# Jellyfish Tap vs STACK

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.

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.

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.

## The numbers

| Metric | Jellyfish Tap | STACK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (463 ratings)](https://appshunter.io/ios/app/jellyfish-tap-watch-game/id1479294307/reviews)** | — |
| Number of ratings | **463** | — |
| Positive reviews | 59.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 25 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tocapp Games S.L.](https://appshunter.io/developer/1382683382) | [Jonathan Rycx](https://appshunter.io/developer/6776471796) |

## What reviewers say

### Jellyfish Tap

[App page](https://appshunter.io/ios/app/jellyfish-tap-watch-game/id1479294307)

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:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads and Unlock All | $1.99 | one-time |

**What reviewers like**

- ✨ Fun and enjoyable gameplay
- 🎨 Beautiful pastel graphics
- 🦑 Customizable jellyfish characters
- 👍 Addictive and engaging
- 🎮 Easy to play on phone

**What reviewers complain about**

- 🔥 Extremely difficult on Apple Watch
- 🤏 Small gaps in obstacles
- 👎 Unresponsive touch on watch
- 🔁 Repetitive gameplay without end
- ⚖️ Game is too easy for some

**Reported bugs**

- Game closes on launch on Apple Watch SE
- Gaps become impossibly small

**Requested features**

- 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

[App page](https://appshunter.io/ios/app/stack-tower-builder/id6796613603)

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 250 Gems | $0.99 | one-time |
| 700 Gems | $2.99 | one-time |
| 1,500 Gems | $5.99 | one-time |
| Full Game | $7.99 | one-time |
| 3,500 Gems | $9.99 | one-time |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*