# Blue Box Simulator vs RailRunner DCC WiFi Throttle

The clearest difference is price: Blue Box Simulator at Free against RailRunner DCC WiFi Throttle's $14.99. Blue Box Simulator also leads on ratings volume (107 vs 2) and iOS requirement (13.0 vs 15.6). RailRunner DCC WiFi Throttle's advantage is rating (5.0 vs 4.5) and in-app purchases (none vs 3). On update cadence and device support there is nothing between them.

Blue Box Simulator is free to download; RailRunner DCC WiFi Throttle costs $14.99 up front. Blue Box Simulator sells 3 in-app purchases, starting at $0.99 per month. RailRunner DCC WiFi Throttle asks for nothing beyond the download.

RailRunner DCC WiFi Throttle holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Blue Box Simulator has 107 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 79% of Blue Box Simulator's written reviews are positive against 100% of RailRunner DCC WiFi Throttle's.

Blue Box Simulator ships an update every 10 days, RailRunner DCC WiFi Throttle every 2 weeks. The most recent releases landed on September 20, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Blue Box Simulator | RailRunner DCC WiFi Throttle |
| --- | --- | --- |
| Price | **Free** | $14.99 |
| Rating | [4.5 (107 ratings)](https://appshunter.io/ios/app/blue-box-simulator/id1557069711/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/railrunner-dcc-wifi-throttle/id6744852952/reviews)** |
| Number of ratings | **107** | 2 |
| Positive reviews | 79.1% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 10 days** | Every 2 weeks |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 2.4 GB | 34 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jesus Garces Villarrubia](https://appshunter.io/developer/1518826992) | [John Gymer](https://appshunter.io/developer/1809570731) |

## What reviewers say

### Blue Box Simulator

[App page](https://appshunter.io/ios/app/blue-box-simulator/id1557069711)

Embark on interstellar journeys with a virtual time and space machine. Explore planets, engage in manual flight with warp capabilities, or utilize autopilot for guided expeditions. Experience time travel through a vortex for ultimate exploration.

**Highlights:** Time and space travel simulation, Manual flight with warp capabilities, Autopilot for guided navigation, Time vortex travel, Planet exploration, Superluminal speed travel

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Access to the 3D Earth | $0.99 | per month |
| Cup of tea | $0.99 | one-time |
| Unlock All The Extra Content | $3.99 | one-time |

**What reviewers like**

- 🚀 Fantastic game
- 👍 Great graphics and gameplay
- 🎨 Awesome TARDIS interiors
- 🎮 Immersive Doctor Who experience

**What reviewers complain about**

- 🐛 Crashes and glitches
- 🤖 Lack of alien species/enemies
- 🗺️ Limited planets and locations
- 🔌 Performance issues on some devices

**Reported bugs**

- Crashing when trying to land on planets
- Chameleon circuit issues causing problems
- Google Maps API unavailability
- Controls and navigation not always intuitive

**Requested features**

- Add 13th, 14th, and 15th Doctor's TARDIS interiors
- Implement more rooms and areas to explore within the TARDIS
- Introduce quests, companions, and other Doctor Who elements
- Optimize performance and stability across devices


### RailRunner DCC WiFi Throttle

[App page](https://appshunter.io/ios/app/railrunner-dcc-wifi-throttle/id6744852952)

Control your digital model railway with this universal WiFi throttle. Manage layouts, locomotives, and accessories, and program decoders directly from your device. Supports multiple DCC command station protocols for seamless operation.

**Highlights:** Universal DCC WiFi throttle, Supports WiThrottle, Z21, ECoS, LocoNet, XpressNet, Manage layouts, locomotives, accessories, Intuitive interface for driving trains, Decoder programming (programming track & POM), RailCom support

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

**In-app purchases:** none


## Frequently asked questions

### Is Blue Box Simulator free?

Blue Box Simulator is free to download, with in-app purchases available.

### Is RailRunner DCC WiFi Throttle free?

RailRunner DCC WiFi Throttle costs $14.99, with no in-app purchases.

### Which has better reviews, Blue Box Simulator or RailRunner DCC WiFi Throttle?

RailRunner DCC WiFi Throttle is rated higher. Blue Box Simulator averages 4.5 out of 5 from 107 ratings, while RailRunner DCC WiFi Throttle averages 5.0 from 2 ratings.

### Do Blue Box Simulator or RailRunner DCC WiFi Throttle have ads?

Blue Box Simulator shows ads; RailRunner DCC WiFi Throttle does not.

### Which is updated more often, Blue Box Simulator or RailRunner DCC WiFi Throttle?

Blue Box Simulator ships an update every 10 days, and RailRunner DCC WiFi Throttle every 2 weeks. Most recently, Blue Box Simulator was updated on September 20, 2026 and RailRunner DCC WiFi Throttle on September 22, 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.*