# Astrovert vs Stack Tower

The clearest difference is update cadence: Stack Tower at every 2 months against Astrovert's every 6 months. Stack Tower also leads on iOS requirement (15.1 vs 17.4). 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.

Astrovert ships an update every 6 months, Stack Tower every 2 months. The most recent releases landed on September 17, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Astrovert | Stack Tower |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Size | 5 MB | 21 MB |
| Requires iOS | 17.4 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Aycan YILMAZ](https://appshunter.io/developer/912871298) | [Yusuf Uyar](https://appshunter.io/developer/1881273203) |

## What reviewers say

### Astrovert

[App page](https://appshunter.io/ios/app/astrovert/id6502262535)

**Features:** macOS Compatibility

**In-app purchases:** none


### Stack Tower

[App page](https://appshunter.io/ios/app/stack-tower-world-edition/id6760509445)

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

**In-app purchases:** none


## Frequently asked questions

### Is Astrovert free?

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

### Is Stack Tower free?

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

### Do Astrovert or Stack Tower have ads?

Neither Astrovert nor Stack Tower shows ads.

### Which is updated more often, Astrovert or Stack Tower?

Astrovert ships an update every 6 months, and Stack Tower every 2 months. Most recently, Astrovert was updated on September 17, 2026 and Stack Tower on September 10, 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.*