# 121 Health vs Longevity Deck

The clearest difference is in-app purchases: Longevity Deck at none against 121 Health's 2. 121 Health's advantage is ratings volume (73 vs 10) and review sentiment (91% vs 80%). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. 121 Health sells 2 in-app purchases, starting at $10.00 per month. Longevity Deck asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for 121 Health against 4.8 for Longevity Deck. That said, the two scores are not equally well evidenced: 121 Health has 73 ratings behind it against 10, so its average is the more settled of the two. Written reviews are what separate them: 91% of 121 Health's written reviews are positive against 80% of Longevity Deck's.

121 Health ships an update every 3 days, Longevity Deck every 4 days. The most recent releases landed on October 19, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | 121 Health | Longevity Deck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (73 ratings)](https://appshunter.io/ios/app/121-health/id6476523494/reviews) | **[4.8 (10 ratings)](https://appshunter.io/ios/app/longevity-deck/id6753670965/reviews)** |
| Number of ratings | **73** | 10 |
| Positive reviews | **90.7% of reviews** | 80.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 4 days |
| Monetization | Free with in-app purchases | **Free** |
| Size | 131 MB | 78 MB |
| Requires iOS | **17.0** | 18.5 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 17+ |
| Developer | [121Health LLC](https://appshunter.io/developer/1712903051) | [HYPE4MOBILE MALEWICZ I WSPOLNICY SPOŁKA JAWNA](https://appshunter.io/developer/501938616) |

## What reviewers say

### 121 Health

[App page](https://appshunter.io/ios/app/121-health/id6476523494)

This platform analyzes your wearable data using AI to provide personalized longevity plans and health insights. It offers detailed biometric tracking, daily readiness scores, and weekly longevity scores based on extensive scientific research.

**Highlights:** Personalized longevity plans, 100+ longevity-based metrics, Real-time data computation, Daily sleep, activity, and readiness scores, Weekly longevity score, AI-powered biometric chat

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro (Monthly) | $10.00 | per month |
| Pro (Yearly) | $100.00 | per year |

**What reviewers like**

- 💡 Comprehensive health analysis
- 👍 Integrates multiple health data sources
- 🚀 Provides actionable recommendations
- ✨ Innovative longevity score
- 👍 User-friendly interface

**What reviewers complain about**

- 🐛 App crashes frequently
- ❓ Confusing interface
- ⚠️ Longevity score seems bugged
- 🛒 Analysis leads to product purchases
- 🤔 Suspiciously high number of 5-star reviews

**Reported bugs**

- Cannot log in after latest update
- App opens but cannot get past sign-in page
- Blank pages after update
- Sign-in loop after update
- App tends to crash

**Requested features**

- Add widgets for Home Screen
- More social features
- More journeys
- More chat features beyond text
- More insight into longevity score calculation


### Longevity Deck

[App page](https://appshunter.io/ios/app/longevity-deck/id6753670965)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 121 Health free?

121 Health 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, 121 Health or Longevity Deck?

Longevity Deck is rated higher. 121 Health averages 4.8 out of 5 from 73 ratings, while Longevity Deck averages 4.8 from 10 ratings.

### Do 121 Health or Longevity Deck have ads?

Neither 121 Health nor Longevity Deck shows ads.

### Which is updated more often, 121 Health or Longevity Deck?

121 Health ships an update every 3 days, and Longevity Deck every 4 days. Most recently, 121 Health was updated on October 19, 2026 and Longevity Deck on October 13, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*