Caffix vs Frank's Caffeine Tracker
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Caffix
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Most people drink caffeine every day, but almost nobody manages it. CafFix changes that.Ā Tell us your goal, better sleep, sharper energy, or just staying within your daily limit, and we'll build a caffeine plan around your body, your schedule, and your life. Your personalized caffeine limit: Forget the generic "400mg a day" advice. CafFix calculates your exact daily limit based on your body weight and age, so your goal actually means something. Know when to stop automatically: Based on your bedtime, CafFix tells you your caffeine cutoff time every single day. So you stop guessing why you can't fall asleep. Three goals. One app. * Sleep Better - optimize your caffeine cutoff for deeper rest * Optimize Energy - time your intake for peak performance * Just Track It - stay under your daily safety limit Always with you: Live Activities on your lock screen and a home screen widget mean you never have to open the app to know where you stand. Built around your week: Different bedtime on weekends? CafFix adapts your caffeine windows day by day. Finally, a caffeine tracker that works as hard as your morning coffee.
Frank's Caffeine Tracker
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Coffee is great, but are you drinking too much of it? Is caffeine ruining your sleep? This intelligent caffeine tracker answers these questions with the help of science, helping you find the perfect balance between energy and rest. What makes this special: Unlike simple caffeine trackers, this app uses advanced pharmacokinetic models that consider your unique biology - age, weight, genetics, pregnancy status, and more - to predict exactly how caffeine affects YOU. Key Benefits: ⢠Personalized predictions - See when caffeine will peak and when it'll clear your system ⢠Sleep protection - Automatic warnings before caffeine disrupts your rest ⢠Health insights - Track patterns, detect withdrawal, prevent overconsumption ⢠Zero privacy invasion - All calculations happen on your device, no data is shared ⢠Optional Apple Health integration ⢠Scientifically accurate - Based on peer-reviewed research on caffeine metabolism Features that matter: - Instant caffeine level calculations - Real-time (estimated) blood concentration graphs and predictions - Smart notifications for optimal timing and sleep protection - Track your sleep quality: Log how you slept each morning and discover how caffeine affects your sleep - Weekly analytics showing consumption patterns and trends - Support for special conditions (pregnancy, genetics, liver function) - Custom drink library for your favorite beverages - Beautiful, accessible interface with dark mode - Complete data export for personal records. Your data is yours. Perfect for anyone who wants: - Better sleep quality, optimized energy levels, reduced caffeine anxiety, pregnancy-safe monitoring, shift work support, or simply conscious consumption. - Transform your relationship with caffeine. Start your journey to better energy and sleep today. This app provides educational information and estimates. Always consult healthcare professionals for medical decisions.
Screenshots
Verdict
The clearest difference is iOS requirement: Frank's Caffeine Tracker at 15.1 against Caffix's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Caffix ships an update every 3 weeks, Frank's Caffeine Tracker fortnightly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | Caffix | Frank's Caffeine Tracker |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Fortnightly ā better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 26.0 | 15.1 ā better |
| Further details ā not scored | ||
| Size | 314 MB | 37 MB |
| Age rating | 17+ | 17+ |
| Developer | Tunde Timea Bartha | Frank Gerritse |
In-app purchases
Caffix
No in-app purchases
Frank's Caffeine Tracker
No in-app purchases
Questions
Is Caffix free?
Is Frank's Caffeine Tracker free?
Do Caffix or Frank's Caffeine Tracker have ads?
Which is updated more often, Caffix or Frank's Caffeine Tracker?
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