# The Invaders! vs Stack Away

The clearest difference is in-app purchases: Stack Away at none against The Invaders!'s 10. Stack Away also leads on update cadence (every 3 days vs every 9 days) and iOS requirement (12.0 vs 15.6). The Invaders!'s advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. The Invaders! sells 10 one-off in-app purchases. Stack Away asks for nothing beyond the download.

The Invaders! ships an update every 9 days, Stack Away every 3 days. The most recent releases landed on September 8, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | The Invaders! | Stack Away |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 9 days | **Every 3 days** |
| Size | 533 MB | 79 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [Li-hsuan Liu](https://appshunter.io/developer/426634635) | [Mohamed Amine ADJABI](https://appshunter.io/developer/1347890183) |

## What reviewers say

### The Invaders!

[App page](https://appshunter.io/ios/app/the-invaders/id1330197032)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5 Automic Strategic Drones | $0.99 | one-time |
| 10 Disposable Batteries | $0.99 | one-time |
| 20 Disposable Batteries | $1.99 | one-time |
| 10 Automic Strategic Drones | $1.99 | one-time |
| 30 Disposable Batteries | $2.99 | one-time |
| 20 Automic Strategic Drones | $3.99 | one-time |
| 60 Disposable Batteries | $4.99 | one-time |
| 100 Disposable Batteries | $7.99 | one-time |
| 50 Automic Strategic Drones | $8.99 | one-time |
| 100 Automic Strategic Drones | $15.99 | one-time |


### Stack Away

[App page](https://appshunter.io/ios/app/stack-away/id6504929689)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is The Invaders! free?

The Invaders! is free to download, with in-app purchases available.

### Is Stack Away free?

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

### Do The Invaders! or Stack Away have ads?

Stack Away shows ads; The Invaders! does not.

### Which is updated more often, The Invaders! or Stack Away?

The Invaders! ships an update every 9 days, and Stack Away every 3 days. Most recently, The Invaders! was updated on September 8, 2026 and Stack Away on September 17, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*