Comparison

Jellyfish Tap vs STACK

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

Head to head
About

Jellyfish Tap

Tap to make a jellyfish jump and navigate through a colorful world. Compete for high scores on the Apple Watch leaderboard by linking your devices and following a simple submission process.

Highlights
  • Tap to jump
  • Beautiful colors
  • Jellyfish character
  • Apple Watch score submission
  • Global ranking
Features
Read full description

Simple. Beautiful Colors. A Jellyfish. Let's Tap & Jump! To submit the Apple Watch score to the ranking: 1- The iPhone and Apple Watch must be linked 2- Apple Watch must be within range of the iPhone. 3- Play with the Apple Watch and before sending the score, open the game application on the iPhone. When you press send from Apple Watch, a screen with the score ready to send to the leaderboard will appear on the iPhone. You can already know who have the best score from the Apple Watch!

About

STACK

Read full description

How high can you build? STACK: Tower Builder is a minimalist one-tap arcade game about timing, precision, and the irresistible pull of one more run. TAP TO STACK A block moves above your tower. Tap to drop it. Any overhang is sliced away, making the next placement smaller and every decision sharper. CHASE THE PERFECT DROP Center a block to keep your full platform and build a perfect streak. Stay calm as the tower rises and the margin for error disappears. UNLOCK YOUR STYLE Earn gems as you play, complete 18 awards, and unlock colorful tower skins. Track your best score, perfect drops, play time, and more. PLAY YOUR WAY Continue a run with an optional rewarded ad, or unlock the Full Game to remove ads, open every skin, and receive a premium continue. FEATURES • Simple one-tap controls • Endless precision-based gameplay • Colorful 3D visuals and haptic feedback • Six tower skins to collect • 18 awards with gem rewards • Detailed personal statistics • Portrait play designed for one hand • No account required One block. One tap. One more chance to build higher.

Screenshots

Jellyfish Tap4 screens
STACK4 screens

Verdict

The call

The clearest difference is update cadence: STACK at every 2 weeks against Jellyfish Tap's every 3 months. Jellyfish Tap's advantage is device support (4 vs 2). On price, ads, in-app purchases 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. Jellyfish Tap sells 1 one-off in-app purchase and STACK sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Jellyfish Tap ships an update every 3 months, STACK every 2 weeks. The most recent releases landed on October 11, 2026 and October 15, 2026 respectively.

Scorecard2 real differences · 8 level
Jellyfish Tap versus STACK: the parameters behind the verdict, then further details
ParameterJellyfish TapSTACK
PriceFreeFree
Rating4.4 (463 ratings) — better—
Positive reviews59.1% of reviews—
Number of ratings463 — better—
Update frequencyEvery 3 monthsEvery 2 weeks — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size6 MB25 MB
Age rating4+4+
DeveloperTocapp Games S.L.Jonathan Rycx

Bugs and requests

Jellyfish Tap

Reported bugs

2 issues
  • Game closes on launch on Apple Watch SE
  • Gaps become impossibly small

Requested features

4 requests
  • Make game easier on Apple Watch
  • Increase gap size or decrease jump height
  • Add a completion or end to the game
  • Improve touch responsiveness on Apple Watch

STACK

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Jellyfish Tap

One-time1
  • No Ads and Unlock All$1.99
5 purchases

STACK

One-time5
  • 250 Gems$0.99
  • 700 Gems$2.99
  • 1,500 Gems$5.99
Show 2 more
  • Full Game$7.99
  • 3,500 Gems$9.99

Questions

Is Jellyfish Tap free?
Jellyfish Tap is free to download, with in-app purchases available.
Is STACK free?
STACK is free to download, with in-app purchases available.
Do Jellyfish Tap or STACK have ads?
Both Jellyfish Tap and STACK show ads.
Which is updated more often, Jellyfish Tap or STACK?
Jellyfish Tap ships an update every 3 months, and STACK every 2 weeks. Most recently, Jellyfish Tap was updated on October 11, 2026 and STACK on October 15, 2026.

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