Paddlewheel

Productivity

$3.99 · Designed for iPad. Not verified for macOS.

Paddlewheel helps you control your screen time and harness it to accomplish your goals.  Block the apps that distract you, then earn your way back in by answering flashcard quizzes correctly. You can create your own study deck or choose from default decks. Paddlewheel lets you make progress toward your professional, educational, and personal study goals without getting rid of your smart phone. HOW IT WORKS 1. Choose which apps to block (social media, games, etc.) 2. Build or browse flashcard decks on any subject 3. Take a quiz — get enough answers right to unlock your apps 4. Earn 15 minutes to 4 hours of free time 5. When time runs out, apps lock again automatically Your blocked apps stay locked until you prove what you know. It's accountability meets education. BUILT-IN DECK LIBRARY Get started immediately with 50+ pre-built flashcard decks: - Languages: Spanish, French, German, Japanese, Mandarin, Korean, and more - Test Prep: SAT, ACT, GRE, GMAT, LSAT, MCAT - AP Courses: Psychology, Biology, Chemistry, Calculus, US History - Professional: CISSP, CompTIA Security+, PMP, Scrum Master - Military: ASVAB Math, Army Values, Military Ranks - Bible & Scripture: Salvation verses, Psalms, Proverbs, Books of the Bible - General Knowledge: Math, US State Capitals, Chemical Elements Or create your own decks with custom flashcards. Import your own deck if you want. SMART FEATURES - Multiple quiz formats: text input and multiple choice - Fuzzy answer matching so minor typos don't count against you - Spaced repetition (Premium) prioritizes cards you struggle with - Study mode with starred cards and missed card review - Streak tracking to build a daily learning habit - Real-time countdown timer that works even when the app is closed PREMIUM UNLOCKS - Unlimited flashcard decks (free tier: 3 decks) - Full deck library (50+ pre-built decks) - Spaced repetition algorithm for optimized learning - Streak freeze to protect your daily streak - Advanced statistics and progress tracking Paddlewheel uses Apple's Screen Time API to block apps at the system level. Your app selections and data stay on your device — we never see which apps you block. Stop scrolling. Start learning. Let Paddlewheel turn your habits into knowledge.

Ratings & Reviews

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The developer, Andrew Waldrep, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    • Andrew Waldrep
    Size
    • 4.4 MB
    Category
    • Productivity
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • iPad
      Requires iPadOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    • English
    Age Rating
    4+
    Copyright
    • © Paddlewheel 2026
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.

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