Comparison

DoTracker vs The Great Lock

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

Head to head
About

DoTracker

Features
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Looking for a task manger and todo list app, DoTracker is the perfect one. If you’ve tried multiple productive apps but haven’t found one that suits you need, give DoTracker a try. This beautiful app let you manage all your tasks in a simple handy way. DoTracker serves a very simple purpose, to easily create, view, edit and track your tasks, so you never missing fleeting ideas and everyday matters. Why you’ll love DoTracer: Minimalist Design: β€’ Eliminating unnecessary elements and simplifying the interface, you are less likely to become frustrated or overwhelmed by too many options or visual distractions Interactive Widgets: β€’ A quick way to view you top tasks without opening the app, and just one tap to mark a task status as completed iCloud Syncing: β€’ Seamless iCloud synchronization across all your devices Customizable Theme: β€’ Providing a more user friendly experience by allow to change background color, font style and size Search & Filter: β€’ Quickly locating related tasks through search and filter feature, especially useful when have a long todo list Dark Mode Switch: β€’ A button to quickly switch dark mode on and off to reduce eye strain and minimize eye fatigue [How to Use]: β€’ Tap β€œ+” button to create a new task β€’ Tap on a row to edit a task β€’ Swipe left on a row to delete a task β€’ Tap the circle on the left to mark a task status as completed β€’ Tap the color dot on the right to change the priority of a task β€’ On a widget, tap the circle on the left to mark a task status as completed

About

The Great Lock

Features
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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: β€’ 120-Day Challenge - Track your progress through the proven habit formation timeline β€’ Multiple Habit Tracking - Build several positive habits simultaneously β€’ Daily Check-ins - Stay accountable with quick, easy progress updates β€’ Smart Reminders - Never miss a day with customizable notifications β€’ Beautiful Analytics - Visualize your journey with insightful charts β€’ Journal & Reflection - Document your thoughts and breakthroughs β€’ Focus Mode - Dedicated sessions for deep work and productivity β€’ Dark Mode - Easy on the eyes during evening check-ins β€’ Data Export - Keep your progress safe with backup options WHY THE GREAT LOCK-IN? β€’ Science-Based: Built on research showing 66 days for habit formation β€’ Simple Yet Powerful: Clean interface that doesn't overwhelm β€’ Privacy First: Your data stays on your device β€’ One-Time Purchase: No subscriptions, lifetime access β€’ 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!

Screenshots

DoTracker4 screens
The Great Lock4 screens

Verdict

The call

The clearest difference is update cadence: The Great Lock at daily against DoTracker's every 2 months. The Great Lock also leads on iOS requirement (15.1 vs 17.0). DoTracker's advantage is price ($0.99 vs $1.99). On ads, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

DoTracker costs $0.99 and The Great Lock $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

DoTracker ships an update every 2 months, The Great Lock daily. Both last shipped on October 30, 2026.

Scorecard3 real differences Β· 3 level
DoTracker versus The Great Lock: the parameters behind the verdict, then further details
ParameterDoTrackerThe Great Lock
Price$0.99 β€” better$1.99
Update frequencyEvery 2 monthsDaily β€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.015.1 β€” better
Further details β€” not scored
Size1 MB21 MB
Age rating4+4+
Developersekleung changSohail Hussain

In-app purchases

None

DoTracker

No in-app purchases

None

The Great Lock

No in-app purchases

Questions

Is DoTracker free?
DoTracker costs $0.99, with no in-app purchases.
Is The Great Lock free?
The Great Lock costs $1.99, with no in-app purchases.
Do DoTracker or The Great Lock have ads?
Neither DoTracker nor The Great Lock shows ads.
Which is updated more often, DoTracker or The Great Lock?
DoTracker ships an update every 2 months, and The Great Lock daily. Most recently, DoTracker was updated on October 30, 2026 and The Great Lock on October 30, 2026.

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