Comparison

Caffeine Intake Tracker Log vs Caffeine Curve

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

Head to head
About

Caffeine Intake Tracker Log

Features
Read full description

Caffeine Intake Tracker helps you monitor your daily caffeine consumption with precision. Easily track caffeine intake in milligrams, understand how much caffeine you consume each day, and stay within safe daily limits. Whether you drink coffee knowing your caffeine intake is essential for better sleep, focus, and overall health. This app makes caffeine tracking simple, clear, and accurate. Key Features • Track daily caffeine intake in exact milligrams (mg) • Monitor safe caffeine limits and avoid overconsumption • Understand your caffeine habits over time • Smart insights based on your daily intake patterns • Fully on-device analysis for privacy and speed • No cloud, no accounts, no data sharing Caffeine Intake Tracker is designed for anyone who wants better control over caffeine consumption. By tracking caffeine daily, you can improve sleep quality, reduce jitters, and build healthier long-term habits. Take control of your caffeine intake and make informed decisions every day. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy and Terms
Access our Privacy Policy and Terms and Conditions directly through the app or online. https://emkapps.com/caffeinetracker-privacy-policy/ https://emkapps.com/caffeinetracker-termsconditions/

About

Caffeine Curve

This app estimates your current caffeine level in real-time by analyzing dietary caffeine entries from Apple Health. It helps you understand how caffeine affects your body throughout the day, aiding decisions about intake and sleep. The interface is designed for quick, clear information.

Highlights
  • Real-time caffeine level tracking
  • Caffeine absorption and elimination model
  • Apple Health integration
  • Lock Screen widget and Home Screen Widgets
  • Peak and sleep indicators
  • Personalized sensitivity profiles
  • Demo mode for exploration
Features
Read full description

Caffeine Curve helps you track your estimated caffeine level in real time. Using your dietary caffeine entries from Apple Health, the app estimates how much caffeine may still be active in your body throughout the day. It uses an absorption and elimination model to give you a more useful picture than intake alone. It is designed for a simple purpose: to give you the most useful caffeine information quickly and clearly. Whether you are deciding on another coffee, trying to stay in a good range for focus, or avoiding caffeine too close to bedtime, Caffeine Curve helps you understand where you stand right now. Features - Track your estimated current caffeine level - See how your caffeine level changes throughout the day - Reads dietary caffeine data from Apple Health - Check your current level from the Lock Screen widget - Understand how long caffeine may remain active - Clean, simple interface designed for quick checks - Rich Home Screen Widgets: Keep an eye on your caffeine levels and daily trends without even opening the app, featuring beautiful charts and gauges - Smart Complications: New rectangular and dial-top complications clearly show the exact time of your next peak or when you’ll be clear for sleep. - Useful Notifications: Get pinged exactly when you hit your caffeine peak or when your system drops below your personalized sleep-ready threshold. - Peak & Sleep Indicators: Know exactly when your coffee hits its peak and precisely when you are cleared for a good night's sleep - Unmatched Personalization: Choose from 5 different sensitivity profiles to perfectly match your unique body chemistry and caffeine decay rate - Try It Demo Mode: Explore the app's full capabilities and stunning visual charts using sample data before committing to logging your own - Beautiful & Customizable Design: Experience a gorgeous new "Liquid Glass" aesthetic that feels right at home on iOS, plus full control over Light/Dark modes and all-new tinted app icons. Caffeine can be logged automatically by other apps that write to Apple Health, or added manually in the Health app under Nutrition > Caffeine. Caffeine Curve is free to use, with no ads and no in-app purchases. It was built from a real daily need: a simple way to understand caffeine levels clearly, quickly, and without unnecessary extras. Important Individual caffeine metabolism varies. Factors such as genetics, liver health, medications, and pregnancy can affect absorption and elimination. Caffeine Curve is for informational purposes only and does not provide medical advice.

Screenshots

Caffeine Intake Tracker Log4 screens
Caffeine Curve4 screens

Verdict

The call

The clearest difference is in-app purchases: Caffeine Curve at none against Caffeine Intake Tracker Log's 2. Caffeine Curve also leads on update cadence (fortnightly vs every 2 months) and iOS requirement (16.6 vs 18.0). On price, ads 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. Caffeine Intake Tracker Log sells 2 in-app purchases, starting at $1.99 per month. Caffeine Curve asks for nothing beyond the download.

UpkeepUpdate frequency

Caffeine Intake Tracker Log ships an update every 2 months, Caffeine Curve fortnightly. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 7 level
Caffeine Intake Tracker Log versus Caffeine Curve: the parameters behind the verdict, then further details
ParameterCaffeine Intake Tracker LogCaffeine Curve
PriceFreeFree
Rating—5.0 (5 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—5 — better
Update frequencyEvery 2 monthsFortnightly — better
AdsNoNo
In-app purchasesYesNo — better
Monetization—Free
DevicesiPhoneiPhone
Requires iOS18.016.6 — better
Further details — not scored
Size14 MB4 MB
Age rating4+4+
DeveloperMustafa KulacHaris Delalic

In-app purchases

2 purchases

Caffeine Intake Tracker Log

Subscriptions2
  • Monthly$1.991 Month
  • Annual$6.991 Year
None

Caffeine Curve

No in-app purchases

Questions

Is Caffeine Intake Tracker Log free?
Caffeine Intake Tracker Log is free to download, with in-app purchases available.
Is Caffeine Curve free?
Caffeine Curve is free to download, with no in-app purchases.
Do Caffeine Intake Tracker Log or Caffeine Curve have ads?
Neither Caffeine Intake Tracker Log nor Caffeine Curve shows ads.
Which is updated more often, Caffeine Intake Tracker Log or Caffeine Curve?
Caffeine Intake Tracker Log ships an update every 2 months, and Caffeine Curve fortnightly. Most recently, Caffeine Intake Tracker Log was updated on October 26, 2026 and Caffeine Curve on October 24, 2026.

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