# Underwater Runner vs Train Wreck | Rail Rage

The clearest difference is in-app purchases: Underwater Runner at none against Train Wreck | Rail Rage's 10. Underwater Runner also leads on update cadence (every 4 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Train Wreck | Rail Rage sells 10 one-off in-app purchases. Underwater Runner asks for nothing beyond the download.

Underwater Runner ships an update every 4 days, Train Wreck | Rail Rage monthly. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Underwater Runner | Train Wreck | Rail Rage |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/train-wreck-rail-rage/id6748962618/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 4 days** | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 182 MB | 206 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ankit Kanani](https://appshunter.io/developer/1800427460) | [Tornike Khvedelidze](https://appshunter.io/developer/1807950973) |

## What reviewers say

### Underwater Runner

[App page](https://appshunter.io/ios/app/underwater-runner/id6742896513)

**Features:** macOS Compatibility

**In-app purchases:** none


### Train Wreck | Rail Rage

[App page](https://appshunter.io/ios/app/train-wreck-rail-rage/id6748962618)

Experience a fast-paced endless runner where you control a train. Dodge obstacles, collect power-ups, and unlock new trains. Compete globally on leaderboards for the ultimate train-driving challenge.

**Highlights:** Dodge obstacles and avoid crashes, Collect power-ups, Unlock and customize trains, Global leaderboards, Addictive gameplay

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rare Chest Pack | $0.99 | one-time |
| Legendary Chest Pack | $0.99 | one-time |
| Double Experience | $0.99 | one-time |
| Brake | $0.99 | one-time |
| Magnet | $0.99 | one-time |
| Boost | $0.99 | one-time |
| Shield | $0.99 | one-time |
| Chest Bundle | $9.99 | one-time |
| Rare Chest Offer | $19.99 | one-time |
| Legendary Bundle | $29.99 | one-time |


## Frequently asked questions

### Is Underwater Runner free?

Underwater Runner is free to download, with no in-app purchases.

### Is Train Wreck | Rail Rage free?

Train Wreck | Rail Rage is free to download, with in-app purchases available.

### Do Underwater Runner or Train Wreck | Rail Rage have ads?

Both Underwater Runner and Train Wreck | Rail Rage show ads.

### Which is updated more often, Underwater Runner or Train Wreck | Rail Rage?

Underwater Runner ships an update every 4 days, and Train Wreck | Rail Rage monthly. Most recently, Underwater Runner was updated on October 25, 2026 and Train Wreck | Rail Rage on October 30, 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.*