Mastermind vs Lock In
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Mastermind
This app provides a personalized habit-building system based on behavioral psychology. It assesses your needs, creates a scalable habit sequence, and offers daily coaching and progress tracking to foster lasting life changes.
- Personalized habit assessment
- Progressive habit scaling
- Daily coaching and insights
- Real-time progress tracking
- Gamified progress system
- Evidence-based habit library
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Struggling with consistency or direction? Mastermind offers a personalized habit-building system to help you transform your life in 90 days. More than just a habit tracker—it's your personal development companion designed for lasting change. HOW MASTERMIND WORKS 1. Personalized Assessment Complete our psychology-based quiz covering Focus, Discipline, Physical Health, Confidence, Wisdom, and Relationships. Mastermind creates a custom habit sequence tailored to your current performance and goals. 2. Progressive Habit Building Start with manageable daily habits that automatically scale in difficulty. Each week introduces new challenges while building on your existing progress, preventing overwhelm and ensuring sustainable growth. 3. Daily Coaching & Insights Receive personalized daily insights and micro-adjustments based on your progress. Smart prompts adapt to your performance levels, providing strategic guidance when you need it most. 4. Real-Time Progress Tracking Monitor your improvement across all life dimensions with detailed analytics. See your percentile ranking compared to others in your demographic and watch it climb week by week. WHY MASTERMIND WORKS Science-Based Approach Built on behavioral psychology and proven habit formation research. Our progressive overload system uses the same principles that help professional athletes achieve peak performance. 25+ Evidence-Based Habits Choose from morning, daytime, and evening routines including meditation, exercise, reading, sleep optimization, social media limits, journaling, and relationship building—all timed for maximum impact. Gamified Progress System Earn XP points, unlock achievements, and celebrate milestones. Your personal progress tree grows with every positive choice, making self-improvement genuinely addictive. Beautiful, Intuitive Design Clean interface optimized for daily use with quick-add functionality, dark mode, and seamless device syncing. Built for busy schedules and real-world consistency. PERFECT FOR Anyone who has struggled with consistency in self-improvement, tried other habit apps without lasting results, or seeks a systematic approach to personal development. Whether you're a professional seeking peak performance or someone ready to make serious positive changes. WHAT OUR USERS ARE SAYING "Finally, a habit app that actually understands my psychology. The personalized approach makes all the difference." "I've tried dozens of habit trackers. Mastermind is the first one that's helped me build habits that actually stick long-term." "The progressive difficulty scaling is genius. I never feel overwhelmed, but I'm always being challenged to grow." "Seeing my percentile ranking improve week by week keeps me incredibly motivated. It's like having a personal scoreboard for life." ——————— SUBSCRIPTIONS AND TERMS Mastermind offers full access to all features, including personalized daily quests, custom insights, and mastery tracking, through a premium subscription plan. If you choose to purchase a subscription, payment will be charged to your Apple ID at confirmation. Your subscription will automatically renew unless canceled at least 24 hours before the end of the current period. You can manage or cancel your subscription anytime in your App Store settings. Before subscribing, you’ll be able to preview your personalized plan and explore limited features. A subscription is required to unlock the full experience. Mastermind is not a substitute for professional advice or treatment. It provides general guidance to support self-improvement, productivity, and personal growth. Please consult a qualified professional if you are seeking medical, psychological, or therapeutic support. Use of the app is subject to your own discretion and unique needs. Privacy Policy: https://www.withmastermind.com/privacy Terms of Service: https://www.withmastermind.com/terms
Lock In
This app gamifies self-improvement by turning habit building into a 66-day quest. It offers challenges, streak protection, and XP-based progress to help users level up in real life. Focus on building good habits and breaking bad ones with quick feedback and visible wins.
- 66-day habit lock-in cycles
- Gamified streaks, XP, and rewards
- Quest-based habit setup
- Bad habit cooldown tracking
- Progress dashboards
- Daily check-ins with streak protection
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Lock In for 75 Days: gamified self‑improvement that turns your life into the main quest. Step into “the great lock in”—a focused 75‑day season where you commit to your habits, protect your streaks, and level up in real life, not just on screen. Say goodbye to vague goals and forgotten resolutions. Lock In for 75 Days helps you build and break habits with game-like challenges, streak protection, and XP-style progress designed for Gen‑Z users who want quick feedback, visible wins, and long-term transformation. Why Lock In for 75 Days hits different · 75‑day lock‑in cycles so habits actually stick · Gamified streaks, XP, levels, and rewards · Focus on real-life stats: energy, focus, discipline · Build good habits and weaken bad ones in the same system What you’ll get 1). Quest-based habit setup for building or quitting habits 2). 66‑day “Lock In” seasons with a live countdown 3). Daily check-ins with streak shields and comeback boosts 4). Bad habit cooldown tracking and trigger awareness logs 5). Progress dashboards with levels, XP, and milestone rewards 6). Gentle nudges, smart reminders, and reflection prompts How it fits into your day · 2–10 minute daily check-ins · Flexible reminders that match your schedule · No extra gear, just your phone and your commitment · Beginner-friendly with simple, swipe-based logging With Lock In for 75 Days, some users feel more focused and consistent within the first week, with major streaks, stronger discipline, and lifestyle shifts often emerging between weeks 4–10 and locking in by day 75 and beyond. *Individual results vary based on consistency, environment, and overall lifestyle. Ready to stop grinding only in games and start leveling up in real life? Start your great lock in today, protect your streak, and see who you can become in 75 days. Subscription details: · All core features require an active subscription. · Subscription pricing and terms are shown clearly in the app before you confirm. · You can manage or cancel your subscription at any time in your account settings. By using the app, you confirm that you acknowledge and accept our Terms of Use and Privacy Policy: Terms of Use: https://www.privacypolicies.com/live/694babf3-9ecf-4cac-b825-b4fa597d1f94 Privacy Policy: https://privacy.starlightapps.net/
Screenshots
Verdict
Mastermind and Lock In both sit at 4.6 stars, but that hides the real split: 64% of Mastermind's written reviews are positive against 20% of Lock In's. Mastermind also leads on iOS requirement (15.1 vs 18.0). On price, rating, ratings volume and update cadence 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. Mastermind sells 9 in-app purchases, starting at $9.99 per 7 days and Lock In sells 3 in-app purchases, starting at $17.99 per month. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.6 for Mastermind against 4.5 for Lock In. Both are backed by a comparable volume of ratings — 53 and 73 respectively. Written reviews are what separate them: 64% of Mastermind's written reviews are positive against 20% of Lock In's.
Mastermind ships an update monthly, Lock In every 3 weeks. The most recent releases landed on October 23, 2026 and October 30, 2026 respectively.
| Parameter | Mastermind | Lock In |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (53 ratings) — better | 4.5 (73 ratings) |
| Positive reviews | 63.6% of reviews — better | 20.0% of reviews |
| Number of ratings | 53 | 73 — better |
| Update frequency | Monthly | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 18.0 |
| Further details — not scored | ||
| Size | 75 MB | 71 MB |
| Age rating | 4+ | 4+ |
| Developer | MYKS Labs Inc. | Starlight Ltd. |
Customer experience
Mastermind
Lock In
In-app purchases
Mastermind
- Mastermind: Self Improvement$9.997 Days
- Mastermind: Self Improvement$14.991 Month
- Mastermind: Self Improvement$19.991 Month
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- Mastermind: Self Improvement$29.991 Year
- Mastermind: Self Improvement$34.993 Months
- Mastermind: Self Improvement$39.991 Year
- Mastermind: Self Improvement7 Days trial$39.991 Year
- Mastermind: Self Improvement2 variants$49.991 Year
- Mastermind: Self Improvement7 Days trial$59.991 Year
Lock In
- Get Monthly Premium!$17.991 Month
- Get Yearly Premium!$19.991 Year
- Get Yearly Premium!3 Days trial$29.991 Year









