# Alien Raid vs Train Defense

The clearest difference is in-app purchases: Alien Raid at none against Train Defense's 3. Train Defense's advantage is rating (3.9 vs 3.6) and review sentiment (38% vs 22%). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Train Defense sells 3 one-off in-app purchases. Alien Raid asks for nothing beyond the download.

Train Defense holds the better App Store score, 3.9 against 3.6. Both are backed by a comparable volume of ratings — 30 and 50 respectively. Written reviews point the same way: 22% of Alien Raid's written reviews are positive against 38% of Train Defense's.

Alien Raid ships an update every 2 months, Train Defense every 3 weeks. The most recent releases landed on October 2, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Alien Raid | Train Defense |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (30 ratings)](https://appshunter.io/ios/app/alien-raid-monster-evolution/id6446621231/reviews) | **[3.9 (50 ratings)](https://appshunter.io/ios/app/train-defense-zombie-game/id6446886740/reviews)** |
| Number of ratings | 30 | **50** |
| Positive reviews | 22.2% of reviews | **37.5% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 270 MB | 401 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [MAD PIXEL](https://appshunter.io/developer/1581972745) | [AI Games FZ](https://appshunter.io/developer/1478916023) |

## What reviewers say

### Alien Raid

[App page](https://appshunter.io/ios/app/alien-raid-monster-evolution/id6446621231)

Lead an alien invasion to conquer Earth by building and evolving a monster army. Raid human bases, gather resources, and upgrade your lab and creatures for ultimate domination in this sci-fi strategy game.

**Highlights:** Create and upgrade monsters, Tower defense meets alien strategy, Upgrade lab and workers, Arcade action and idle gameplay, Conquer iconic locations, Epic boss battles

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

**In-app purchases:** none


### Train Defense

[App page](https://appshunter.io/ios/app/train-defense-zombie-game/id6446886740)

Defend a moving train from waves of zombies in this post-apocalyptic survival game. Upgrade defenses, build fortifications, and use various weapons to defeat zombie hordes and powerful bosses. Explore diverse, infested locations on your journey to safety.

**Highlights:** Zombie defense gameplay, Train fortification and upgrades, Multiple weapon types, Boss battles, Diverse post-apocalyptic locations, Survival mechanics

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No ADs | $2.99 | one-time |
| No Ads Pack | $5.99 | one-time |
| Characters Pack | $9.99 | one-time |


## Frequently asked questions

### Is Alien Raid free?

Alien Raid is free to download, with no in-app purchases.

### Is Train Defense free?

Train Defense is free to download, with in-app purchases available.

### Which has better reviews, Alien Raid or Train Defense?

Train Defense is rated higher. Alien Raid averages 3.6 out of 5 from 30 ratings, while Train Defense averages 3.9 from 50 ratings.

### Do Alien Raid or Train Defense have ads?

Both Alien Raid and Train Defense show ads.

### Which is updated more often, Alien Raid or Train Defense?

Alien Raid ships an update every 2 months, and Train Defense every 3 weeks. Most recently, Alien Raid was updated on October 2, 2026 and Train Defense on October 3, 2026.

---

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