish Heaven

Experience the serene beauty of realistic jellyfish on your device. Choose from multiple species, control their numbers, and interact with them. Enjoy calming visuals and sounds to relax anytime, anywhere.

Highlights
  • Realistic jellyfish simulation
  • 6 species to choose from
  • Adjustable jellyfish count
  • Interactive jellyfish (color change)
  • Apple Watch compatibility
  • Set as wallpaper
  • Share images
Features
Read full description

Jellyfish Heaven brings super realistic jellyfishes to life right in your hand — and now on your wrist with Apple Watch. (:3)彡 (:3)彡 (:3)彡 Too busy for the aquarium? Can't sleep? Just drift away with the jellies. 6 species to vibe with Moon, Spotted, Diamond, Red, Flower Hat, and Sea Nettle jellyfish — each beautifully animated. Make it yours - Tap a jellyfish to change its color - Tap with two fingers to shift the light - Control how many jellies fill your screen - Set a dreamy screenshot as your wallpaper - Play your favorite music in the background (PRO) Share the calm Save stunning screenshots and share them anywhere — Instagram, X, and beyond. Just relax and enjoy... (:3)彡 (:3)彡 (:3)彡 Sound effects: TAM Music Factory BGM: Rengoku Teien

About

Stack Pals

A charming tower-building game where players tap to drop blocks, aiming for perfect alignment to stack higher and earn rewards. Collect adorable pals, unlock new themes, and compete on global leaderboards for the ultimate stacking challenge.

Highlights
  • Tap to drop blocks
  • Perfect alignment bonuses
  • Collect and play with cute pals
  • Global leaderboards
  • Unlock themes and environments
  • Enter Fever Mode for rewards
Read full description

The Cutest Tower Building Game. Build Higher. Earn Upgrades. Collect Pals. Welcome to Stack Pals — the ultimate tower building game where adorable pals cheer you on as you test your skill, timing, and focus. How to Play • Tap to drop each block • Line up perfectly for bonuses • Stack higher without missing Every block matters! The more precise you are, the taller your tower grows. Features •Collect and play with cute pals like cats, giraffes, and more •Compete on global leaderboards •Unlock fun themes and environments as you progress •Enter Fever Mode for extra rewards when your timing is perfect Easy to pick up, impossible to put down — Stack Pals is the perfect game for quick sessions or endless runs. Whether you’re chasing the top of the leaderboard or just stacking with your favorite pal, it’s fun for everyone. Ready to stack higher than ever?

Screenshots

Jellyfish Heaven4 screens
Stack Pals4 screens

Verdict

The call

The clearest difference is rating: Stack Pals at 5.0 against Jellyfish Heaven's 4.2. Stack Pals also leads on update cadence (every 9 days vs every 3 months) and review sentiment (100% vs 71%). Jellyfish Heaven's advantage is ratings volume (422 vs 4) and iOS requirement (11.0 vs 14.0). 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. Jellyfish Heaven sells 8 one-off in-app purchases and Stack Pals sells 7 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Stack Pals holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Jellyfish Heaven has 422 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 71% of Jellyfish Heaven's written reviews are positive against 100% of Stack Pals's.

UpkeepUpdate frequency

Jellyfish Heaven ships an update every 3 months, Stack Pals every 9 days. The most recent releases landed on October 18, 2026 and October 10, 2026 respectively.

Scorecard5 real differences · 5 level
Jellyfish Heaven versus Stack Pals: the parameters behind the verdict, then further details
ParameterJellyfish HeavenStack Pals
PriceFreeFree
Rating4.2 (422 ratings)5.0 (4 ratings) — better
Positive reviews71.0% of reviews100.0% of reviews — better
Number of ratings422 — better4
Update frequencyEvery 3 monthsEvery 9 days — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPod, Apple TV, Apple Watch — betteriPhone, iPad, iPod
Requires iOS11.0 — better14.0
Further details — not scored
Size66 MB227 MB
Age rating4+17+
DeveloperDaichi SasakiPillowBit Games

Customer experience

Jellyfish Heaven

All ratings422 ratings
Positive77.7%
Neutral8.3%
Negative14.0%
Written reviews193 reviews
Positive71.0%
Neutral8.3%
Negative20.7%

Stack Pals

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Jellyfish Heaven

Reported bugs

3 issues
  • App crashes or freezes on certain devices
  • Purchased features not working as expected
  • Jellyfish disappearing from the screen

Requested features

4 requests
  • Add a sleep timer feature
  • Allow customization of background music
  • Expand the variety of free jellyfish options
  • Improve full-screen support on tablets

Stack Pals

Not enough reviews yet to summarise bugs or requests.

In-app purchases

8 purchases

Jellyfish Heaven

One-time8
  • Remove ad$0.99
  • Diamond Jellyfish and Ad removal$0.99
  • Octopus Jellyfish and Ad removal$0.99
Show 5 more
  • Red Jellyfish$0.99
  • Flower Hat Jelly$0.99
  • Upgrade to max 16 jellyfishes + landscape mode$3.99
  • PRO Upgrade$4.99
  • A lunch for developer$4.99
7 purchases

Stack Pals

One-time7
  • Tiny Gold Pack$0.99
  • Small Gold Pack$4.99
  • Ad Skip$5.99
Show 4 more
  • Starter Pack$6.99
  • Medium Gold Pack$9.99
  • Large Gold Pack$19.99
  • Huge Gold Pack$49.99

Questions

Is Jellyfish Heaven free?
Jellyfish Heaven is free to download, with in-app purchases available.
Is Stack Pals free?
Stack Pals is free to download, with in-app purchases available.
Which has better reviews, Jellyfish Heaven or Stack Pals?
Stack Pals is rated higher. Jellyfish Heaven averages 4.2 out of 5 from 422 ratings, while Stack Pals averages 5.0 from 4 ratings.
Do Jellyfish Heaven or Stack Pals have ads?
Both Jellyfish Heaven and Stack Pals show ads.
Which is updated more often, Jellyfish Heaven or Stack Pals?
Jellyfish Heaven ships an update every 3 months, and Stack Pals every 9 days. Most recently, Jellyfish Heaven was updated on October 18, 2026 and Stack Pals on October 10, 2026.

Other comparisons