# BRIO Smart Tech Sound vs RailControl Pro

The clearest difference is review sentiment: RailControl Pro at 72% against BRIO Smart Tech Sound's 35%. RailControl Pro also leads on update cadence (monthly vs every 8 months). BRIO Smart Tech Sound's advantage is in-app purchases (none vs 3) and rating (3.7 vs 3.3). On price, ads and device support there is nothing between them.

Both are free to download. RailControl Pro sells 3 in-app purchases, starting at $14.99 per year. BRIO Smart Tech Sound asks for nothing beyond the download.

BRIO Smart Tech Sound holds the better App Store score, 3.7 against 3.3. That said, the two scores are not equally well evidenced: BRIO Smart Tech Sound has 30 ratings behind it against 6, so its average is the more settled of the two. Written reviews complicate that: 35% of BRIO Smart Tech Sound's written reviews are positive against 72% of RailControl Pro's, so the app with the better star average is not the one people write more warmly about.

BRIO Smart Tech Sound ships an update every 8 months, RailControl Pro monthly. Both last shipped on October 24, 2026.

## The numbers

| Metric | BRIO Smart Tech Sound | RailControl Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (30 ratings)](https://appshunter.io/ios/app/brio-smart-tech-sound/id1507943306/reviews)** | [3.3 (6 ratings)](https://appshunter.io/ios/app/railcontrol-pro/id1598836499/reviews) |
| Number of ratings | **30** | 6 |
| Positive reviews | 35.3% of reviews | **72.2% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 134 MB | 18 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [BRIO AB](https://appshunter.io/developer/1128776390) | [Boterham](https://appshunter.io/developer/552486731) |

## What reviewers say

### BRIO Smart Tech Sound

[App page](https://appshunter.io/ios/app/brio-smart-tech-sound/id1507943306)

Control your interactive toy engine with this app. Choose and record sounds, adjust engine speed, and change headlights. It requires Bluetooth and microphone permissions for sound recording and control.

**Highlights:** Remote engine control, Sound selection, Custom sound recording, Speed adjustment, Headlight control

**In-app purchases:** none


### RailControl Pro

[App page](https://appshunter.io/ios/app/railcontrol-pro/id1598836499)

Easily control your Märklin model train layout from your iPhone or iPad. Manage locomotives, accessories, and events with intuitive controls, keyboard shortcuts, and even game controllers. Offers a free trial before requiring a subscription.

**Highlights:** Connect Märklin CS2/CS3, Control locomotives (speed, direction, functions), Control accessories (turnouts, signals), Start events, Multi-window and Stage Manager support on iPad, Dark Mode, Keyboard shortcuts, Game controller support

**Features:** Game Controller support, Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hobby | $14.99 | per year |
| Pro | $24.99 | per year |
| Family Pro | $39.99 | per year |


## Frequently asked questions

### Is BRIO Smart Tech Sound free?

BRIO Smart Tech Sound is free to download, with no in-app purchases.

### Is RailControl Pro free?

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

### Which has better reviews, BRIO Smart Tech Sound or RailControl Pro?

BRIO Smart Tech Sound is rated higher. BRIO Smart Tech Sound averages 3.7 out of 5 from 30 ratings, while RailControl Pro averages 3.3 from 6 ratings.

### Do BRIO Smart Tech Sound or RailControl Pro have ads?

Neither BRIO Smart Tech Sound nor RailControl Pro shows ads.

### Which is updated more often, BRIO Smart Tech Sound or RailControl Pro?

BRIO Smart Tech Sound ships an update every 8 months, and RailControl Pro monthly. Most recently, BRIO Smart Tech Sound was updated on October 24, 2026 and RailControl Pro on October 24, 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.*