The Great Lock-In
Sohail Hussain Productivity iPhoneiPadiPod touch
The Great Lock-In is a paid Productivity app for iPhone and iPad by Sohail Hussain. Requires iOS 15.1. Updated September 11, 2025.
- Price
- 1.99 USD
- on the App Store
- Size
- 21 MB
- Age 4+
- Updated
- Sep 11
- 2025 · v1.0.4
Screenshots
About The Great Lock-In
Welcome to The Great Lock-In - your companion for the scientifically-backed 120-day habit formation journey. Research shows it takes an average of 120 days to form a lasting habit. The Great Lock-In guides you through this transformative journey with powerful tools and daily motivation. KEY FEATURES: • 120-Day Challenge - Track your progress through the proven habit formation timeline • Multiple Habit Tracking - Build several positive habits simultaneously • Daily Check-ins - Stay accountable with quick, easy progress updates • Smart Reminders - Never miss a day with customizable notifications • Beautiful Analytics - Visualize your journey with insightful charts • Journal & Reflection - Document your thoughts and breakthroughs • Focus Mode - Dedicated sessions for deep work and productivity • Dark Mode - Easy on the eyes during evening check-ins • Data Export - Keep your progress safe with backup options WHY THE GREAT LOCK-IN? • Science-Based: Built on research showing 66 days for habit formation • Simple Yet Powerful: Clean interface that doesn't overwhelm • Privacy First: Your data stays on your device • One-Time Purchase: No subscriptions, lifetime access • Continuous Updates: Regular improvements and new features Whether you want to exercise daily, meditate, read more, or build any positive habit, The Great Lock-In provides the structure and motivation you need to succeed. Join people who have transformed their lives one day at a time. Your 66-day journey to lasting change starts now!
What’s new
Version 1.0.4 · Updated September 11, 2025
Improved onboarding.
App privacy
The developer, Sohail Hussain, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| The Great Lock-In | – | 1.99 USD | September 11, 2025 | |
| VoiceNoteX: Audio to Notes | – | Free | Dec 18, 2025 | Compare |
| Alined: Habit Tracker | 5.0 / 5 (5) | Free | Oct 12, 2026 | Compare |
| Animation Sketch Pro | 4.2 / 5 (5) | 9.99 USD | Feb 16, 2026 | Compare |
| focus timer & tracker - foku. | 5.0 / 5 (4) | Free | Oct 2, 2025 | Compare |
| Animatoon Pro | 5.0 / 5 (6) | 9.99 USD | Jan 27, 2026 | Compare |
| Control - LLM Interface | 5.0 / 5 (3) | Free | Nov 6, 2025 | Compare |
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