Comparison

마인드 부스터 Blue vs Duck's Dream

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

마인드 부스터 Blue

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Mind Booster Blue is a mobile application for office workers to cope with depressive mood. Users can learn and practice strategies to uplift their mood using this app. Mind Booster Blue consists of 28 sessions of training program for depressive mood relieving. Also, it provides convenient tools for monitoring one’s mood and thoughts (Mood graph, Thought diary) and relaxation video/audios. At the beginning of the program, it recommends personalized program through the evaluation process of one’s depressive symptoms. At the end of the training, it provides a report to show how the depressive mood change.

About

Duck's Dream

This app uses your daily behavior patterns to suggest personalized self-care missions. It offers CBT-based guidance and quick puzzle games to help manage mood and build sustainable mental wellness through fun, achievable daily actions.

Highlights
  • Personalized self-care missions
  • CBT-based guidance (QuackTalk)
  • Puzzle game for mood interruption (QuackPop)
  • Behavioral pattern tracking (Mind Chart)
  • Duck customization and leveling
  • Global leaderboard
Features
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Duck’s Dream: Lighthearted Play for a Clearer Mind Everyone has those moments when their mood dips. Therapy can be expensive and hard to keep up with, and most mental health apps feel repetitive or overwhelming. Duck’s Dream is different: it reflects your daily behavior patterns like a mirror and turns them into simple self-care missions—making mental health management fun, easy, and sustainable. [What makes it different] Your behavioral data—like sleep, activity rhythms, and phone use—gently reveals your current state. Based on those signals, the app suggests personalized self-care missions right when you need them. Every mission you complete lets you customize and level up your duck, turning small everyday actions into meaningful emotional progress. [Inside the app] Meet QuackTalk, a short and supportive CBT-based guide that helps reshape unhelpful thoughts and behaviors. When you feel stuck in a negative loop, jump into QuackPop, a quick puzzle game that interrupts spirals and re-energizes you. Your daily check-ins come together in the Mind Chart, where you can see your patterns and progress at a glance. And if you’re competitive, climb the global leaderboard and aim for the top 1%. [Easy to start, simple to keep going] Each day, your AI duck companion asks how you feel and offers one mission tailored to your current mood. Completing it earns you items to customize your duck—and a small win for your mental health. On busy days, it takes just a minute or two. The goal isn’t dramatic change overnight, but small, consistent actions that add up. [Perfect for you if…] You’ve tried counseling but struggled to stay consistent. You’ve downloaded wellness apps but lost motivation quickly. You want something light and playful, yet grounded in CBT principles that actually work. Duck’s Dream is designed to combine fun, practicality, and science—so you don’t have to choose. [Privacy and care] Your mental health matters. All data is protected and fully under your control. Duck’s Dream is a wellness app, not a medical diagnosis or treatment, and it’s built to support daily rhythm and self-care. If you ever feel you’re in crisis, please reach out to local professionals right away. Start small, today. Care for your mind—one mission, one duck at a time. [Premium] - unlimited use of Quack Talk - Everyday item - a steady change of heart - Remove Advertisement You will be charged to your iTunes Apple account when you confirm your purchase or when you end your free period. If you do not terminate the automatic renewal 24 hours before the end of the subscription period, the subscription will be automatically renewed and charged. You can manage subscriptions and terminate automatic renewals in Settings > App Store > Select Apple ID > View Apple ID > Subscribe. Terms: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://be-symple.notion.site/151afb07c3b880c58f72fa008347de4e?source=copy_link

Screenshots

마인드 부스터 Blue4 screens
Duck's Dream4 screens

Verdict

The call

The clearest difference is in-app purchases: 마인드 부스터 Blue at none against Duck's Dream's 4. 마인드 부스터 Blue also leads on iOS requirement (13 vs 16.6). Duck's Dream's advantage is update cadence (every 4 days vs every 15 months). On price 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. Duck's Dream sells 4 in-app purchases, starting at $4.99 per month. 마인드 부스터 Blue asks for nothing beyond the download.

UpkeepUpdate frequency

마인드 부스터 Blue ships an update every 15 months, Duck's Dream every 4 days. The most recent releases landed on September 7, 2026 and September 4, 2026 respectively.

Scorecard3 real differences · 7 level
마인드 부스터 Blue versus Duck's Dream: the parameters behind the verdict, then further details
Parameter마인드 부스터 BlueDuck's Dream
PriceFreeFree
Rating—5.0 (2 ratings) — better
Positive reviews—94.1% of reviews
Number of ratings—2 — better
Update frequencyEvery 15 monthsEvery 4 days — better
Ads—Yes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
Devices—iPhone — better
Requires iOS13 — better16.6
Further details — not scored
Size72 MB149 MB
Age rating12+4+
DeveloperKyong Mee Chungminsoo kim

In-app purchases

None

마인드 부스터 Blue

No in-app purchases

4 purchases

Duck's Dream

Subscriptions1
  • Premium$4.991 Month
One-time3
  • 아이템 4종$0.99
  • 아이템 4종 5세트$3.99
  • 아이템 4종 5세트, 하트 10개$5.99

Questions

Is 마인드 부스터 Blue free?
마인드 부스터 Blue is free to download, with no in-app purchases.
Is Duck's Dream free?
Duck's Dream is free to download, with in-app purchases available.
Which is updated more often, 마인드 부스터 Blue or Duck's Dream?
마인드 부스터 Blue ships an update every 15 months, and Duck's Dream every 4 days. Most recently, 마인드 부스터 Blue was updated on September 7, 2026 and Duck's Dream on September 4, 2026.

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