Longevity Deck vs O'lin
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
O'lin
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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
Verdict
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
Both are free to download. O'lin sells 1 one-off in-app purchase. Longevity Deck asks for nothing beyond the download.
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.
| Parameter | Longevity Deck | O'lin |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (10 ratings) — better | — |
| Positive reviews | 80.0% of reviews | — |
| Number of ratings | 10 — better | — |
| Update frequency | Every 4 days — better | Monthly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.5 — better | 26.0 |
| Further details — not scored | ||
| Size | 78 MB | 3 MB |
| Age rating | 17+ | 4+ |
| Developer | HYPE4MOBILE MALEWICZ I WSPOLNICY SPOŁKA JAWNA | Eduard Novohatsky |
In-app purchases
Longevity Deck
No in-app purchases
O'lin
- O’lin Lifetime$19.99









