# Wi vs Smart Device Controller

The clearest difference is in-app purchases: Smart Device Controller at none against Wi's 3. Smart Device Controller also leads on iOS requirement (10.3 vs 17.0). Wi's advantage is rating (3.7 vs 3.3) and review sentiment (36% vs 27%). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Wi sells 3 one-off in-app purchases. Smart Device Controller asks for nothing beyond the download.

Wi holds the better App Store score, 3.7 against 3.3. Both are backed by a comparable volume of ratings — 24 and 6 respectively. Written reviews point the same way: 36% of Wi's written reviews are positive against 27% of Smart Device Controller's.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on September 7, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Wi | Smart Device Controller |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (24 ratings)](https://appshunter.io/ios/app/wi-fi-dcs/id988168329/reviews)** | [3.3 (6 ratings)](https://appshunter.io/ios/app/smart-device-controller/id1372692970/reviews) |
| Number of ratings | **24** | 6 |
| Positive reviews | **36.1% of reviews** | 27.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 26 MB | 26 MB |
| Requires iOS | 17.0 | **10.3** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mike's Train House, Inc.](https://appshunter.io/developer/988168328) | [SEKISUI KINZOKU CO., LTD](https://appshunter.io/developer/1343709801) |

## What reviewers say

### Wi

[App page](https://appshunter.io/ios/app/wi-fi-dcs/id988168329)

Control your model railroad with an iOS device. This app offers comprehensive and innovative control for M.T.H. Digital Command System (DCS) and can also manage TMCC® and Legacy® engines. It's designed for ease of use, allowing you to run multiple trains and control accessories.

**Highlights:** Comprehensive model railroad control, Run MTH ProtoSound 2.0/3.0 locomotives, Control Atlas O® ProtoSound 3.0, Cross-platform control (TMCC®, Legacy®), Run multiple trains simultaneously, Control switches and accessories, Immersive sound and control features

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Standard | $4.99 | one-time |
| Premium Upgrade | $19.99 | one-time |
| Premium | $24.99 | one-time |


### 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 Wi free?

Wi is free to download, with in-app purchases available.

### Is Smart Device Controller free?

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

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

Wi is rated higher. Wi averages 3.7 out of 5 from 24 ratings, while Smart Device Controller averages 3.3 from 6 ratings.

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

Neither Wi nor Smart Device Controller shows ads.

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

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