# Empty. vs SkyHighStack

The clearest difference is update cadence: SkyHighStack at daily against Empty.'s monthly. Empty.'s advantage is iOS requirement (12.0 vs 14.0). 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.

Empty. ships an update monthly, SkyHighStack daily. The most recent releases landed on October 22, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Empty. | SkyHighStack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (2.6K ratings)](https://appshunter.io/ios/app/empty/id1191062782/reviews)** | — |
| Number of ratings | **2.6K** | — |
| Positive reviews | 93.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Daily** |
| Monetization | Free | — |
| Size | 88 MB | 5 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Maksym Dzitsiuk](https://appshunter.io/developer/1191062781) | [Penn Curtis](https://appshunter.io/developer/1772733523) |

## What reviewers say

### Empty.

[App page](https://appshunter.io/ios/app/empty/id1191062782)

A relaxing puzzle game designed to help you unwind and appreciate simplicity. Rotate rooms to clear them using intuitive one-touch controls. Enjoy a peaceful experience with a beautiful soundtrack and over 25 handcrafted levels.

**Highlights:** Unique room rotation puzzles, One-touch controls, No ads or paid content, Accessible for all ages, 25+ handcrafted levels, Original soundtrack

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

**In-app purchases:** none

**What reviewers like**

- 🌙 Calming and relaxing
- 👍 Simple and intuitive gameplay
- 🎨 Beautiful color palette and aesthetics
- 🔒 No ads or in-app purchases
- 💡 Unique and innovative concept

**What reviewers complain about**

- 🕰️ Game is too short
- 🤔 Some levels require precise alignment
- 🔇 No option to turn off background music

**Reported bugs**

- Certain objects not disappearing as expected
- Glitches on specific levels

**Requested features**

- More levels and content
- Difficulty settings or options
- Ability to save progress


### SkyHighStack

[App page](https://appshunter.io/ios/app/skyhighstack/id6741442802)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Empty. free?

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

### Is SkyHighStack free?

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

### Do Empty. or SkyHighStack have ads?

Neither Empty. nor SkyHighStack shows ads.

### Which is updated more often, Empty. or SkyHighStack?

Empty. ships an update monthly, and SkyHighStack daily. Most recently, Empty. was updated on October 22, 2026 and SkyHighStack on October 8, 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.*