Tarn. vs Aster

A private health journal that puts your privacy first. YOUR DATA, YOUR DEVICE Everything you log stays on your phone. No accounts. No cloud. No servers. Your health data is encrypted with a PIN only you know. SIMPLE TRACKING • Log daily entries with minimal effort • Track patterns over time • View predictions based on your history • Add notes and custom symptoms BUILT FOR PRIVACY • All data encrypted on your device • No internet connection required • No analytics or tracking • Open source - verify our claims yourself SECURE BY DESIGN • PIN protection with automatic data protection • Optional safety PIN for emergencies • Choose your app icon for discretion Whether you're tracking for health awareness, planning purposes, or personal records, Tarn gives you a simple, private way to understand your patterns without compromising your data. No subscriptions. No ads. No data collection. Just a journal that respects your privacy.

Aster helps you make sense of perimenopause and menopause. Log your symptoms in seconds, connect Apple Health, and turn months of data into clear patterns you can share with your doctor. WHY ASTER • Built for the transition years (ages 35 to 55), not just period tracking • Log 24 menopause-specific symptoms with severity in under 30 seconds • Syncs sleep, HRV, resting heart rate, steps, weight and cycle data from Apple Health, with no retyping • 100% on-device. Your health data never leaves your phone. TRACK WHAT MATTERS • Hot flashes, night sweats, insomnia, brain fog, anxiety, joint pain and more • Daily mood, energy and lifestyle tags (caffeine, alcohol, exercise, stress) • HRT, medication and waist measurements • A calendar history of every day PREMIUM INSIGHTS • Symptom Burden score with a clear severity band and monthly trend • Severity heatmap and time-of-day patterns • Personal patterns: how sleep, HRV and activity are associated with your symptoms • Cycle insights with a next-period window and transition cues • A before-and-after view comparing your symptoms around HRT changes • One-tap Doctor Report PDF for your next appointment PRIVATE BY DESIGN Everything is computed on your device. No accounts, no servers, no ads, and your data is never sold. Aster is a wellness and tracking app. It is not a medical device and does not provide medical advice or a diagnosis. Always consult a qualified clinician about your health. ASTER PREMIUM Unlocks insights, correlations and the doctor report. • Monthly: $7.99 • Annual: $49.99, with a 30-day free trial Payment is charged to your Apple ID. Subscriptions automatically renew unless turned off at least 24 hours before the end of the current period. Manage or cancel anytime in your App Store account settings. Terms of Use: https://www.velorahealth.io/aster/terms Privacy Policy: https://www.velorahealth.io/aster/privacy