# Door（ドゥーア） vs LEAD　公式アプリ

The clearest difference is update cadence: Door（ドゥーア） at every 6 months against LEAD　公式アプリ's every 39 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Door（ドゥーア） ships an update every 6 months, LEAD　公式アプリ every 39 months. The most recent releases landed on October 4, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Door（ドゥーア） | LEAD　公式アプリ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 39 months |
| Size | 3 MB | 5 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Naoya Takahashi](https://appshunter.io/developer/1301211980) | [ETSUKO SATO](https://appshunter.io/developer/1568989228) |

## What reviewers say

### Door（ドゥーア）

[App page](https://appshunter.io/ios/app/door/id1361006449)

**Features:** macOS Compatibility

**In-app purchases:** none


### LEAD　公式アプリ

[App page](https://appshunter.io/ios/app/lead/id6445942617)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Door（ドゥーア） free?

Door（ドゥーア） is free to download, with no in-app purchases.

### Is LEAD　公式アプリ free?

LEAD　公式アプリ is free to download, with no in-app purchases.

### Do Door（ドゥーア） or LEAD　公式アプリ have ads?

Neither Door（ドゥーア） nor LEAD　公式アプリ shows ads.

### Which is updated more often, Door（ドゥーア） or LEAD　公式アプリ?

Door（ドゥーア） ships an update every 6 months, and LEAD　公式アプリ every 39 months. Most recently, Door（ドゥーア） was updated on October 4, 2026 and LEAD　公式アプリ on October 15, 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.*