# Bubbles Numbers Match vs Sky Stack

The clearest difference is ads: Bubbles Numbers Match at none against Sky Stack's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Bubbles Numbers Match ships an update every 4 days, Sky Stack every 3 days. Both last shipped on October 3, 2026.

## The numbers

| Metric | Bubbles Numbers Match | Sky Stack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 days | **Every 3 days** |
| Size | 2 MB | 104 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Riccardo Cecchini](https://appshunter.io/developer/1646372677) | [Mehmet Resat Senel](https://appshunter.io/developer/1867533935) |

## What reviewers say

### Bubbles Numbers Match

[App page](https://appshunter.io/ios/app/bubbles-numbers-match/id6738685604)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sky Stack

[App page](https://appshunter.io/ios/app/sky-stack-tower-builder/id6761363764)

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

**In-app purchases:** none


## Frequently asked questions

### Is Bubbles Numbers Match free?

Bubbles Numbers Match is free to download, with no in-app purchases.

### Is Sky Stack free?

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

### Do Bubbles Numbers Match or Sky Stack have ads?

Sky Stack shows ads; Bubbles Numbers Match does not.

### Which is updated more often, Bubbles Numbers Match or Sky Stack?

Bubbles Numbers Match ships an update every 4 days, and Sky Stack every 3 days. Most recently, Bubbles Numbers Match was updated on October 3, 2026 and Sky Stack on October 3, 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.*