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当前在 Apple 公共 App Store 页面可见的项目，可能不等同于 App Store Connect 中的完整目录。
来源：Apple 公共 App Store 页面 · 仅包含公开可见项目
Master the art of deck clocking with timed practice drills.
Deck clocking is a technique used by card experts to identify a missing card from a deck through rapid mental calculation. DeckClocker helps you develop and sharpen this skill with focused practice sessions.
FEATURES
Timed Drills — Scroll through a spread of cards while a timer tracks your speed. Tap when you've identified the missing card.
Drill Mode — A 60-second speed quiz to practice the mental math. Answer as many as you can before time runs out.
Customizable Settings — Practice with red or black cards, full deck or half, and choose your preferred scroll direction.
Instant Feedback — See your times and verify your answers immediately.
Whether you're learning the technique for the first time or refining your speed, DeckClocker provides the focused practice you need.
根据最新观测到的 App Store 数据快速解答。
最新观测到的下载价格为 免费。请打开 App Store 官方链接确认当前结算价格。
Apple 公开页面目前在该商店显示 0 个购买项目，公开列表可能不完整。
