# e vs Smart Device Controller

The clearest difference is rating: e at 4.0 against Smart Device Controller's 3.3. e also leads on update cadence (weekly vs every 3 months) and iOS requirement (8.0 vs 10.3). Smart Device Controller's advantage is ratings volume (6 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

e holds the better App Store score, 4.0 against 3.3. That said, the two scores are not equally well evidenced: Smart Device Controller has 6 ratings behind it against 1, so its average is the more settled of the two.

e ships an update weekly, Smart Device Controller every 3 months. The most recent releases landed on July 7, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | e | Smart Device Controller |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/e-train-controller/id1133365438/reviews)** | [3.3 (6 ratings)](https://appshunter.io/ios/app/smart-device-controller/id1372692970/reviews) |
| Number of ratings | 1 | **6** |
| Positive reviews | — | 27.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 months |
| Monetization | Free | Free |
| Size | 64 MB | 26 MB |
| Requires iOS | **8.0** | 10.3 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [toytec](https://appshunter.io/developer/1556354133) | [SEKISUI KINZOKU CO., LTD](https://appshunter.io/developer/1343709801) |

## What reviewers say

### e

[App page](https://appshunter.io/ios/app/e-train-controller/id1133365438)

Control your model railroad with your smartphone or tablet. This app supports various scales and both DC and DCC cars, featuring built-in sound capabilities for a more immersive experience. Simple and intuitive operation makes managing your trains effortless.

**Highlights:** Smartphone/tablet operation, Supports Z, N, and HO scales, Operates DC and DCC cars, Built-in sound function, Simple and easy to use

**Features:** macOS Compatibility

**In-app purchases:** none


### Smart Device Controller

[App page](https://appshunter.io/ios/app/smart-device-controller/id1372692970)

Transform your smartphone into a wireless remote for model trains. It offers compatibility with Soundbox, allowing for operation or use as a wireless power pack without the Soundbox. Control your model train setups with ease.

**Highlights:** Wireless model train operation, Soundbox compatibility, Use as wireless power pack, Smartphone remote control

**In-app purchases:** none


## Frequently asked questions

### Is e free?

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

### Is Smart Device Controller free?

Smart Device Controller is free to download, with no in-app purchases.

### Which has better reviews, e or Smart Device Controller?

e is rated higher. e averages 4.0 out of 5 from 1 ratings, while Smart Device Controller averages 3.3 from 6 ratings.

### Do e or Smart Device Controller have ads?

Neither e nor Smart Device Controller shows ads.

### Which is updated more often, e or Smart Device Controller?

e ships an update weekly, and Smart Device Controller every 3 months. Most recently, e was updated on July 7, 2026 and Smart Device Controller on September 29, 2026.

---

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