# スタスト 星の島の物語 vs XS Post Agent

The clearest difference is in-app purchases: XS Post Agent at none against スタスト 星の島の物語's 51. XS Post Agent also leads on update cadence (fortnightly vs every 5 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. スタスト 星の島の物語 sells 51 one-off in-app purchases. XS Post Agent asks for nothing beyond the download.

スタスト 星の島の物語 ships an update every 5 weeks, XS Post Agent fortnightly. The most recent releases landed on October 16, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | スタスト 星の島の物語 | XS Post Agent |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (73 ratings)](https://appshunter.io/ios/app/id6449670979/reviews)** | — |
| Number of ratings | **73** | — |
| Positive reviews | 81.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 1.3 GB | 1 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [VOPI PTE. LTD](https://appshunter.io/developer/1604539006) | [KAZUKI KANAZAWA](https://appshunter.io/developer/6799428085) |

## What reviewers say

### スタスト 星の島の物語

[App page](https://appshunter.io/ios/app/id6449670979)

Create your own island paradise in a whimsical world. Collect sea creatures, decorate your island and avatar, and chat with friends. Enjoy relaxing activities like fishing and customizing your space.

**Highlights:** Collect sea creatures by fishing, Decorate your island with various items, Customize your avatar with outfits and accessories, Chat and socialize with friends, Raise and interact with sea creatures, Freely customize island and avatar

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

**In-app purchases (51)**

| Purchase | Price | Billing |
| --- | --- | --- |
| アストローパーのきまぐれ特典1 | $0.99 | one-time |
| スタミナ満点パック | $0.99 | one-time |
| 160円パック（UR魚スキン） | $0.99 | one-time |
| 頭のせ初音ミクぬいパック | $0.99 | one-time |
| ビギナーエナジーパック | $0.99 | one-time |
| ダイヤモンド x 120 | $0.99 | one-time |
| エトワールの釣り竿 | $0.99 | one-time |
| ダイヤ・サンキューパック | $0.99 | one-time |
| サン＆シーブルームヘアセット | $1.99 | one-time |
| ヴィンテージカントリーセット | $1.99 | one-time |
| イベント限定フロア | $1.99 | one-time |
| アイスブルーフェアリーセット | $1.99 | one-time |
| ルナな祝福（初回限定） | $1.99 | one-time |
| ダイヤモンド x 300 | $1.99 | one-time |
| 星の島スタートパック | $1.99 | one-time |
| ウィークリーガチャ券補給パック | $1.99 | one-time |
| ウィークリーポーション補給パック | $1.99 | one-time |
| 白和装ランダムパック | $2.99 | one-time |
| アストローパーのきまぐれ特典3 | $3.99 | one-time |
| コラボフロアパック1 | $3.99 | one-time |
| チョコミントランダムパック | $3.99 | one-time |
| ルナな祝福 | $3.99 | one-time |
| ダイヤモンド x 610 | $3.99 | one-time |
| ルナな祈禱（初回限定） | $3.99 | one-time |
| ガチャスターターパック | $4.99 | one-time |
| 海神の加護 | $4.99 | one-time |
| 980円パック（着せ替え抽選コイン） | $5.99 | one-time |
| アストローパーのきまぐれ特典4 | $5.99 | one-time |
| レアUR魚育成パック | $5.99 | one-time |
| ウィークリーギフト補給パック | $5.99 | one-time |
| ダイヤモンド x 980 | $5.99 | one-time |
| 星の島旅行記 | $5.99 | one-time |
| ルナの祈禱 | $6.99 | one-time |
| グリーンオアシスアイランド | $6.99 | one-time |
| 星の島ビジュアルパック | $6.99 | one-time |
| 1280円パック（仲間抽選コイン） | $7.99 | one-time |
| 1280円パック（着せ替え抽選コイン） | $7.99 | one-time |
| コラボステップパック2 | $7.99 | one-time |
| スーパー釣り竿パック | $11.99 | one-time |
| ダイヤモンド x 1980 | $11.99 | one-time |
| 星の島遠足パック | $12.99 | one-time |
| メダル10枚パック | $14.99 | one-time |
| ダイヤモンド x 3280 | $19.99 | one-time |
| マンスリーガチャ券パック | $19.99 | one-time |
| 星の島ドリームパック | $22.99 | one-time |
| 星の島ファイルステップパック | $22.99 | one-time |
| 水族館吸血鬼セット・虹（おまけ付き） | $29.99 | one-time |
| マンスリーガチャお得パック | $44.99 | one-time |
| ダイヤモンド x 6480 | $44.99 | one-time |
| ダイヤモンド x 9000 | $59.99 | one-time |
| ダイヤモンド x 12000 | $69.99 | one-time |


### XS Post Agent

[App page](https://appshunter.io/ios/app/xs-post-agent/id6803389756)

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

**In-app purchases:** none


## Frequently asked questions

### Is スタスト 星の島の物語 free?

スタスト 星の島の物語 is free to download, with in-app purchases available.

### Is XS Post Agent free?

XS Post Agent is free to download, with no in-app purchases.

### Do スタスト 星の島の物語 or XS Post Agent have ads?

Neither スタスト 星の島の物語 nor XS Post Agent shows ads.

### Which is updated more often, スタスト 星の島の物語 or XS Post Agent?

スタスト 星の島の物語 ships an update every 5 weeks, and XS Post Agent fortnightly. Most recently, スタスト 星の島の物語 was updated on October 16, 2026 and XS Post Agent on October 10, 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.*