Caffeine Tracker vs FriendVault

HalfCup helps you understand your caffeine consumption and sleep better. Know exactly when you'll be sleep-ready based on real caffeine science. TIRED OF BEDTIME ANXIETY? Stop guessing when you can have your last coffee. HalfCup uses proven half-life decay modeling to show you exactly when caffeine will clear your system. You'll see your "sleep-ready by" time after every drink. TRACK EVERYTHING WITH CAFFEINE - Coffee (espresso, latte, cold brew, drip) - Tea (black, green, matcha, chai) - Energy drinks (Monster, Red Bull, Celsius, Bang) - Soda and cola - Pills (Excedrin, caffeine tablets) - Chocolate and gum - Custom drinks you create LOG IN SECONDS Quick-add your favorite drinks with one tap. No tedious searching every time. Support for partial servings (half a can, 2.5oz espresso) and decimal precision. PERSONALIZED TO YOUR METABOLISM Everyone processes caffeine differently. Adjust your half-life (2-10 hours) to match your sensitivity. The app uses a 30-minute absorption window for accurate modeling. VISUAL DECAY CURVE See your caffeine level drop in real-time. Scrub through the timeline to check your levels at any future time. Know if that 3pm coffee will ruin tonight's sleep. HISTORY AND STATISTICS - Today, 7-day, and 30-day views - Daily averages and consumption trends - Peak times analysis - Edit or delete past entries anytime YOUR PRIVACY GUARANTEED 100% offline operation. Zero data collection. No account required. No cloud sync. No analytics or crash reporting. Your health data stays on your device, period. Export as PDF anytime. SET YOUR DAILY LIMITS Configure your bedtime, wake time, and daily caffeine goal (default 400mg FDA maximum). Get warnings when you exceed your limit. ONE-TIME PURCHASE Pay once, own forever. No subscriptions. No ads. No upsells. Just a simple, honest caffeine tracking app. SCIENCE-BASED ACCURACY Built on peer-reviewed caffeine pharmacokinetics. Our database includes accurate caffeine amounts for 250+ drinks. Create custom entries for anything we're missing. BEAUTIFUL DESIGN - Light and dark mode support (automatic or manual) - Clean, intuitive interface - Smooth animations - Choose oz or ml units - Designed for speed WHO IS THIS FOR? - Coffee lovers who want better sleep - Energy drink consumers tracking intake - Anyone with caffeine sensitivity - People trying to reduce caffeine - Students and professionals optimizing productivity - Health-conscious individuals FEATURES AT A GLANCE - Real-time caffeine level calculation - Sleep-ready time indicator - Last safe caffeine time for today - Pre-built database of popular drinks - Non-beverage sources (pills, chocolate) - Favorites system - Partial consumption support - Adjustable half-life (2-10 hours) - Daily limit warnings - Scrubbable decay graph - Comprehensive history - PDF export - Complete offline privacy - No subscription SIMPLE. ACCURATE. PRIVATE. Download HalfCup and take control of your caffeine intake today. MEDICAL DISCLAIMER HalfCup provides informational and educational tools only. It is not intended to provide medical advice, diagnosis, or treatment. Always consult with a qualified healthcare provider before making decisions about your caffeine consumption, especially if you are pregnant, nursing, have a medical condition, or are taking medications.

FriendVault — Your Private Relationship Vault FriendVault is the anti-social network. A private, offline sanctuary for your most important relationships — with no ads, no tracking, and no cloud servers. Just a secure vault for the memories and moments that matter most. We all want to be better friends, but life gets busy. We forget birthdays, lose track of gift ideas, or realize it's been months since we last checked in. FriendVault keeps you present in the lives of the people who matter — without ever compromising your privacy. Know Your People Store everything that makes a relationship meaningful: birthdays, addresses, how you like to stay in touch, and the stories behind your friendship. Organize contacts by relationship tier — Inner Circle, Close Friends, Acquaintances, or Professional — and tag them however makes sense to you. Never Miss a Moment Get notified on birthdays, set custom reminders for any occasion, and let FriendVault gently nudge you when it's been too long since you connected. Set your preferred interaction frequency per person and FriendVault handles the rest. Remember Everything Log every catch-up — in person, calls, texts, video, or email — with notes and mood. Track gift ideas from spark to given. Jot down the things that matter: their favorite book, a story they told, something worth remembering. Your Data Stays Yours Everything lives on your device. No accounts, no cloud sync, no data harvesting. Back up your vault with AES-256 encryption and a PIN of your choice — and restore it anytime, anywhere. Features at a Glance: - Contact profiles with photos, birthdays, addresses & relationship tiers - Custom tags and filters to organize your network your way - Interaction log with type, mood, and notes - Reconnect suggestions when you're overdue to reach out - Birthday & reminder notifications - Gift tracker: from idea to given - Personal notes per contact - Encrypted, compressed local backups - Home screen widgets for upcoming birthdays, reminders & reconnect nudges - Calendar and timeline views - Apple Siri integration - Dark mode, multiple languages, and no account required Try FriendVault for Free Experience the full power of your own private sanctuary with a 14-day free trial. No restricted features, no hidden limits—just total access to help you be a better friend. One-Time Unlock. Own it Forever. If you love the app, a small one-time purchase unlocks FriendVault for life. No monthly subscriptions, no recurring fees, and absolutely no ads. Just a tool that works for you.