Math Challenge by 0011.uk vs LockStudy

Math Challenge improves mental arithmetic through quick timed rounds. You answer questions across addition, subtraction, multiplication, division, and mixed challenges. Designed for children aged 4 to 11 and useful for adults who want faster calculation skills. Key points: • Timed challenges that build speed and accuracy • Multiple difficulty levels • Leaderboard to track your progress • Works offline • Clean interface for fast play You get: • Faster mental math • Stronger number confidence • Short focused sessions that fit into busy days

A moment of real focus can change your whole day.
 Start your flow with LockStudy — 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. □ LockStudy Key Features
 ◦ Start your flow your way: study timer / pomodoro / deep work 
 ◦ Block distractions: app blocker + app lock (phone lock) for SNS, YouTube, and more 
 ◦ Build a custom session that matches your goals and routine
 ◦ Quick start anytime with widgets 
 ◦ Keep a clear session history with comments for each focus block 
 ◦ See your progress with a weekly study report and usage stats 
 ◦ Stay consistent with a simple goal tracker that turns focus into results □ Perfect For ◦ Anyone who loses focus even with a plan ◦ Those whose routines break because of SNS or YouTube ◦ People who want a clear record of study time and focus sessions ◦ Students, workers, or creators who need consistent deep work ◦ Anyone who wants a simple tool that helps you focus right now No more worrying when distractions break your focus.
LockStudy guides you through Focus → Log → Report, helping you reach your goals. 
Create today’s 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