Period Tracker vs Solstice

Whether you're tracking your period, trying to conceive (TTC), managing PCOS or endometriosis, or simply wanting to understand your body better — this app gives you the tools to take charge of your cycle, privately and securely. ⌘ PRIVATE BY DESIGN Your health data is deeply personal. Period Tracker includes a password-locked calendar so your cycle history, symptoms, and logs stay completely private. No account required. No data sold to advertisers. ⌘ WHAT YOU CAN TRACK Menstrual flow and cycle length Ovulation day and fertile window Cervical mucus and basal body temperature (BBT) Mood, energy, PMS symptoms Weight, BMI, and sexual activity Birth control and pill reminders ⌘ BUILT FOR REAL CYCLES Irregular cycles? No problem. Whether you have PCOS, endometriosis, or simply unpredictable periods, Period Tracker adapts its predictions to your unique cycle history — not a textbook average. ⌘ TRYING TO CONCEIVE? Pinpoint your fertile days, track your luteal phase and follicular phase, and get daily pregnancy chance insights. Designed for women on a TTC journey who want data, not guesswork. ⌘ SMART REMINDERS Set personalized reminders for your next period, PMS, ovulation, and birth control. Get alerts when your cycle changes unexpectedly.

Track your fasts with elegance, biological precision, and zero clutter. Solstice is an intermittent fasting tracker built with a clean, battery-efficient design. Track your circadian rhythms, monitor real-time metabolic stages (fat burning, autophagy, deep ketosis), and build consistent fasting habits without subscriptions or paywalls. KEY FEATURES: • Elegant Circular Timer: Real-time progress with tactile dial adjustments. • 5 Metabolic Fasting Stages: Understand when your body enters Blood Sugar Reset, Glycogen Depletion, Fat Burning, Autophagy, and Deep Ketosis. • Flexible Fasting Protocols: Choose 16:8, 18:6, 20:4 (Warrior), 14:10, 23:1 (OMAD), or customize your own. • Visual Calendar Heatmap: Glanceable monthly consistency view with active streak counters. • Solar & Dark Mode Themes: Deep midnight OLED dark mode and radiant solar accents. • 100% Private & On-Device: No account required, no ads, no trackers. Your health data stays on your device. DISCLAIMER: Solstice provides general wellness tracking and is not a substitute for professional medical advice. Always consult a healthcare provider before beginning any fasting routine.