Zuva vs Nightpenny

Most habit apps track everything. Zuva tracks what matters: the small daily habits that research links to a longer, healthier life. BUILT ON SCIENCE, NOT WILLPOWER Zuva guides you through a 4-week protocol that introduces a few habits at a time — morning sunlight, daily movement, an earlier last meal, a consistent sleep schedule. You unlock the next week by being consistent, not by rushing ahead. After week 4, the protocol adapts to you. YOUR BIOLOGICAL AGE, FRONT AND CENTER Zuva Age estimates your biological age from your habits and Apple Health data — and shows it improving as you stay consistent. Progress you can feel, and a number you can watch move. AN AI COACH THAT KNOWS YOUR DAY Ask anything about your protocol, your sleep, your streak. The coach answers with your real data in front of it — and checks in every week with what worked and what to fix. HABITS THAT VERIFY THEMSELVES Connect Apple Health and Zuva automatically confirms your steps, workouts, sleep and mindful minutes. Less tapping, more living. WIND DOWN, NOT DOOMSCROLL Evening wind-down mode and app blocking help you protect your sleep from your phone. Your screen time drops; your sleep improves. EVERYTHING ELSE YOU NEED • Fasting timer with Live Activity on your lock screen • Streaks, badges and 30-day challenges • Daily 1-minute micro-lessons that explain the why behind every habit • Journal with on-device dictation and AI prompts • Weekly reports, trends and health insights • Home Screen widgets and an Apple Watch app • Partner accountability — share your protocol with someone who keeps you honest • iCloud sync and full privacy: your health data stays on your device ZUVA PRO The first protocol week is free, forever. Zuva Pro unlocks the full protocol, the AI coach, biological age tracking, app blocking, challenges and more. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the period. Manage or cancel anytime in your App Store account settings. Terms of Use: https://www.one4studio.com/zuva/terms Privacy Policy: https://www.one4studio.com/zuva/privacy Start today. Your future self is counting on you. Zuva is for general wellness and education only. It is not a medical device and does not provide medical advice, diagnosis or treatment. Always seek the advice of your doctor or another qualified health professional alongside using this app, and before making any medical decisions or changes to your health routine.

Your sleep is a running balance. Good nights deposit, short nights withdraw. Pennie, a warm copper piggy bank, shows where you stand and walks you through a quiet weekly ritual to catch back up. No hustle. No optimization. No shame. Just a quiet weekly ritual and a number that tells you where you stand. FROM A NIGHT'S SLEEP TO A SUNDAY HABIT • PASSIVE TRACKING Pennie reads sleep from Apple Health. You sleep, we count. No extra hardware, no fiddly logging. • A RUNNING 14-NIGHT BALANCE A signature 270° gauge shows your balance: hours owed, hours banked. Updated every morning. • THE SUNDAY RITUAL Three quiet minutes every Sunday. A statement of the week, one line from Pennie, and a repayment plan you actually want to follow. • REPAYMENT PLAN, ON YOUR PACE Pick Gentle (+30 min/night), Steady (+1 hour), or Ambitious (+1.5 hours). Bedtime events sync to Apple Calendar in one tap. • FORECAST WITHOUT THE FEAR See the next 30 nights at your current pace, plus a typical-dip heatmap of where your energy historically wobbles. Patterns, never predictions. • APPLE WATCH + WIDGETS Six widget families: small, medium, large, lock-screen circle, rectangle, inline. A wrist app and complications that keep your balance one flick away. • WEEKLY SHARE CARD Tap the gauge on Sunday to export a five-second vertical clip of your week. Strava-grade restraint. Share Pennie without sharing numbers you'd rather keep. WHAT WE'RE NOT Not a medical device. Nightpenny does not diagnose, treat, or prevent any condition. Not a pressure cooker. No streaks to break. No red alerts. Debt is a number, not a character flaw. Not a data broker. Sleep stays on your phone. No server, no ads, no data sold. Analytics is opt-in and never carries numeric sleep values. THE SCIENCE, QUIETLY Balance is computed using a 14-night rolling sum (Van Dongen et al. 2003), with surplus above 1h discounted at 40% (recovery is slower than accumulation, per the Sleep Foundation), and clamped at −8 hours. Full methodology lives inside the app, in Settings → About. PRICING Free • Current balance + last 7 nights • Pennie's daily greeting Premium • Full 14-night ledger • The Sunday Ritual + Calendar sync • Repayment Plan + 30-night Forecast • All six widgets, share card, Apple Watch app • Rich notifications and the full Pennie speech library $6.99 / month (billed today, no trial) $59.99 / year (14-day free trial, save 30%) Built by Foxtaming, an indie studio of one. Questions, weather reports, or sleep stories: contact@nightpenny.com. Terms of Use (EULA): https://nightpenny.com/terms · Privacy: https://nightpenny.com/privacy