# Bubble Link vs Sky Stack

The clearest difference is in-app purchases: Sky Stack at none against Bubble Link's 11. Sky Stack also leads on ads (none vs shown). Bubble Link's advantage is iOS requirement (13.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. Bubble Link sells 11 one-off in-app purchases. Sky Stack asks for nothing beyond the download.

## The numbers

| Metric | Bubble Link | Sky Stack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (5.6K ratings)](https://appshunter.io/ios/app/bubble-link-connect-and-match/id1645875054/reviews)** | — |
| Number of ratings | **5.6K** | — |
| Positive reviews | 65.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | — |
| Monetization | Free with in-app purchases | — |
| Size | 183 MB | 3 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ilyon Dynamics Ltd.](https://appshunter.io/developer/604044223) | [Moamen Basel](https://appshunter.io/developer/1672877876) |

## What reviewers say

### Bubble Link

[App page](https://appshunter.io/ios/app/bubble-link-connect-and-match/id1645875054)

Link colorful 3D bubbles to create chain blasts and clear the board in this addictive puzzle matching game. Solve hundreds of challenging levels, use powerful boosters, and complete missions to earn rewards. Play anytime, anywhere, online or offline.

**Highlights:** Link three or more adjacent bubbles to pop, Hundreds of puzzles, Powerful boosters, Complete missions and win rewards, Play online or offline, Relaxing puzzle gameplay

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mini Coins Pack | $1.99 | one-time |
| Endless Sale Offer # 1 | $2.99 | one-time |
| Beginner's Bundle | $4.99 | one-time |
| Endless Sale Offer # 2 | $4.99 | one-time |
| Endless Sale Offer # 3 | $7.99 | one-time |
| Small Coins Pack | $8.99 | one-time |
| Link Bundle | $9.99 | one-time |
| Medium Coins Pack | $13.99 | one-time |
| Super Bundle | $19.99 | one-time |
| Large Coins Pack | $27.99 | one-time |
| Mega Bundle | $39.99 | one-time |

**What reviewers like**

- 🚀 Addictive gameplay
- 👍 Challenging but fun
- 💡 Engaging brain training
- 🤩 Relaxing and calming

**What reviewers complain about**

- 🔍 Unclear level progression
- 🔍 Confusing game mechanics
- 🔍 Excessive ads
- 💰 Expensive in-app purchases
- 🐛 Freezing and crashing issues

**Reported bugs**

- Stuck on impossible levels
- Inconsistent game functions
- Incorrect color differentiation

**Requested features**

- Undo button
- Distinct color scheme for bubbles
- Zen mode without time pressure
- Progress tracking and leaderboards


### Sky Stack

[App page](https://appshunter.io/ios/app/sky-stack-tower-stacker/id6792422777)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Bubble Link free?

Bubble Link is free to download, with in-app purchases available.

### Is Sky Stack free?

Sky Stack is free to download, with no in-app purchases.

### Do Bubble Link or Sky Stack have ads?

Bubble Link shows ads; Sky Stack does not.

---

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