# TRAIN TECH コントローラー vs Smart Device Controller

The clearest difference is in-app purchases: Smart Device Controller at none against TRAIN TECH コントローラー's 10. TRAIN TECH コントローラー's advantage is update cadence (weekly vs every 3 months) and iOS requirement (7.0 vs 10.3). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. TRAIN TECH コントローラー sells 10 one-off in-app purchases. Smart Device Controller asks for nothing beyond the download.

TRAIN TECH コントローラー ships an update weekly, Smart Device Controller every 3 months. The most recent releases landed on October 9, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | TRAIN TECH コントローラー | Smart Device Controller |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.3 (6 ratings)](https://appshunter.io/ios/app/smart-device-controller/id1372692970/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | 24.0% of reviews | **27.3% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 99 MB | 26 MB |
| Requires iOS | **7.0** | 10.3 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ZAIZEN Co., Ltd.](https://appshunter.io/developer/380406945) | [SEKISUI KINZOKU CO., LTD](https://appshunter.io/developer/1343709801) |

## What reviewers say

### TRAIN TECH コントローラー

[App page](https://appshunter.io/ios/app/train-tech/id1235359544)

Control your model trains wirelessly from your smartphone or tablet. Experience realistic operation and sounds, and switch between different train cockpits. Expand your collection with new train data and enjoy a detailed railway encyclopedia.

**Highlights:** Wireless train operation via smartphone/tablet, Realistic driving feel and sounds, Switchable cockpits for different train models, Expandable train data library, Control up to 8 tracks, Manage up to 20 points

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| トレインキッズ 電車タイプ | $0.99 | one-time |
| トレインキッズ 新幹線タイプ | $0.99 | one-time |
| 上田電鉄 1000系 | $1.99 | one-time |
| 上田電鉄 7200系（まるまどりーむ号） | $1.99 | one-time |
| JR東海 373系電車 | $1.99 | one-time |
| JR東海 383系電車 | $1.99 | one-time |
| JR東海 キハ85系気動車 | $1.99 | one-time |
| 国鉄 D51形蒸気機関車125号機 | $5.99 | one-time |
| 国鉄 EF64形電気機関車0番台 18号機 | $5.99 | one-time |
| ディーゼル機関車（寒冷地タイプB） | $5.99 | 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 TRAIN TECH コントローラー free?

TRAIN TECH コントローラー 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.

### Do TRAIN TECH コントローラー or Smart Device Controller have ads?

Neither TRAIN TECH コントローラー nor Smart Device Controller shows ads.

### Which is updated more often, TRAIN TECH コントローラー or Smart Device Controller?

TRAIN TECH コントローラー ships an update weekly, and Smart Device Controller every 3 months. Most recently, TRAIN TECH コントローラー was updated on October 9, 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.*