Weight Loss Fasting Timer Lyn vs Longevity Deck
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Weight Loss Fasting Timer Lyn
This app helps you track your intermittent fasting periods with a clean, minimalist interface. It offers customizable timers, timely notifications, and helpful insights into your fasting habits. Widgets and Siri integration provide convenient access to your progress.
- Customizable fasting timer
- Progress notifications
- Home and lock screen widgets
- Fasting pause functionality
- Vital metrics tracking
- Siri and Shortcuts integration
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Lyn is a minimalist intermittent fasting tracker with a clean design and the essential features you need. It fits seamlessly into your routine, makes tracking fasts simple, and proactively provides useful insights. Fasting timer. See clearly how much time remains until you reach your fasting goal or your eating window ends. You can adjust your fasting goal at any time, even during an active fast, if your plans change. Notifications. Lyn notifies you when you reach your goal and when your eating window ends, so you don’t have to keep checking the time. Home Screen and Lock Screen widgets. Keep your progress in view with widgets that show the information that matters most. Fasting pause. Sometimes you need more flexibility in your fasting schedule, such as during holidays or travel. Lyn lets you pause your fasting routine and reminds you to resume it later. Vital metrics. Keep your goal streak for extra motivation and review historical data, including your average eating window length and longest fast. Shortcuts and Siri. Lyn is built exclusively for Apple devices, with deep system integrations. Alongside widgets, you can use Shortcuts to create fasting automations or Siri to start and stop a fast. Privacy policy: https://lyn.software/privacy Terms: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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.
Screenshots
Verdict
The clearest difference is in-app purchases: Longevity Deck at none against Weight Loss Fasting Timer Lyn's 2. Longevity Deck also leads on update cadence (every 4 days vs every 2 months) and ratings volume (10 vs 2). Weight Loss Fasting Timer Lyn's advantage is review sentiment (100% vs 80%) and rating (5.0 vs 4.8). 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. Weight Loss Fasting Timer Lyn sells 2 in-app purchases, starting at $5.99 per year. Longevity Deck asks for nothing beyond the download.
Weight Loss Fasting Timer Lyn holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Longevity Deck has 10 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 100% of Weight Loss Fasting Timer Lyn's written reviews are positive against 80% of Longevity Deck's.
Weight Loss Fasting Timer Lyn ships an update every 2 months, Longevity Deck every 4 days. The most recent releases landed on October 8, 2026 and October 13, 2026 respectively.
| Parameter | Weight Loss Fasting Timer Lyn | Longevity Deck |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | 4.8 (10 ratings) |
| Positive reviews | 100.0% of reviews — better | 80.0% of reviews |
| Number of ratings | 2 | 10 — better |
| Update frequency | Every 2 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 26.0 | 18.5 — better |
| Further details — not scored | ||
| Size | 16 MB | 78 MB |
| Age rating | 12+ | 17+ |
| Developer | Mykola Harmash | HYPE4MOBILE MALEWICZ I WSPOLNICY SPOŁKA JAWNA |
Customer experience
Weight Loss Fasting Timer Lyn
Longevity Deck
In-app purchases
Weight Loss Fasting Timer Lyn
- Lyn Plus Yearly7 Days trial$5.991 Year
- Lyn Plus Lifetime$14.99
Longevity Deck
No in-app purchases
Questions
Is Weight Loss Fasting Timer Lyn free?
Is Longevity Deck free?
Which has better reviews, Weight Loss Fasting Timer Lyn or Longevity Deck?
Do Weight Loss Fasting Timer Lyn or Longevity Deck have ads?
Which is updated more often, Weight Loss Fasting Timer Lyn or Longevity Deck?
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