LockStudy vs Greatest Common Divisor PRO
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
LockStudy
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A moment of real focus can change your whole day.β¨ Start your flow with LockStudy β a study timer that combines app lock, an app blocker, and smart reports for better deep work. LockStudy helps you stay on track by reducing distractions with phone lock features, and lets you review progress with study report insights and usage stats. β‘ LockStudy Key Featuresβ¨ β¦ Start your flow your way: study timer / pomodoro / deep work β¨ β¦ Block distractions: app blocker + app lock (phone lock) for SNS, YouTube, and more β¨ β¦ Build a custom session that matches your goals and routineβ¨ β¦ Quick start anytime with widgets β¨ β¦ Keep a clear session history with comments for each focus block β¨ β¦ See your progress with a weekly study report and usage stats β¨ β¦ Stay consistent with a simple goal tracker that turns focus into results β‘ Perfect For β¦ Anyone who loses focus even with a plan β¦ Those whose routines break because of SNS or YouTube β¦ People who want a clear record of study time and focus sessions β¦ Students, workers, or creators who need consistent deep work β¦ Anyone who wants a simple tool that helps you focus right now No more worrying when distractions break your focus.β¨LockStudy guides you through Focus β Log β Report, helping you reach your goals. β¨Create todayβs session and start with a 25-minute pomodoro now. LockStudy offers a monthly auto-renewable subscription and a one-time lifetime purchase. A 7-day free trial may be available for eligible users, and pricing may vary by country or region. You can manage or cancel your subscription anytime in the app settings. Terms of Use (EULA) & Privacy Policy: https://leeward-ferret-9bb.notion.site/lockstudy-terms-of-service-privacy-policy-en
Greatest Common Divisor PRO
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Finish your homework instantly. Prepare for exams without stress. Complete step-by-step solutions. Enter your numbers and calculate the greatest common divisor (GCD). HOW IT WORKS Enter your numbers into the appropriate fields and get started. You'll receive the solution instantly and can share it with friends or classmates. YOUR PERSONAL DATA We don't need it. Only anonymous data is collected, for example: - which features are used - how many solutions are generated This helps us improve the app. It is not possible to identify you from this data. EXTRAS - Prime factorization - Using divisors - Euclidean algorithm - Curated learning videos - Feedback for incorrect input - Manage your own solutions - App introduction CONTACT Questions and feedback are always welcome via Discord or directly in the app review.
Screenshots
Verdict
The clearest difference is in-app purchases: Greatest Common Divisor PRO at none against LockStudy's 2. Greatest Common Divisor PRO also leads on iOS requirement (15.0 vs 17.6). On price, ads 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
Both are free to download. LockStudy sells 2 in-app purchases, starting at $1.99 per month. Greatest Common Divisor PRO asks for nothing beyond the download.
| Parameter | LockStudy | Greatest Common Divisor PRO |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | β |
| Ads | No | No |
| In-app purchases | Yes | No β better |
| Devices | iPhone, iPad | iPhone, iPad, iPod β better |
| Requires iOS | 17.6 | 15.0 β better |
| Further details β not scored | ||
| Size | 8 MB | 179 MB |
| Age rating | 4+ | 4+ |
| Developer | Glanz Studio | Glindemann, Sennoun, Langer GbR |
In-app purchases
LockStudy
- LockStudy Pro Monthly7 Days trial$1.991 Month
- LockStudy Pro Lifetime$22.99
Greatest Common Divisor PRO
No in-app purchases
Questions
Is LockStudy free?
Is Greatest Common Divisor PRO free?
Do LockStudy or Greatest Common Divisor PRO have ads?
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