# Stack Flip 3D vs Sky Tower!

The clearest difference is in-app purchases: Sky Tower! at none against Stack Flip 3D's 1. Stack Flip 3D's advantage is ads (none vs shown) and iOS requirement (9.0 vs 11.0). On price and device support there is nothing between them.

Both are free to download. Stack Flip 3D sells 1 one-off in-app purchase. Sky Tower! asks for nothing beyond the download.

## The numbers

| Metric | Stack Flip 3D | Sky Tower! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sky-tower/id6478009782/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 days | — |
| Monetization | — | Ad-supported |
| Size | 37 MB | 199 MB |
| Requires iOS | **9.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IK SEONG PARK](https://appshunter.io/developer/488068869) | [Roman Palamarciuc](https://appshunter.io/developer/1637645271) |

## What reviewers say

### Stack Flip 3D

[App page](https://appshunter.io/ios/app/stack-flip-3d/id1511137853)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No ads | $2.99 | one-time |


### Sky Tower!

[App page](https://appshunter.io/ios/app/sky-tower/id6478009782)

Engage in a rapid tower defense battle to protect your domain. Deploy defensive structures, enhance their capabilities, and unleash potent attacks against relentless enemy forces. Prove your strategic prowess to overcome the invasion.

**Highlights:** Strategic tower placement, Fend off enemy waves, Upgrade towers, Unlock new abilities, Unleash special attacks

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Stack Flip 3D free?

Stack Flip 3D is free to download, with in-app purchases available.

### Is Sky Tower! free?

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

### Do Stack Flip 3D or Sky Tower! have ads?

Sky Tower! shows ads; Stack Flip 3D does not.

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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.*