NapBest vs Vertical Jump Trainer

NapBest is the smartest nap timer on your iPhone. Fall asleep naturally — NapBest does the rest. AUTO MODE (Apple Watch required) NapBest listens for the moment you actually fall asleep using your Apple Watch's sleep data. The moment sleep is detected, your timer starts automatically. No guessing. No fumbling with a timer when you're already drowsy. MANUAL MODE No Apple Watch? No problem. Set your duration, tap Start, and put your phone down. NapBest handles the rest. SCIENCE-BACKED DURATIONS Choose from four research-based nap lengths: • 20 min — Power nap. Light sleep only, zero grogginess. • 30 min — Recovery nap. Boosts alertness and mood. • 90 min — Full sleep cycle. Memory consolidation and creativity. • 2 hrs — Extended rest. Deep regeneration. Or set your own custom duration from 5 to 240 minutes. AN ALARM THAT ACTUALLY WAKES YOU NapBest plays a real alarm sound — not just a notification tap. Audio plays at full volume even when your phone is on silent, so you actually wake up. CUSTOMIZABLE ALARM Pick your preferred sound (Digital, Gentle, or Classic) and set the volume. Preview each sound before you commit. WORKS IN THE BACKGROUND Lock your screen, put your phone down, and rest. NapBest runs quietly in the background and will wake you at the right time. PRIVACY FIRST Your sleep data never leaves your device. NapBest reads directly from Apple Health — no accounts, no servers, no tracking.

Add inches to your vertical jump — no gym, no coach, no guesswork. Record one jump. AI grades your form A–F. Get a personalized plyometric program that continuously adapts as you get stronger — built around your sport, equipment, and goals. JumpKit is the personal jump coach that fits in your pocket. Whether you're chasing your first dunk, a louder spike, or a faster first step, your program evolves with you — every re-test reshapes your training so you keep progressing instead of plateauing. WHAT YOU GET • Instant AI form grade (A–F) with frame-by-frame breakdown of your jump • A personalized program that continuously adapts to your latest results • Progressive overload applied automatically, like a real strength coach would • Sport-specific plans for basketball, volleyball, track & field, football, soccer • Plyometric, strength, and mobility workouts with video demos • Scheduled re-tests to measure your gains and refresh your program • Equipment-flexible: bodyweight only, home gym, or full gym HOW IT WORKS 1. Onboard — tell us your sport, equipment, and target vert 2. Record — film one jump from the side, get your AI form analysis 3. Train — follow your personalized plan with video-guided workouts 4. Re-test — prove your gains and unlock a fresh, harder program built on your latest results WHO IT'S FOR • Basketball players chasing their first dunk • Volleyball players adding inches to their approach jump and spike reach • Track & field athletes building explosive power • Football and soccer athletes who need a faster first step • Anyone who wants a smarter way to jump higher WHY JUMPKIT WORKS Most jump programs are static PDFs. JumpKit adapts. Your program rebuilds itself around your latest test results — applying progressive overload like a real strength coach would, scaling volume and intensity to where you actually are, not where you started. TRY FREE 3-day free trial on the annual plan ($99.99/year after trial). Monthly available at $19.99/month — no trial. Subscriptions auto-renew unless canceled 24 hours before the period ends. Manage or cancel anytime in iPhone Settings › Subscriptions. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.vertaiapp.com/privacy