Duck's Dream vs Shellog
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
Shellog
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What kind of turtle is your posture? One side photo answers in sixty seconds. THE SIXTY-SECOND TECH NECK TEST No sign-up. You get a posture score and the turtle your posture makes: Phone Navigator, Monitor Explorer, Perfect Balance Master. Keep it as a card and send it to a friend. Spend the day in front of a screen and your neck is the first thing to drift forward. Shellog wakes it up in seven minutes a day. Scute is the turtle your posture makes: every class you finish straightens him a little and lands a plate on his shell. TWO THINGS A DAY A ten-second body check and one short class. Fill both and the day is done; your first activity of the day adds a plate. Seven plates make a week, three fill it, and every day you show up your streak grows. CLASSES COME IN SERIES Tech Neck Reset with Scute and Open Up Rounded Shoulders with Somi, five classes each, seven minutes per class. A pelvis series with Pelvy is on the way. Shellog picks your next class for you. ONCE A WEEK, A POSTURE CHECK-IN Two photos, front and side, in about a minute. You get a score with a one-word read, the change since last time, and a ring for each area: neck, shoulders and pelvis. Scute takes on your posture, and your next series is chosen from it. A POND WITH FRIENDS Your friends' turtles live on your home screen, and a small star shows who showed up today. You see how each other stand, and a tap sends one nudge. A weekly pond ranking counts plates, not scores, and first place wins one thing: a golden lily pad next week. A BODY-CHECK TIMELAPSE One selfie a day from the same angle, and a month becomes a single card. Your selfies stay on your phone. A REMINDER, ONLY IF YOU WANT ONE After your first class of the day, one tap sets a daily reminder. If you used BodyBalancer: posture check-ins continue, and your past measurements stay at bodybalancer.app. Shellog is not a medical device and does not diagnose, treat, cure, or prevent any medical condition. Results are for reference only. Please consult a healthcare professional for medical advice, diagnosis, or treatment.
Screenshots
Verdict
The clearest difference is in-app purchases: Shellog at none against Duck's Dream's 10. Shellog also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement 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. Duck's Dream sells 10 in-app purchases, starting at $4.99 per month. Shellog asks for nothing beyond the download.
Both ship on a similar rhythm, roughly every 4 days. The most recent releases landed on October 23, 2026 and October 14, 2026 respectively.
| Parameter | Duck's Dream | Shellog |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 94.1% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 4 days | Every 4 days |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone | iPhone |
| Requires iOS | 16.6 | 16.4 — better |
| Further details — not scored | ||
| Size | 133 MB | 69 MB |
| Age rating | 4+ | 12+ |
| Developer | minsoo kim | Minseo Ko |
In-app purchases
Duck's Dream
- Premium$4.991 Month
- 아이템 4종$0.99
- 500 Diamonds$1.99
- 1,000 Diamonds$3.99
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- 아이템 4종 5세트$3.99
- 아이템 4종 5세트, 하트 10개$5.99
- 5,000 Diamonds$6.99
- Dream Pass$6.99
- 10,000 Diamonds$11.99
- 20,000 Diamonds$19.99
Shellog
No in-app purchases









