# Train Invasion vs Stack Invasion

The clearest difference is update cadence: Stack Invasion at every 3 days against Train Invasion's every 2 months. 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.

Train Invasion ships an update every 2 months, Stack Invasion every 3 days. The most recent releases landed on October 14, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Train Invasion | Stack Invasion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/train-invasion/id6751881247/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | Ad-supported | — |
| Size | 201 MB | 160 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Kiwert](https://appshunter.io/developer/1426743821) | [Dipayon Debnath Dip](https://appshunter.io/developer/1566993708) |

## What reviewers say

### Train Invasion

[App page](https://appshunter.io/ios/app/train-invasion/id6751881247)

Defend a runaway train from relentless zombie hordes in this action-packed defense game. Upgrade your character with powerful perks and unique builds to survive increasingly challenging waves and deadly boss battles. Every run offers a new roguelite experience with stylized visuals and immersive gameplay.

**Highlights:** Dynamic zombie wave battles, Perk-based upgrade system, Roguelite progression, Stylized visuals, Train defense gameplay, Boss battles

**Features:** macOS Compatibility

**In-app purchases:** none


### Stack Invasion

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Train Invasion free?

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

### Is Stack Invasion free?

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

### Do Train Invasion or Stack Invasion have ads?

Both Train Invasion and Stack Invasion show ads.

### Which is updated more often, Train Invasion or Stack Invasion?

Train Invasion ships an update every 2 months, and Stack Invasion every 3 days. Most recently, Train Invasion was updated on October 14, 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.*