The Great Lock vs TaskTide
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
The Great Lock
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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!
TaskTide
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TaskTide – your wave of productivity. TaskTide brings structure, focus, and flow to your everyday life. The app helps you break down large projects into manageable steps and complete tasks efficiently – whether you're writing your bachelor's or master's thesis, planning a renovation project, studying for exams, or simply want to keep track of your daily to-dos. Create clear projects, assign tasks with priorities, deadlines, and checklists, and track your progress in a clear, motivating display. Thanks to the integrated Pomodoro timer, you can use your time effectively, work with focus, and at the same time track how much energy you are investing in each goal. TaskTide combines project planning and time tracking in a modern, intuitive design that supports you without overwhelming you. Everything stays synchronized—on iPhone, iPad, Mac, and Vision Pro—so you can stay productive wherever you are. With TaskTide, you can navigate your day with clarity, motivation, and balance—and do what really matters, step by step.
Screenshots
Verdict
The clearest difference is price: TaskTide at Free against The Great Lock's $1.99. The Great Lock's advantage is update cadence (daily vs fortnightly) and iOS requirement (15.1 vs 18.5). On ads, in-app purchases and device support 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
TaskTide is free to download; The Great Lock costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
The Great Lock ships an update daily, TaskTide fortnightly. The most recent releases landed on October 30, 2026 and November 9, 2026 respectively.
| Parameter | The Great Lock | TaskTide |
|---|---|---|
| Price | $1.99 | Free — better |
| Update frequency | Daily — better | Fortnightly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.1 — better | 18.5 |
| Further details — not scored | ||
| Size | 21 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Sohail Hussain | Lennart Huwald |
In-app purchases
The Great Lock
No in-app purchases
TaskTide
No in-app purchases









