# DoorSim vs Norimono Button

The clearest difference is ads: Norimono Button at none against DoorSim's shown. Norimono Button also leads on update cadence (weekly vs every 8 months). DoorSim's advantage is iOS requirement (12.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. DoorSim sells 1 one-off in-app purchase and Norimono Button sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

DoorSim ships an update every 8 months, Norimono Button weekly. The most recent releases landed on November 7, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | DoorSim | Norimono Button |
| --- | --- | --- |
| 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 | 66.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 73 MB | 3 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Hiromi Hakozaki](https://appshunter.io/developer/1626441902) | [YUTAKA INADA](https://appshunter.io/developer/6783631814) |

## What reviewers say

### 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 |


### Norimono Button

[App page](https://appshunter.io/ios/app/norimono-button/id6816975868)

**Features:** macOS Compatibility, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Buttons | $2.99 | one-time |


## Frequently asked questions

### Is DoorSim free?

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

### Is Norimono Button free?

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

### Do DoorSim or Norimono Button have ads?

DoorSim shows ads; Norimono Button does not.

### Which is updated more often, DoorSim or Norimono Button?

DoorSim ships an update every 8 months, and Norimono Button weekly. Most recently, DoorSim was updated on November 7, 2026 and Norimono Button on November 6, 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.*