Comparison

Longevity Deck vs O'lin

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

Head to head
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 160+ 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.

About

O'lin

Features
Read full description

O’lin is a clean and simple intermittent fasting tracker designed to help you stay consistent and build healthier habits over time. Whether you’re following 16:8, 18:6, OMAD, or a custom fasting schedule, O’lin gives you the tools to track your routine and understand your progress — without distractions. FEATURES • Fasting schedules — adjust fasting and eating windows to fit your lifestyle • Progress & patterns — understand your fasting habits over time • BMI & weight tracking — track weight with helpful context • Minimal design — focused, calm, and easy to use • One-time purchase — no subscriptions O’lin is built for people who value simplicity, clarity, and consistency. Fast with intention. Stay consistent with O’lin.

Screenshots

Longevity Deck4 screens
O'lin4 screens

Verdict

The call

The clearest difference is in-app purchases: Longevity Deck at none against O'lin's 1. Longevity Deck also leads on update cadence (every 4 days vs monthly) and iOS requirement (18.5 vs 26.0). 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. O'lin sells 1 one-off in-app purchase. Longevity Deck asks for nothing beyond the download.

UpkeepUpdate frequency

Longevity Deck ships an update every 4 days, O'lin monthly. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.

Scorecard3 real differences · 7 level
Longevity Deck versus O'lin: the parameters behind the verdict, then further details
ParameterLongevity DeckO'lin
PriceFreeFree
Rating4.8 (10 ratings) — better—
Positive reviews80.0% of reviews—
Number of ratings10 — better—
Update frequencyEvery 4 days — betterMonthly
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.5 — better26.0
Further details — not scored
Size78 MB3 MB
Age rating17+4+
DeveloperHYPE4MOBILE MALEWICZ I WSPOLNICY SPOŁKA JAWNAEduard Novohatsky

In-app purchases

None

Longevity Deck

No in-app purchases

1 purchases

O'lin

One-time1
  • O’lin Lifetime$19.99

Questions

Is Longevity Deck free?
Longevity Deck is free to download, with no in-app purchases.
Is O'lin free?
O'lin is free to download, with in-app purchases available.
Do Longevity Deck or O'lin have ads?
Neither Longevity Deck nor O'lin shows ads.
Which is updated more often, Longevity Deck or O'lin?
Longevity Deck ships an update every 4 days, and O'lin monthly. Most recently, Longevity Deck was updated on October 13, 2026 and O'lin on October 7, 2026.

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