# TRAIN TECH コントローラー vs DoorSim

The clearest difference is review sentiment: DoorSim at 67% against TRAIN TECH コントローラー's 24%. TRAIN TECH コントローラー's advantage is ads (none vs shown) and update cadence (weekly vs every 8 months). On price, in-app purchases, monetization model 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 and DoorSim sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

TRAIN TECH コントローラー ships an update weekly, DoorSim every 8 months. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | TRAIN TECH コントローラー | DoorSim |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (2 ratings)](https://appshunter.io/ios/app/doorsim-train-door-sim/id1518824488/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 24.0% of reviews | **66.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 8 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 99 MB | 73 MB |
| Requires iOS | **7.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [ZAIZEN Co., Ltd.](https://appshunter.io/developer/380406945) | [Hiromi Hakozaki](https://appshunter.io/developer/1626441902) |

## 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 |


### DoorSim

[App page](https://appshunter.io/ios/app/doorsim-train-door-sim/id1518824488)

Operate subway or train doors with simple "Open" and "Close" buttons. Experience the role of a train conductor or driver. Play with model trains for added realism and use the buzzer button for intercom sounds.

**Highlights:** Operate train doors, Simulate conductor role, Use model trains, Intercom buzzer sound

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-Free Play | $1.99 | one-time |


## 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 DoorSim free?

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

### Do TRAIN TECH コントローラー or DoorSim have ads?

DoorSim shows ads; TRAIN TECH コントローラー does not.

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

TRAIN TECH コントローラー ships an update weekly, and DoorSim every 8 months. Most recently, TRAIN TECH コントローラー was updated on October 24, 2026 and DoorSim on October 16, 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.*