# いもうとーく | 妹AIチャットアプリ vs タップガールズ 〜 東方 紅魔館編

The clearest difference is rating: タップガールズ 〜 東方 紅魔館編 at 5.0 against いもうとーく | 妹AIチャットアプリ's 4.5. タップガールズ 〜 東方 紅魔館編 also leads on in-app purchases (none vs 10) and review sentiment (80% vs 52%). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. いもうとーく | 妹AIチャットアプリ sells 10 in-app purchases, starting at $9.99 per month. タップガールズ 〜 東方 紅魔館編 asks for nothing beyond the download.

タップガールズ 〜 東方 紅魔館編 holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews point the same way: 52% of いもうとーく | 妹AIチャットアプリ's written reviews are positive against 80% of タップガールズ 〜 東方 紅魔館編's.

いもうとーく | 妹AIチャットアプリ ships an update every 3 weeks, タップガールズ 〜 東方 紅魔館編 every 2 weeks. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | いもうとーく | 妹AIチャットアプリ | タップガールズ 〜 東方 紅魔館編 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (2 ratings)](https://appshunter.io/ios/app/ai/id6449149386/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/id6761583812/reviews)** |
| Number of ratings | 2 | 2 |
| Positive reviews | 52.4% of reviews | **80.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 207 MB | 167 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 12+ |
| Developer | [AIXIS LLC](https://appshunter.io/developer/1879493586) | [YANASE GAMES, INC.](https://appshunter.io/developer/1426325846) |

## What reviewers say

### いもうとーく | 妹AIチャットアプリ

[App page](https://appshunter.io/ios/app/ai/id6449149386)

Engage in conversations with your ideal virtual sister. Customize her appearance and personality, then chat to deepen your bond. Unlock exclusive illustrations and voice features as your relationship grows.

**Highlights:** AI-powered chat, Customizable sister appearance, Customizable sister personality, Unlockable illustrations, Voice chat features, Relationship building

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月額プラン(スタンダード) | $9.99 | per month |
| 月額プラン(プロ) | $19.99 | per month |
| 2026サマーダイヤ小 | $2.99 | one-time |
| 2026GWダイヤ小 | $2.99 | one-time |
| 2026お年玉ダイヤ小 | $2.99 | one-time |
| 追加性格セット1 - 少女・おっとり・ボーイッシュ | $5.99 | one-time |
| 2026お年玉ダイヤ中 | $19.99 | one-time |
| 2026サマーダイヤ大(SSR確定プレゼント付き) | $29.99 | one-time |
| 2026GWダイヤ大(SSR確定プレゼント付き) | $29.99 | one-time |
| 2026お年玉ダイヤ大(SSR確定プレゼント付き) | $29.99 | one-time |


### タップガールズ 〜 東方 紅魔館編

[App page](https://appshunter.io/ios/app/id6761583812)

Tap to select choices and unlock illustrations. Features artwork and music from "Touhou Project" secondary creations. All gameplay and streaming are permitted with proper attribution.

**Highlights:** Tap-to-unlock illustrations, Features Touhou Project secondary creations, Includes character artwork, Features original BGM arrangements, Permits gameplay streaming

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

**In-app purchases:** none


## Frequently asked questions

### Is いもうとーく | 妹AIチャットアプリ free?

いもうとーく | 妹AIチャットアプリ is free to download, with in-app purchases available.

### Is タップガールズ 〜 東方 紅魔館編 free?

タップガールズ 〜 東方 紅魔館編 is free to download, with no in-app purchases.

### Which has better reviews, いもうとーく | 妹AIチャットアプリ or タップガールズ 〜 東方 紅魔館編?

タップガールズ 〜 東方 紅魔館編 is rated higher. いもうとーく | 妹AIチャットアプリ averages 4.5 out of 5 from 2 ratings, while タップガールズ 〜 東方 紅魔館編 averages 5.0 from 2 ratings.

### Do いもうとーく | 妹AIチャットアプリ or タップガールズ 〜 東方 紅魔館編 have ads?

Both いもうとーく | 妹AIチャットアプリ and タップガールズ 〜 東方 紅魔館編 show ads.

### Which is updated more often, いもうとーく | 妹AIチャットアプリ or タップガールズ 〜 東方 紅魔館編?

いもうとーく | 妹AIチャットアプリ ships an update every 3 weeks, and タップガールズ 〜 東方 紅魔館編 every 2 weeks. Most recently, いもうとーく | 妹AIチャットアプリ was updated on November 7, 2026 and タップガールズ 〜 東方 紅魔館編 on November 5, 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.*