Comparison

Caffeine Tracker vs Longevity Deck

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

Head to head
About

Caffeine Tracker

Track your caffeine intake and understand its impact on your sleep and health. Get personalized insights, set 'Last Call' reminders, and visualize your consumption trends with detailed charts and widgets.

Highlights
  • Log various caffeine sources
  • Predict caffeine elimination time
  • Set 'Last Call' caffeine reminders
  • Analyze caffeine's impact on sleep
  • Visualize caffeine decline over time
  • Customizable drinks with AI
  • Siri Shortcuts and widgets
Features
Read full description

Alyx is a silly way to track caffeine. Quickly log espresso, lattes or anything else and see how it affects your health, sleep or view other interesting stuff! It uses Apple Health to store your data privately, which means it also syncs with iCloud. Of course, you can log caffeine here. Aside from being a coffee, espresso, energy drink, or general caffeine tracker and journal, there are some interesting things it can do: - Figure out when your body will be caffeine free. - Discover how much caffeine will be in your body at bedtime. - Get your customized "Last Call" for caffeine every day, and set an alarm for it! - See how caffeine consumption impacts the amount of sleep you get. - View how caffeine will decline in your body over the next 12 hours. - See if your caffeine consumption has been trending up or down lately. - Tons of Siri Shortcuts. - Tons of widgets! - Create your own custom drinks, and have AI figure out the caffeine contents! - A Hall of Fame for...caffeine consumption? - Um, what else? Oh, tons of charts! So yeah, you can see how caffeine affects your sleep, overall health, see how much sleep you'll lose, and more. I don't know, it's just a fun app. Download it or don't. Love, Alyx -- SUBSCRIPTION & PREMIUM FEATURES -- Most of Alyx is completely free to use. There are premium features if you upgrade to The Caffeine Club, which includes every widget, adding your own custom drinks, several charts, and sleep forecast features. -- LEGAL -- · View our terms of service here: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ · View our privacy policy here: https://alyxcaffeinetracker.com/privacy/ Subscriptions will be charged to your credit card through your iTunes account. Your subscription will automatically renew unless canceled at least 24 hours before the end of the current period. You will not be able to cancel the subscription once activated. Manage your subscriptions in Account Settings after purchase.

About

Longevity Deck

Track over 125 science-backed health protocols, from sauna and cold plunge to sleep optimization and supplements. Get automatic updates based on the latest research and expert recommendations. Prioritizes user privacy with no account or data collection required.

Highlights
  • Track 125+ science-backed protocols
  • Automatic research updates
  • Visual timeline tracking
  • Privacy-focused, no account needed
  • Optional Apple HealthKit integration
  • Home screen widgets for key metrics
Features
Read full description

Create your personal longevity deck. Track 150+ science backed protocols including sauna, cold plunge, red light therapy, supplements, sleep optimization, and recovery on a visual timeline. STAY CURRENT WITHOUT THE NOISE Every protocol auto updates twice monthly. LongevityDeck scans new research, health podcasts, and expert recommendations from Andrew Huberman, Rhonda Patrick, Tim Ferriss, and leading longevity scientists so you don't waste hours filtering noise. Get the latest on biohacking, anti aging, hormone optimization, and wellness trends automatically. YOUR PRIVACY FIRST HEALTH STACK • No accounts required. No tracking. No data collection. • Optional Apple HealthKit integration for personalized insights on how protocols affect your metrics • 100% free. No paywalls. No subscription. No hidden costs. BUILT BY A BIOHACKER FOR Longevity enthusiasts, biohackers, health conscious professionals, wellness followers, and fans of Huberman Lab, Found My Fitness, Lifespan, and Bryan Johnson. HOW IT WORKS 1. Choose from 125+ curated protocols across recovery, nutrition, supplements, sleep, fitness, cognitive enhancement, and lifestyle optimization 2. Swipe to build your personal protocol deck and stack 3. Get automatic updates when recommendations change based on new research 4. Optional: Join community discussions, read user experiences, and share your longevity stack QUICKLY FIND • Protocols by expert name, benefit, or topic including sleep, focus, recovery, stress reduction, and anti aging • Trending biohacking methods, devices, peptides, and supplements • Source links to original podcasts, papers, and video content SHARE YOUR STACK • Personalized web link to share your full longevity routine • Share individual protocol cards with custom photos HOME SCREEN WIDGET Monitor HRV, resting heart rate, sleep quality, and body fat percentage with color coded weekly trend indicators. Stay motivated without opening the app. IMPORTANT: This app is for informational and educational purposes only. Always consult with your doctor or qualified healthcare provider before making any medical decisions or changes to your health routine.

Screenshots

Caffeine Tracker4 screens
Longevity Deck4 screens

Verdict

The call

The clearest difference is in-app purchases: Longevity Deck at none against Caffeine Tracker's 4. Longevity Deck also leads on review sentiment (100% vs 82%) and rating (5.0 vs 4.8). Caffeine Tracker's advantage is ratings volume (41 vs 9). On price, update cadence, 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 Tracker sells 4 in-app purchases, starting at $1.99 per month. Longevity Deck asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Longevity Deck holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 41 and 9 respectively. Written reviews point the same way: 82% of Caffeine Tracker's written reviews are positive against 100% of Longevity Deck's.

UpkeepUpdate frequency

Caffeine Tracker ships an update every 5 days, Longevity Deck weekly. The most recent releases landed on September 22, 2026 and July 2, 2026 respectively.

Scorecard6 real differences · 4 level
Caffeine Tracker versus Longevity Deck: the parameters behind the verdict, then further details
ParameterCaffeine TrackerLongevity Deck
PriceFreeFree
Rating4.8 (41 ratings)5.0 (9 ratings) — better
Positive reviews82.4% of reviews100.0% of reviews — better
Number of ratings41 — better9
Update frequencyEvery 5 days — betterWeekly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhoneiPhone, iPad — better
Requires iOS26.018.5 — better
Further details — not scored
Size45 MB74 MB
Age rating4+17+
DeveloperDay Well Spent LLCHYPE4MOBILE MALEWICZ I WSPOLNICY SPOLKA JAWNA

Customer experience

Caffeine Tracker

All ratings41 ratings
Positive95.1%
Neutral0.0%
Negative4.9%
Written reviews17 reviews
Positive82.4%
Neutral0.0%
Negative17.6%

Longevity Deck

All ratings8 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

4 purchases

Caffeine Tracker

Subscriptions3
  • Caffeine Club$1.991 Month
  • Caffeine Club Annual$9.991 Year
  • Caffeine Club Annual7 Days trial$9.991 Year
One-time1
  • Caffeine Club: Lifetime$24.99
None

Longevity Deck

No in-app purchases

Questions

Is Caffeine Tracker free?
Caffeine Tracker is free to download, with in-app purchases available.
Is Longevity Deck free?
Longevity Deck is free to download, with no in-app purchases.
Which has better reviews, Caffeine Tracker or Longevity Deck?
Longevity Deck is rated higher. Caffeine Tracker averages 4.8 out of 5 from 41 ratings, while Longevity Deck averages 5.0 from 9 ratings.
Do Caffeine Tracker or Longevity Deck have ads?
Neither Caffeine Tracker nor Longevity Deck shows ads.
Which is updated more often, Caffeine Tracker or Longevity Deck?
Caffeine Tracker ships an update every 5 days, and Longevity Deck weekly. Most recently, Caffeine Tracker was updated on September 22, 2026 and Longevity Deck on July 2, 2026.

Other comparisons