Comparison

Lucid vs KnowThyself by 3hBrain

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

Head to head
About

Lucid

This app helps emotionally self-aware individuals untangle their minds and heal patterns. It offers personalized journeys based on CBT and daily guided reflections to foster self-awareness and emotional regulation. It's designed for those feeling overwhelmed or anxious but seeking insight and change.

Highlights
  • Personalized emotional journeys
  • Interactive mini-courses
  • Cognitive Behavioral Therapy (CBT) methods
  • Daily guided reflections
  • AI-powered emotional chat companion (coming soon)
  • Evidence-based practices
Features
Read full description

Untangle your mind. Heal your patterns. Reclaim your calm. This is not another meditation app. Our experience is built for emotionally self‑aware Millennials and Gen Zs who feel overwhelmed, anxious, or stuck—but crave real insight and change. Start with our viral web quiz to uncover emotional patterns like burnout, anxiety, or procrastination. After the quiz, you’ll be invited to subscribe for full access to your personalized journey and all premium features. What You’ll Find Inside: • Personalized Emotional Journeys Interactive mini‑courses rooted in evidence‑based methods like Cognitive Behavioral Therapy (CBT) to help you work with: – Overthinking & Anxiety – Burnout & Exhaustion – Procrastination & Avoidance – Attachment & Self‑Worth Challenges Each path is crafted with a poetic voice and guided structure, helping you build self‑awareness, shift mindset, and rewire emotional habits. • Daily Guided Reflections Receive a fresh, science‑backed journaling prompt every day—curated specifically for your emotional profile. • AI‑Powered Emotional Chat Companion (Coming Soon) Ask questions, get CBT‑aligned reframes, or simply reflect with a compassionate guide trained on your journey. Backed by Psychology • Built on CBT and mindfulness research • Uses practices shown to improve stress, motivation, and emotional regulation • Inspired by apps like Liven, Ahead, and Imprint—reimagined with our own creative soul You’re Not Broken. You’re Growing. This app isn’t about fixing you—it’s about understanding your patterns, gently challenging them, and reconnecting with your emotional core. Who It’s For: • People feeling emotionally overwhelmed but not clinically diagnosed • Burned‑out creatives, perfectionists, people‑pleasers • Self‑aware folks who didn’t stick with meditation or therapy apps • Anyone craving a modern, poetic, science‑based companion for inner growth Privacy & Ethics Your journal entries stay private. You’re never tracked for ads. Your emotional safety is our priority. Payment & Subscription After completing the free quiz, a paid subscription is required to continue using the app’s journeys, daily reflections, and upcoming AI chat companion. Cancel anytime in your Apple ID settings. Terms This app is not a substitute for professional mental health care. If you are in crisis, please seek support from a licensed provider. Apple Standard EULA This application is licensed under Apple’s Standard End User License Agreement, available here: [https://www.apple.com/legal/internet-services/itunes/dev/stdeula/](https://www.apple.com/legal/internet-services/itunes/dev/stdeula/)

About

KnowThyself by 3hBrain

Features
Read full description

KnowThyself by 3hBrain is an interactive neuroscience-based learning app that empowers you with simple, practical knowledge to take charge of your brain, body, and mental wellness. Built on the groundbreaking insights of the book “Healthy, Happy, Helpful”, this program helps you understand the fundamentals of your physiology, emotions, and cognition—so you can develop resilience, build self-awareness, and live a healthier, more balanced life. Whether you're navigating stress, anxiety, burnout, or emotional ups and downs, KnowThyself gives you the tools and confidence to shift from surviving to thriving. Why This Program Works KnowThyself is rooted in fundamental neuroscience, anatomy, and psychology—translated into easy-to-understand lessons, relatable visuals, and real-life applications. This isn't another wellness trend or pop-psychology hack. It’s science-based, grounded, and designed to integrate effortlessly into your daily life. Through self-guided interactive learning, you’ll discover how your thoughts, feelings, and behaviors are shaped by brain chemistry, body signals, and identity patterns—and how to influence them with knowledge. The Program Is Divided into 3 Core Modules Basics of Anatomy and Biochemistry Learn how your brain and body communicate through neurons, hormones, and neurotransmitters—and how small changes in lifestyle can optimize this process. Physiology and Chemistry of Feelings Understand the roots of stress, anxiety, and emotional highs and lows. Discover the biological basis of feelings and how you can influence them naturally. Cognition and Self-Identity Explore how your brain creates thoughts, beliefs, and your sense of self. Learn how identity forms and how you can reshape your mindset for a healthier inner life. Why This Is For You You feel stuck, lost your spark, or constantly overwhelmed You’ve gone through a dramatic or stressful life change You’re seeking to improve your mental well-being in a holistic, science-backed way You want to understand yourself better and take control of your emotions You're tired of pseudoscientific advice and want grounded tools for real change Why Now? The world has entered an era of collective uncertainty, stress, and emotional overload. More than ever, people need practical mental wellness tools that go beyond surface-level advice. According to the National Center for Health Statistics (NCHS), antidepressant use in individuals aged 12 and older increased by 400% between 1988 and 2008—and the number has only risen since. Meanwhile, modern society is experiencing a rise in emotional disconnection, radical ideologies, and misleading wellness trends. KnowThyself by 3hBrain offers a powerful counterbalance: evidence-based education, emotional literacy, and cognitive empowerment. Understanding your own biology and mental processes is one of the most powerful things you can do to regain control over your life, your health, and your future. Why It’s Important Your brain is the most powerful tool you have—and understanding how it works is the first step toward mastering it. Without a solid foundation in how your own mind and body operate, you're more likely to fall victim to misinformation, burnout, and emotional instability. Our society is in urgent need of real, science-based mental health support—and it starts with education. KnowThyself helps individuals reconnect with their biology, emotions, and sense of meaning in a deeply human way. With just a few minutes a day, you can unlock insights that could change the way you think, feel, and live. Features Interactive bite-sized lessons Practical exercises rooted in neuroscience and psychology Designed for all levels—no science background required Self-paced, immersive learning journey Offline access and progress tracking

Screenshots

Lucid4 screens
KnowThyself by 3hBrain4 screens

Verdict

The call

The clearest difference is price: Lucid at Free against KnowThyself by 3hBrain's $2.99. KnowThyself by 3hBrain's advantage is in-app purchases (none vs 9). On ads, 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

CostPrice · In-app purchases · Ads · Monetization

Lucid is free to download; KnowThyself by 3hBrain costs $2.99 up front. Lucid sells 8 in-app purchases, starting at $9.99 per year. KnowThyself by 3hBrain asks for nothing beyond the download.

Scorecard2 real differences · 8 level
Lucid versus KnowThyself by 3hBrain: the parameters behind the verdict, then further details
ParameterLucidKnowThyself by 3hBrain
PriceFree — better$2.99
Rating4.6 (60 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings60 — better—
Update frequencyEvery 3 days—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.1
Further details — not scored
Size63 MB20 MB
Age rating4+4+
DeveloperControl. Alt. Delete. LLC3HBRAIN, LLC

In-app purchases

8 purchases

Lucid

Subscriptions7
  • Premium$9.991 Year
  • Premium$11.991 Year
  • Yearly Plan$12.993 Months
Show 4 more
  • Premium$25.993 Months
  • Premium2 variants$29.991 Year
  • Premium$39.991 Year
  • Premium$59.991 Year
One-time1
  • Premium$199.99
None

KnowThyself by 3hBrain

No in-app purchases

Questions

Is Lucid free?
Lucid is free to download, with in-app purchases available.
Is KnowThyself by 3hBrain free?
KnowThyself by 3hBrain costs $2.99, with no in-app purchases.
Do Lucid or KnowThyself by 3hBrain have ads?
Neither Lucid nor KnowThyself by 3hBrain shows ads.

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