Comparison

Caffeine App vs 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 App

Track your caffeine intake from various beverages and monitor your hydration levels. Visualize your caffeine curve over 24 hours and receive notifications for your optimal sleep time. Integrates with Apple Health and Apple Watch for seamless logging and data syncing.

Highlights
  • Log caffeine from coffee, tea, and energy drinks
  • Visualize 24-hour caffeine curve
  • Calculate optimal sleep time
  • Track daily water intake
  • Apple Watch logging and complications
  • Apple Health integration
  • iCloud sync
Features
Read full description

How much caffeine is still in your body? When can you fall asleep? Are you drinking enough water? Caffeine App gives you the answers — at a glance. Caffeine Tracking • Log every coffee, tea, espresso, energy drink, or mate • Scrollable 24-hour timeline shows your caffeine curve • See how much caffeine is currently in your system • Create custom drinks with individual caffeine amounts Optimal Sleep Time • Caffeine App calculates when you're ready to sleep • Get notified when your sleep time is reached • Set your personal caffeine limit and desired sleep time Water Tracking • Track your daily water intake with personalized goals • Customizable reminders to stay hydrated • Beautiful charts for caffeine and water consumption Apple Watch • Log caffeine and water right from your wrist • Daily charts for caffeine and water • Complication shows your optimal sleep time More Features • Apple Health integration — caffeine and water entries stay in sync • iCloud sync across all your devices • Dynamic Type for optimal readability • URL scheme support

About

Caffeine Tracker

Features
Read full description

Caffeine Tracker: Caffi helps you understand exactly how caffeine affects your body, your energy, and your sleep. Most people drink coffee on autopilot. Caffi changes that. Log every cup, shot, or energy drink in seconds and watch your personal caffeine curve come to life. See how long your last espresso will keep you wired, when your focus will peak, and the exact moment caffeine stops protecting your sleep. This caffeine tracker is built around your biology, not averages. Caffi calculates your personal half-life based on your habits, age, and weight, then predicts your sleep cliff so you know your last safe drink time every single day. KEY FEATURES - Personal half-life calculation tuned to your body - Sleep cliff prediction so you stop caffeine at the right time - Apple Watch HRV integration for recovery insights - Beautiful caffeine curve showing real-time levels - One-tap logging for coffee, espresso, tea, energy drinks, and more - Custom drinks with your exact caffeine amounts - Streaks to build healthier caffeine habits - Siri Shortcut for instant logging - Home Screen widgets for at-a-glance tracking - Apple Watch app and complications - Apple HealthKit integration - Sleep Loops to protect your nights - Studio and Mixer for personalized tracking - Dark mode and full iCloud sync WHY CAFFI Most caffeine tracker apps just count milligrams. Caffi shows you the curve, predicts the crash, and tells you when to stop. It is the caffeine tracker built for people who care about both performance and sleep. Whether you want to cut back, optimize your morning routine, or simply understand why some afternoons feel different than others, Caffi gives you the data and the clarity to make better choices. CAFFI PRO Unlock the full caffeine tracker experience with Pro: - Unlimited custom drinks - Advanced sleep insights and HRV trends - Full history and export - Premium widgets and complications - All future Pro features included Try Pro free for 7 days. Then $7.99 per year or $14.99 lifetime. Subscriptions auto-renew unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your Apple ID settings. Privacy Policy: https://arytec.ch/privacy Terms of Use: https://arytec.ch/terms

Screenshots

Caffeine App4 screens
Caffeine Tracker4 screens

Verdict

The call

Caffeine App and Caffeine Tracker are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Caffeine App sells 1 one-off in-app purchase and Caffeine Tracker sells 2 in-app purchases, starting at $8.99 per year. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Caffeine App ships an update monthly, Caffeine Tracker every 5 weeks. The most recent releases landed on August 28, 2026 and September 11, 2026 respectively.

ScorecardNo meaningful differences
Caffeine App versus Caffeine Tracker: the parameters behind the verdict, then further details
ParameterCaffeine AppCaffeine Tracker
PriceFreeFree
Rating4.6 (340 ratings) — better—
Positive reviews73.7% of reviews—
Number of ratings340 — better—
Update frequencyMonthly — betterEvery 5 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, Apple Watch, Vision ProiPhone, iPad, Apple Watch
Requires iOS18.017.0 — better
Further details — not scored
Size17 MB4 MB
Age rating4+4+
DeveloperOleg MuellerLiridon Tahiraj

Bugs and requests

Caffeine App

Reported bugs

10 issues
  • Sleep ready time displays current time instead of predicted sleep time
  • Cannot rename custom amounts until after adding them
  • Newly added custom amounts appear at bottom of list
  • Health app data from third-party apps not syncing
  • All presets missing in some versions
Show 5 more
  • HealthKit integration broken in certain versions
  • Shift work time differential not processed correctly
  • Outdated caffeine data for Dunkin Donuts beverages
  • Graphics update delays causing app unresponsiveness
  • Watch app loading issues on initial launch

Requested features

20 requests
  • Toggle option to disable bar chart visualization
  • Taller graph display area with scrolling capability
  • Personalization based on body weight and metabolism
  • Ounce-based measurement options for drinks
  • Multi-day and historical trend analysis
Show 15 more
  • Siri Shortcuts integration for automated logging
  • Today widget for quick access
  • Mood and energy level tracking
  • More granular unit adjustments (fractions of shots)
  • Expanded beverage library (Monster Java, Sheetz coffee, K-cups, etc.)
  • Custom coffee group creation without preset requirements
  • Apple Watch complications showing current caffeine levels
  • Watch app graph visualization
  • Headache threshold level tracking
  • Future-looking graph projections
  • Water consumption tracking integration
  • Ability to rename custom amounts before adding
  • Custom amounts appearing at top of list instead of bottom
  • Shift work schedule support
  • Average daily caffeine statistics

Caffeine Tracker

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Caffeine App

One-time1
  • Unlock Pro$4.99
2 purchases

Caffeine Tracker

Subscriptions1
  • Caffi Pro Yearly7 Days trial$8.991 Year
One-time1
  • Caffi Pro Lifetime$4.99

Questions

Is Caffeine App free?
Caffeine App is free to download, with in-app purchases available.
Is Caffeine Tracker free?
Caffeine Tracker is free to download, with in-app purchases available.
Do Caffeine App or Caffeine Tracker have ads?
Neither Caffeine App nor Caffeine Tracker shows ads.
Which is updated more often, Caffeine App or Caffeine Tracker?
Caffeine App ships an update monthly, and Caffeine Tracker every 5 weeks. Most recently, Caffeine App was updated on August 28, 2026 and Caffeine Tracker on September 11, 2026.

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