# Signal Master 3D vs Double Train

The clearest difference is ads: Signal Master 3D at none against Double Train's shown. Signal Master 3D also leads on iOS requirement (10.0 vs 12.0). On price, 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.

## The numbers

| Metric | Signal Master 3D | Double Train |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/signal-master-3d/id1530429635/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Monetization | Free | — |
| Size | 81 MB | 129 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ozan akbaba](https://appshunter.io/developer/1322985604) | [Bugbomb](https://appshunter.io/developer/1440148721) |

## What reviewers say

### Signal Master 3D

[App page](https://appshunter.io/ios/app/signal-master-3d/id1530429635)

Guide a signal through a maze to reach its destination. Navigate obstacles and ensure a clear path for the signal to connect. A simple yet engaging puzzle experience.

**Highlights:** Signal guidance gameplay, Maze navigation, Obstacle avoidance, Simple puzzle mechanics

**Features:** macOS Compatibility

**In-app purchases:** none


### Double Train

[App page](https://appshunter.io/ios/app/double-train/id6742326706)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Signal Master 3D free?

Signal Master 3D is free to download, with no in-app purchases.

### Is Double Train free?

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

### Do Signal Master 3D or Double Train have ads?

Double Train shows ads; Signal Master 3D does not.

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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.*