Comparison

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.

Head to head
About

ムーンフラグ

Features
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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。

About

Blue Biscuit

Features
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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

ムーンフラグ4 screens
Blue Biscuit4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 3 level
ムーンフラグ versus Blue Biscuit: the parameters behind the verdict, then further details
ParameterムーンフラグBlue Biscuit
PriceFreeFree
Update frequencyEvery 8 monthsEvery 2 days — better
AdsYesYes
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better17.0
Further details — not scored
Size114 MB52 MB
Age rating4+12+
DeveloperSumie WatanabeKaito Hiruta

In-app purchases

None

ムーンフラグ

No in-app purchases

1 purchases

Blue Biscuit

Subscriptions1
  • Premium Plan$4.991 Month

Questions

Is ムーンフラグ free?
ムーンフラグ is free to download, with no in-app purchases.
Is Blue Biscuit free?
Blue Biscuit is free to download, with in-app purchases available.
Do ムーンフラグ or Blue Biscuit have ads?
Both ムーンフラグ and Blue Biscuit show ads.
Which is updated more often, ムーンフラグ or Blue Biscuit?
ムーンフラグ ships an update every 8 months, and Blue Biscuit every 2 days. Most recently, ムーンフラグ was updated on May 15, 2026 and Blue Biscuit on May 16, 2026.

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