# Astro Drift vs Stack Tower

The clearest difference is in-app purchases: Stack Tower at none against Astro Drift's 8. Stack Tower also leads on iOS requirement (15.1 vs 18.0). Astro Drift's advantage is update cadence (weekly vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Astro Drift sells 8 one-off in-app purchases. Stack Tower asks for nothing beyond the download.

Astro Drift ships an update weekly, Stack Tower every 2 months. The most recent releases landed on October 9, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Astro Drift | Stack Tower |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/astro-drift-an-idle-game/id6757321867/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 91 MB | 21 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Zayn Siddiqui](https://appshunter.io/developer/1797824971) | [Yusuf Uyar](https://appshunter.io/developer/1881273203) |

## What reviewers say

### Astro Drift

[App page](https://appshunter.io/ios/app/astro-drift-an-idle-game/id6757321867)

Engage in a space mining adventure where you collect gems, upgrade your ship, and battle enemies. Experiment with ship modifications and unlock permanent upgrades to grow your space economy, even when offline.

**Highlights:** Asteroid mining, Ship upgrades, Laser combat, Mod loadouts, Advancement tree, Offline progression

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Diamonds - 20 | $1.99 | one-time |
| Diamonds - 60 | $4.99 | one-time |
| Diamonds - 125 | $9.99 | one-time |
| Remove Ads | $9.99 | one-time |
| Diamonds - 260 | $19.99 | one-time |
| Diamonds - 475 | $34.99 | one-time |
| Diamonds - 700 | $49.99 | one-time |
| Diamonds - 1500 | $99.99 | one-time |


### 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 Astro Drift free?

Astro Drift is free to download, with in-app purchases available.

### Is Stack Tower free?

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

### Do Astro Drift or Stack Tower have ads?

Neither Astro Drift nor Stack Tower shows ads.

### Which is updated more often, Astro Drift or Stack Tower?

Astro Drift ships an update weekly, and Stack Tower every 2 months. Most recently, Astro Drift was updated on October 9, 2026 and Stack Tower on October 25, 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.*