# Train Invasion vs Bug Ring Siege

The clearest difference is review sentiment: Bug Ring Siege at 100% against Train Invasion's 25%. Bug Ring Siege also leads on rating (5.0 vs 3.0) and update cadence (every 4 days vs every 2 months). Train Invasion's advantage is in-app purchases (none vs 4) and ratings volume (5 vs 1). On price and ads there is nothing between them.

Both are free to download. Bug Ring Siege sells 4 one-off in-app purchases. Train Invasion asks for nothing beyond the download.

Bug Ring Siege holds the better App Store score, 5.0 against 3.0. That said, the two scores are not equally well evidenced: Train Invasion has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 25% of Train Invasion's written reviews are positive against 100% of Bug Ring Siege's.

Train Invasion ships an update every 2 months, Bug Ring Siege every 4 days. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Train Invasion | Bug Ring Siege |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (5 ratings)](https://appshunter.io/ios/app/train-invasion/id6751881247/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/bug-ring-siege/id6760985780/reviews)** |
| Number of ratings | **5** | 1 |
| Positive reviews | 25.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 201 MB | 86 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Kiwert](https://appshunter.io/developer/1426743821) | [Josef Durbin](https://appshunter.io/developer/1886014854) |

## 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


### Bug Ring Siege

[App page](https://appshunter.io/ios/app/bug-ring-siege/id6760985780)

Defend a vital ring from relentless alien insect attacks in this tactical tower defense game. Command and upgrade gun turrets, rescue civilians, and battle increasingly difficult waves of bugs, including massive bosses. Strategic upgrades and quick reflexes are key to survival.

**Highlights:** Strategic tower defense gameplay, Real-time tap combat, 30+ waves with boss encounters, 7 unique enemy species, Deep upgrade system, Civilian rescue missions, One-handed portrait gameplay

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| XP Drop | $0.99 | one-time |
| Ad-Free Commander | $2.99 | one-time |
| Field Commander | $4.99 | one-time |
| War Machine | $9.99 | one-time |


## Frequently asked questions

### Is Train Invasion free?

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

### Is Bug Ring Siege free?

Bug Ring Siege is free to download, with in-app purchases available.

### Which has better reviews, Train Invasion or Bug Ring Siege?

Bug Ring Siege is rated higher. Train Invasion averages 3.0 out of 5 from 5 ratings, while Bug Ring Siege averages 5.0 from 1 ratings.

### Do Train Invasion or Bug Ring Siege have ads?

Both Train Invasion and Bug Ring Siege show ads.

### Which is updated more often, Train Invasion or Bug Ring Siege?

Train Invasion ships an update every 2 months, and Bug Ring Siege every 4 days. Most recently, Train Invasion was updated on October 24, 2026 and Bug Ring Siege on October 16, 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.*