Caffeine Tracker vs Chalytics

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.

Chalytics turns your WhatsApp chats into beautiful posters, insights and meaningful summaries. All processed privately on your device. Explore the story behind your conversations with elegant visualisations, message statistics, emoji breakdowns and timelines. Whether you want to reflect on your friendships, celebrate an anniversary, or turn a chat into a personalised gift, Chalytics makes it simple, private and visually stunning. Supports both one-on-one chats and WhatsApp group chats (up to 10 participants). ● Turn WhatsApp Chats into Posters Generate a clean, modern poster that summarises your entire chat history. Perfect for printing, framing or sharing with someone special. ● Analyse Your Conversations Chalytics reveals the patterns hidden in your messages: • Message frequency over time • Emoji usage and trends • Reply times and longest streaks • Busiest days, months and years • Relationship milestones and timelines ● Full Dashboard Explore your chat from every angle with an interactive dashboard that shows message trends, emoji insights and activity patterns across months and years. ● Fun Chat Quiz Test how well you know your chat with personalised quiz questions based on your real data. Guess who sends more messages, who replies faster and when your chat is most active. ● 100% Private – All Analysis Happens Offline Chalytics does not upload, store or transmit your chat data. There are: no servers no cloud processing no accounts no tracking Everything runs directly on your device, and you can even use the app in airplane mode. ● Perfect for Personalised Gifts Turn your chat into: • printed posters • postcards • anniversary gifts • memory book inserts • keepsake cards A unique way to celebrate friendships, relationships or long-term group chats. ● One-Time Purchase Chalytics is a simple one-time purchase. No subscriptions, no ads and no hidden costs. Chalytics is an independent tool and is not associated with, sponsored by, or endorsed by WhatsApp or Meta. The app only processes chat data that users export directly from WhatsApp.