# Purge 公式アプリ vs Crescent MOON

Purge 公式アプリ and Crescent MOON are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Purge 公式アプリ ships an update every 38 months, Crescent MOON every 39 months. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Purge 公式アプリ | Crescent MOON |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 38 months** | Every 39 months |
| Size | 42 MB | 34 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CHIKA HIRAOKA](https://appshunter.io/developer/1544246797) | [KAORI HISADA](https://appshunter.io/developer/1575406399) |

## What reviewers say

### Purge 公式アプリ

[App page](https://appshunter.io/ios/app/purge/id1544246495)

**In-app purchases:** none


### Crescent MOON

[App page](https://appshunter.io/ios/app/crescent-moon/id1575406397)

**In-app purchases:** none


## Frequently asked questions

### Is Purge 公式アプリ free?

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

### Is Crescent MOON free?

Crescent MOON is free to download, with no in-app purchases.

### Do Purge 公式アプリ or Crescent MOON have ads?

Neither Purge 公式アプリ nor Crescent MOON shows ads.

### Which is updated more often, Purge 公式アプリ or Crescent MOON?

Purge 公式アプリ ships an update every 38 months, and Crescent MOON every 39 months. Most recently, Purge 公式アプリ was updated on November 7, 2026 and Crescent MOON on November 3, 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.*