Comparison

Caffeine vs Frank's Caffeine Tracker

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Caffeine

Easily monitor your daily caffeine consumption and stay within your limits. Track your intake, log drinks with one tap, and customize your beverage list. Stay aware of your habits and make informed decisions about your caffeine intake.

Highlights
  • Effortless tracking of daily caffeine intake
  • One-tap logging for frequent drinks
  • Create custom drinks
  • Mark favorite drinks for quick access
  • iOS widget for at-a-glance monitoring
  • Apple Watch app for on-the-fly logging
  • Apple Watch complications for intake tracking
Features
Read full description

Caffeine gives you a clear picture of your daily caffeine intake. Whether you’re cutting back or simply keeping track, log your drinks, set your daily limit, and follow your habits from your iPhone or Apple Watch. • iPhone Duo Support: Ready on day one, with full support for every layout and orientation. • Your Day at a Glance: See today’s intake, compare it with yesterday, and check how much remains within your daily limit. • Quick Logging: Repeat recent drinks with one tap and keep your favorites close at hand. • Custom Drinks: Add your own drinks with the caffeine amounts and serving sizes that work for you. • History and Trends: Review past entries and see how your intake changes over time. • Home Screen Widgets: Check your daily intake at a glance with gauges that match the app. • Apple Watch: Log drinks from your wrist and keep your daily intake visible with watch face complications. • Make It Yours: Choose a color theme with a matching app icon. A little more awareness with every cup.

About

Frank's Caffeine Tracker

Read full description

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

Caffeine4 screens
Frank's Caffeine Tracker4 screens

Verdict

The call

The clearest difference is update cadence: Frank's Caffeine Tracker at fortnightly against Caffeine's every 12 months. Frank's Caffeine Tracker also leads on iOS requirement (15.1 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Caffeine ships an update every 12 months, Frank's Caffeine Tracker fortnightly. The most recent releases landed on October 24, 2026 and November 8, 2026 respectively.

Scorecard2 real differences · 7 level
Caffeine versus Frank's Caffeine Tracker: the parameters behind the verdict, then further details
ParameterCaffeineFrank's Caffeine Tracker
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 12 monthsFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPod
Requires iOS26.015.1 — better
Further details — not scored
Size42 MB37 MB
Age rating4+17+
DeveloperA I M, Inc.Frank Gerritse

In-app purchases

None

Caffeine

No in-app purchases

None

Frank's Caffeine Tracker

No in-app purchases

Questions

Is Caffeine free?
Caffeine is free to download, with no in-app purchases.
Is Frank's Caffeine Tracker free?
Frank's Caffeine Tracker is free to download, with no in-app purchases.
Do Caffeine or Frank's Caffeine Tracker have ads?
Neither Caffeine nor Frank's Caffeine Tracker shows ads.
Which is updated more often, Caffeine or Frank's Caffeine Tracker?
Caffeine ships an update every 12 months, and Frank's Caffeine Tracker fortnightly. Most recently, Caffeine was updated on October 24, 2026 and Frank's Caffeine Tracker on November 8, 2026.

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