ムーンフラグ vs Blue Biscuit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ムーンフラグ
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-こんな人におすすめ- 記録をひと目でみたい コラムや情報は必要ない 自分だけの表現で記録したい アプリのデザインを自分で変更したい 毎日起動するのは面倒、まとめて記入したい 人前で使ってもバレない -機能- 生理を記録できます。 他、自分に合わせたカテゴリを自由に作成・編集できます。 (カテゴリはいくつでも作成できますが、 一覧に表示できるのは生理含めて4つまでです) 点と線(フラグ)で一覧表示できます。 その他のカテゴリはアイコンで表示されます。 カレンダーで確認することができます。 その際、メモも表示することができます。 カレンダーは5枚同時に表示でき、並べて比較することができます。 無料アプリです。下部にバナー広告が表示されます。 通知・シェア(通信)機能はありません。 当アプリは個人の健康状態の記録用アプリです。 健康を増進したり、治療計画を立てるものではありません。 またデータは端末(アプリがインストールされているiPhone,iPad) にのみ、保存されます。アプリを削除するとデータも消えますのでご注意ください。
Blue Biscuit
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Blue Biscuit is an iOS app that allows you to manage your mental health in a fun way by performing daily PHQ-9 assessments. With a simple and user-friendly interface and an engaging reward system, it turns daily mental health checks into something to look forward to. Key Features Earn Biscuits with PHQ-9 Assessments! Perform a PHQ-9 assessment daily to earn a biscuit once a day. Purchase Items with Biscuits! Use the biscuits you’ve collected to purchase in-game items. Boost Biscuit Earnings with Items! Purchased items can increase the number of biscuits you earn. Collect biscuits more efficiently! Record Your Feelings in a Few Words! During the assessment, you can write a short note about your current feelings, helping you reflect on your mental state. View Past Records! Easily check your past assessment results and notes. Get a clear picture of how your mental health has changed over time. Premium Plan Benefits ($4.99 per Month) By subscribing to the Premium Plan, you can double your biscuit earnings and access records from over a month ago. Manage Your Mental Health with Fun! Use Blue Biscuit to take small steps towards your mental well-being every day. The game-like experience makes daily mental health checks enjoyable. Download now to start collecting biscuits and managing your mental health! Term of Use: https://miketako.xyz/posts/bluebiscuit-term/ This app is for reference only and should not replace a doctor's consultation. Please seek medical advice from a qualified healthcare professional.
Screenshots
Verdict
The clearest difference is in-app purchases: ムーンフラグ at none against Blue Biscuit's 1. ムーンフラグ also leads on iOS requirement (12.0 vs 17.0). Blue Biscuit's advantage is update cadence (every 2 days vs every 8 months). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Blue Biscuit sells 1 in-app purchase, starting at $4.99 per month. ムーンフラグ asks for nothing beyond the download.
ムーンフラグ ships an update every 8 months, Blue Biscuit every 2 days. The most recent releases landed on May 15, 2026 and May 16, 2026 respectively.
| Parameter | ムーンフラグ | Blue Biscuit |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 8 months | Every 2 days — better |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 114 MB | 52 MB |
| Age rating | 4+ | 12+ |
| Developer | Sumie Watanabe | Kaito Hiruta |
In-app purchases
ムーンフラグ
No in-app purchases
Blue Biscuit
- Premium Plan$4.991 Month









