# First Knight vs Stack Invasion

The clearest difference is in-app purchases: Stack Invasion at none against First Knight's 2. Stack Invasion also leads on update cadence (every 3 days vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. First Knight sells 2 one-off in-app purchases. Stack Invasion asks for nothing beyond the download.

First Knight ships an update fortnightly, Stack Invasion every 3 days. The most recent releases landed on October 13, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | First Knight | Stack Invasion |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 135 MB | 160 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Mateusz Przekwas](https://appshunter.io/developer/1820625897) | [Dipayon Debnath Dip](https://appshunter.io/developer/1566993708) |

## What reviewers say

### First Knight

[App page](https://appshunter.io/ios/app/first-knight/id6747290496)

Embark on an epic quest as an Arthurian knight, battling endless waves of enemies. Choose powerful skills and artifacts to survive and save the realm. Test your combat prowess in this challenging survival game.

**Highlights:** Play as Arthurian knights, Choose powerful skills, Equip artifacts, Survive endless waves, Save the realm

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1000 Gold Pack | $0.99 | one-time |
| DLC - Wintermoor Vale | $0.99 | one-time |


### Stack Invasion

[App page](https://appshunter.io/ios/app/stack-invasion/id6753060371)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is First Knight free?

First Knight is free to download, with in-app purchases available.

### Is Stack Invasion free?

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

### Do First Knight or Stack Invasion have ads?

Both First Knight and Stack Invasion show ads.

### Which is updated more often, First Knight or Stack Invasion?

First Knight ships an update fortnightly, and Stack Invasion every 3 days. Most recently, First Knight was updated on October 13, 2026 and Stack Invasion on September 9, 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.*