QuizScreen vs Diametree

Turn distracting screen time into a moment of learning with QuizScreen. QuizScreen lets you choose distracting apps to block. When you want to open one, complete a short quiz to unlock it for your selected duration. Blocking is powered by Apple's Screen Time frameworks, and your selected app tokens remain private to the system. HOW IT WORKS 1. Authorize Screen Time access. 2. Choose the individual apps you want QuizScreen to block. 3. Tap a blocked app inside QuizScreen and complete a short quiz. 4. Unlock the app for 15 minutes, 30 minutes, 1 hour, 1 day, or permanently. 5. Finite unlocks are automatically re-blocked when their time expires. FREE FEATURES • Core app blocking with no unlock limit • Every unlock duration • More than 100 randomized offline questions • General Knowledge, Math, English, and History quiz packs • Basic streak and completion totals • No account required QUIZSCREEN PREMIUM Premium adds optional learning tools: • AI-generated quiz questions • Custom quiz topics and difficulty • Create, edit, and activate custom quizzes • Detailed quiz history • Achievements and advanced progress insights Your saved custom quizzes remain visible if Premium expires and become editable again when access is restored. DESIGNED FOR FOCUS • Explicit app selection keeps blocking understandable and predictable • Built-in quizzes work without an internet connection • Screen Time authorization status and subscription controls remain accessible in Settings • Dynamic Type, VoiceOver labels, and Reduce Motion support • Your quiz history and preferences are stored locally on your device PRIVACY QuizScreen does not require an account and does not sell personal information. Screen Time selections are handled using Apple's privacy-preserving Family Controls framework. Premium AI requests send the selected quiz topic and difficulty to OpenRouter to generate questions. QuizScreen also uses RevenueCat for subscription management, Firebase Remote Config for app configuration, and Bugsnag for crash diagnostics. See our Privacy Policy for details. REQUIREMENTS • iOS 17 or later • Screen Time authorization is required for app blocking • Internet access is required for AI-generated questions and subscription operations; built-in quizzes work offline Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. You can restore purchases and manage your subscription from QuizScreen Settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.quizscreen.app/privacy

This application uses LiDAR technology to detect a tree trunk and calculate its DBH (diameter at breast height), a standard forestry measurement taken 1.30 meters above the base. The app accurately captures depth and dimensional data to quickly and non-invasively assess the tree’s thickness. An auto-renewable subscription funds ongoing server features: secure cloud processing, multi-device sync/backup, and regular updates to AI parameters/content. These server-side features remain available while the subscription is active. Sign-in is required because captures are processed on our servers to enable cloud processing, per-account quotas, and audit logs. Terms of use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/