Comparison

Hotshot Caffeine Tracker 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

Hotshot Caffeine Tracker

Features
Read full description

Hotshot is the delightfully fun way to track your caffeine intake and ultimately quit caffeine. With a familiar yet extensive interface, Hotshot makes it easy to track caffeine intake in a single tap. Designed with the latest Apple technologies, entirely built with Swift, and fully embracing Liquid Glass, Hotshot is beautiful, practical, and fun to make tracking your caffeinated beverages a breeze. Many apps offer thousands of options. Many apps aim for perfect accuracy. Hotshot is designed to be easy and fast, because done is better than perfect. Key features of Hotshot: * Track caffeine intake in a single tap. * HealthKit integration so your data is stored safely and securely on device. * Estimate caffeine levels at bedtime. * Monitor estimate caffeine levels throughout the day on a graph. * View day-by-day caffeine intake in a familiar ring-based view. * See a summary each week to motivate you to keep tracking. * Add drinks from an extensive pre-defined library. * Manually adjust caffeine for every submission. * Absolutely no tracking, data collection, or advertising. If you’ve been looking for the perfect way to track and ultimately give up caffeine, then you’ve come to the right place. Hotshot is free with no strings attached.

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

Hotshot Caffeine Tracker4 screens
Caffeine Curve4 screens

Verdict

The call

The clearest difference is update cadence: Caffeine Curve at fortnightly against Hotshot Caffeine Tracker's every 3 months. Caffeine Curve also leads on iOS requirement (16.6 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

Hotshot Caffeine Tracker ships an update every 3 months, Caffeine Curve fortnightly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

Scorecard2 real differences · 8 level
Hotshot Caffeine Tracker versus Caffeine Curve: the parameters behind the verdict, then further details
ParameterHotshot Caffeine TrackerCaffeine Curve
PriceFreeFree
Rating—5.0 (5 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—5 — better
Update frequencyEvery 3 monthsFortnightly — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhoneiPhone
Requires iOS26.016.6 — better
Further details — not scored
Size8 MB4 MB
Age rating4+4+
DeveloperJimbo Works Ltd.Haris Delalic

In-app purchases

None

Hotshot Caffeine Tracker

No in-app purchases

None

Caffeine Curve

No in-app purchases

Questions

Is Hotshot Caffeine Tracker free?
Hotshot Caffeine Tracker is free to download, with no in-app purchases.
Is Caffeine Curve free?
Caffeine Curve is free to download, with no in-app purchases.
Do Hotshot Caffeine Tracker or Caffeine Curve have ads?
Neither Hotshot Caffeine Tracker nor Caffeine Curve shows ads.
Which is updated more often, Hotshot Caffeine Tracker or Caffeine Curve?
Hotshot Caffeine Tracker ships an update every 3 months, and Caffeine Curve fortnightly. Most recently, Hotshot Caffeine Tracker was updated on October 25, 2026 and Caffeine Curve on October 24, 2026.

Other comparisons