# Invaders GS vs Stack Circuit

The clearest difference is in-app purchases: Stack Circuit at none against Invaders GS's 1. Stack Circuit also leads on ads (none vs shown). Invaders GS's advantage is iOS requirement (13.0 vs 16). On price and device support there is nothing between them.

Both are free to download. Invaders GS sells 1 one-off in-app purchase. Stack Circuit asks for nothing beyond the download.

## The numbers

| Metric | Invaders GS | Stack Circuit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | — |
| Size | 231 MB | 7 MB |
| Requires iOS | **13.0** | 16 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Daniil Bondarchuk](https://appshunter.io/developer/1852940475) | [泽森 陈](https://appshunter.io/developer/1884030414) |

## What reviewers say

### Invaders GS

[App page](https://appshunter.io/ios/app/invaders-gs/id6755287117)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $3.99 | one-time |


### Stack Circuit

[App page](https://appshunter.io/ios/app/stack-circuit-smart-assembly/id6760984535)

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

**In-app purchases:** none


## Frequently asked questions

### Is Invaders GS free?

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

### Is Stack Circuit free?

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

### Do Invaders GS or Stack Circuit have ads?

Invaders GS shows ads; Stack Circuit 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.*