# Smack Dat Ass vs Train Invasion

The clearest difference is rating: Smack Dat Ass at 3.7 against Train Invasion's 3.0. Smack Dat Ass also leads on review sentiment (67% vs 25%) and ads (none vs shown). Train Invasion's advantage is update cadence (every 2 months vs every 6 months). On price, ratings volume, 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.

Smack Dat Ass holds the better App Store score, 3.7 against 3.0. Both are backed by a comparable volume of ratings — 6 and 5 respectively. Written reviews point the same way: 67% of Smack Dat Ass's written reviews are positive against 25% of Train Invasion's.

Smack Dat Ass ships an update every 6 months, Train Invasion every 2 months. The most recent releases landed on October 10, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Smack Dat Ass | Train Invasion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (6 ratings)](https://appshunter.io/ios/app/smack-dat-ass/id921756752/reviews)** | [3.0 (5 ratings)](https://appshunter.io/ios/app/train-invasion/id6751881247/reviews) |
| Number of ratings | **6** | 5 |
| Positive reviews | **66.7% of reviews** | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | **Free** | Ad-supported |
| Size | 26 MB | 201 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Kevin Chen](https://appshunter.io/developer/917939532) | [Kiwert](https://appshunter.io/developer/1426743821) |

## What reviewers say

### Smack Dat Ass

[App page](https://appshunter.io/ios/app/smack-dat-ass/id921756752)

A fast-paced arcade game where players must tap to hit donkeys launched from a cannon. Save the world from a donkey-related catastrophe by achieving high scores through a combination of skill and luck.

**Highlights:** Tap-based gameplay, Score-based challenges, Save the world from donkeys, Luck and skill mechanics, Fast-paced action

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Smack Dat Ass free?

Smack Dat Ass is free to download, with no in-app purchases.

### Is Train Invasion free?

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

### Which has better reviews, Smack Dat Ass or Train Invasion?

Smack Dat Ass is rated higher. Smack Dat Ass averages 3.7 out of 5 from 6 ratings, while Train Invasion averages 3.0 from 5 ratings.

### Do Smack Dat Ass or Train Invasion have ads?

Train Invasion shows ads; Smack Dat Ass does not.

### Which is updated more often, Smack Dat Ass or Train Invasion?

Smack Dat Ass ships an update every 6 months, and Train Invasion every 2 months. Most recently, Smack Dat Ass was updated on October 10, 2026 and Train Invasion on October 24, 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.*