Comparison

Clarity 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

Clarity

This app helps you understand the impact of caffeine on your sleep, energy, and focus. Log your intake quickly and visualize how caffeine's half-life affects your daily cycles and nighttime rest.

Highlights
  • Fast caffeine logging
  • Caffeine half-life tracking
  • Sleep and recovery insights
  • Focus and energy analysis
  • Daily and weekly insights
Read full description

Clarity is the simplest way to understand caffeine's real impact on your sleep, energy, and focus. Log your intake fast and see how caffeine's half-life affects your entire day — from your 2PM coffee to your nighttime sleep cycles. • Fast caffeine logging and visualization • Caffeine half-life tracking and prediction • Athletes: see how caffeine affects your sleep and recovery • Focus and energy insights, daily and week-by-week Understand your 3PM crash. Improve your sleep by seeing your caffeine carry-over. Use caffeine deliberately, not accidentally. By using this app, you agree to Apple's Terms of Use (https://www.apple.com/legal/internet-services/itunes/dev/stdeula/) and our Privacy Policy.

About

Caffeine Tracker

Features
Read full description

How much caffeine is actually in your body right now? Coffy answers that with a live half-life curve — not a list of cups you drank and forgot about. WATCH IT LEAVE YOUR SYSTEM Every drink you log is plotted on a real metabolic curve. Coffy shows the milligrams still active in your body at this moment, and tunes the half-life to your own sensitivity: 4, 5 or 7 hours. YOUR CUT-OFF TIME Set your bedtime and Coffy works out the last safe cup of the day — the point after which you would still be above the 50 mg sleep threshold when your head hits the pillow. It also projects how many mg you will have left at bedtime, before you pour the next one. TAPER INSTEAD OF QUITTING COLD TURKEY Pick a starting point and a goal, and Coffy builds a weekly taper plan — around 50 mg less each week — then tracks you against this week's target. Cut back without the headaches. Pause or adjust the pace whenever life gets in the way. NUMBERS YOU CAN ACTUALLY TRUST Caffeine values come from USDA FoodData Central, the FDA and peer-reviewed studies, and every drink shows you its source. Espresso, americano, latte, cappuccino, cortado, macchiato, mocha, matcha, tea, cola and energy drinks are built in — add your own for anything else. WATER TOO Track glasses of water alongside your caffeine, with gentle reminders through the day. HISTORY THAT MEANS SOMETHING Week, month and year views, your daily average, how it compares with the period before, and how many days you went over your limit. Day streaks and badges for days under your limit and nights with no late cup. REMINDERS THAT RESPECT YOUR SLEEP A cut-off alert, water reminders and an evening check-in — each one switchable. APPLE HEALTH & CSV Sync your caffeine intake to Apple Health, and export everything to CSV whenever you want it. Coffy is not trying to make you quit. It is here so you can time it right: full energy when you need it, clean sleep when you want it. Payment & Subscription Information: - Payment is charged to your Apple Account at confirmation of purchase. - Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. - Your account is charged for renewal within 24 hours prior to the end of the current period. - You can manage your subscriptions and turn off auto-renewal in your account settings after purchase. - No refund is provided for the unused portion of a subscription. Privacy Policy: https://desing304.github.io/caffeine-tracker-legal/privacy.html Terms of Use: https://desing304.github.io/caffeine-tracker-legal/termsofuse.html

Screenshots

Clarity4 screens
Caffeine Tracker4 screens

Verdict

The call

The clearest difference is iOS requirement: Caffeine Tracker at 16.4 against Clarity's 18.0. On price, update cadence, ads and in-app purchases 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. Clarity sells 2 in-app purchases, starting at $2.99 per month and Caffeine Tracker sells 3 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Clarity ships an update every 2 weeks, Caffeine Tracker weekly. The most recent releases landed on October 16, 2026 and October 29, 2026 respectively.

Scorecard1 real difference · 9 level
Clarity versus Caffeine Tracker: the parameters behind the verdict, then further details
ParameterClarityCaffeine Tracker
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 2 weeksWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhoneiPhone, iPad — better
Requires iOS18.016.4 — better
Further details — not scored
Size25 MB79 MB
Age rating17+4+
DeveloperNexus NexusEMIR YAVCIN

In-app purchases

2 purchases

Clarity

Subscriptions2
  • Clarity Plus - Monthly3 Days trial$2.991 Month
  • Clarity Plus - Yearly$19.991 Year
3 purchases

Caffeine Tracker

Subscriptions2
  • Premium Weekly$3.997 Days
  • Premium Yearly3 Days trial$24.991 Year
One-time1
  • Lifetime Premium$39.99

Questions

Is Clarity free?
Clarity 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 Clarity or Caffeine Tracker have ads?
Neither Clarity nor Caffeine Tracker shows ads.
Which is updated more often, Clarity or Caffeine Tracker?
Clarity ships an update every 2 weeks, and Caffeine Tracker weekly. Most recently, Clarity was updated on October 16, 2026 and Caffeine Tracker on October 29, 2026.

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