# Construct Up vs Sky Stack

The clearest difference is update cadence: Sky Stack at every 3 days against Construct Up's every 2 weeks. Construct Up's advantage is iOS requirement (12.0 vs 15.0). On price, ads, 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.

Construct Up ships an update every 2 weeks, Sky Stack every 3 days. Both last shipped on October 3, 2026.

## The numbers

| Metric | Construct Up | Sky Stack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (15 ratings)](https://appshunter.io/ios/app/construct-up/id1501756502/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Monetization | Ad-supported | — |
| Size | 14 MB | 104 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Lutfi Altin](https://appshunter.io/developer/1000433521) | [Mehmet Resat Senel](https://appshunter.io/developer/1867533935) |

## What reviewers say

### Construct Up

[App page](https://appshunter.io/ios/app/construct-up/id1501756502)

Build a balanced tower using sticks to reach a goal at the top. Tap to connect new sticks and increase height, but ensure stability to ascend.

**Highlights:** Tap to connect sticks, Build balanced towers, Reach the top goal, Physics-based gameplay, Simple controls

**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 Construct Up free?

Construct Up 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 Construct Up or Sky Stack have ads?

Both Construct Up and Sky Stack show ads.

### Which is updated more often, Construct Up or Sky Stack?

Construct Up ships an update every 2 weeks, and Sky Stack every 3 days. Most recently, Construct Up 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.*