Smart Device Controller vs OTOTETSU
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Smart Device Controller
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.
- Wireless model train operation
- Soundbox compatibility
- Use as wireless power pack
- Smartphone remote control
Read full descriptionHide full description
Operate model trains by wireless control! Compatible with Soundbox! Your smartphone turns into a remote controller for a model train. You can use it as a remote controller for Soundbox. You do not have to use Soundbox and use this product as a wireless power pack. Let's download "Smart Device Controller application" to your smartphone or tablet on hand.
OTOTETSU
This app simulates the characteristic sounds of electric trains, generated by inverters controlling motor torque and speed. Users can design sounds for imaginary trains by manipulating waveforms and motor sounds.
- Simulates electric train acceleration/deceleration sounds
- Generates waveforms from inverters
- Simulates motor sounds
- Design imaginary train sounds
- Customize torque and rotational speed effects
Read full descriptionHide full description
When electric trains accelerate and decelerate, we can hear some characteristic sounds, which is caused by inverters' controlling the torque and the rotational speed of the motors. This app simulates the waveforms generated by inverters and sounds coming from motors, and you can also design sounds of imaginary trains.
Screenshots
Verdict
The clearest difference is review sentiment: OTOTETSU at 93% against Smart Device Controller's 20%. OTOTETSU also leads on rating (4.7 vs 3.3). Smart Device Controller's advantage is iOS requirement (10.3 vs 15.0). On price, ratings volume, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
OTOTETSU holds the better App Store score, 4.7 against 3.3. Both are backed by a comparable volume of ratings — 6 and 17 respectively. Written reviews point the same way: 20% of Smart Device Controller's written reviews are positive against 93% of OTOTETSU's.
Smart Device Controller ships an update every 3 months, OTOTETSU every 2 months. The most recent releases landed on June 2, 2026 and September 21, 2026 respectively.
| Parameter | Smart Device Controller | OTOTETSU |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (6 ratings) | 4.7 (17 ratings) — better |
| Positive reviews | 20.0% of reviews | 93.1% of reviews — better |
| Number of ratings | 6 | 17 — better |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 10.3 — better | 15.0 |
| Further details — not scored | ||
| Size | 26 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | SEKISUI KINZOKU CO., LTD | Hisato Takeuchi |
Customer experience
Smart Device Controller
OTOTETSU
In-app purchases
Smart Device Controller
No in-app purchases
OTOTETSU
No in-app purchases
Questions
Is Smart Device Controller free?
Is OTOTETSU free?
Which has better reviews, Smart Device Controller or OTOTETSU?
Do Smart Device Controller or OTOTETSU have ads?
Which is updated more often, Smart Device Controller or OTOTETSU?
Other comparisons
![ATOS接近放送[中央線]](https://cdn3.appshunter.io/i/Purple221/a83b4b3760ffc6db9e2acf580bebdcfe/AppIcon-0-0-1x_U007emarketing-0-8-0-85-220.png/640x0w.webp "ATOS接近放送[中央線]")
![ATOS接近放送[山手線]](https://cdn3.appshunter.io/i/Purple211/d19010e53546c58c2b003aa93f5e7dbf/AppIcon-0-0-1x_U007emarketing-0-11-0-85-220.png/640x0w.webp "ATOS接近放送[山手線]")