# Longevity Deck vs Alinear

The clearest difference is in-app purchases: Longevity Deck at none against Alinear's 3. Longevity Deck also leads on iOS requirement (18.5 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Alinear sells 3 in-app purchases, starting at $2.99 per month. Longevity Deck asks for nothing beyond the download.

Longevity Deck ships an update every 4 days, Alinear every 3 days. The most recent releases landed on October 13, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Longevity Deck | Alinear |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (10 ratings)](https://appshunter.io/ios/app/longevity-deck/id6753670965/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 3 days** |
| Monetization | Free | — |
| Size | 78 MB | 33 MB |
| Requires iOS | **18.5** | 26.0 |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 17+ | 12+ |
| Developer | [HYPE4MOBILE MALEWICZ I WSPOLNICY SPOŁKA JAWNA](https://appshunter.io/developer/501938616) | [Anatolii Nehelia](https://appshunter.io/developer/1863414185) |

## What reviewers say

### 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


### Alinear

[App page](https://appshunter.io/ios/app/alinear-aligner-tracker/id6762312765)

**Features:** Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $2.99 | per month |
| Premium Yearly | $19.99 | per year |
| Premium Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is Longevity Deck free?

Longevity Deck is free to download, with no in-app purchases.

### Is Alinear free?

Alinear is free to download, with in-app purchases available.

### Do Longevity Deck or Alinear have ads?

Neither Longevity Deck nor Alinear shows ads.

### Which is updated more often, Longevity Deck or Alinear?

Longevity Deck ships an update every 4 days, and Alinear every 3 days. Most recently, Longevity Deck was updated on October 13, 2026 and Alinear on October 28, 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.*