# Kin | Performance Intelligence vs Drift

The clearest difference is in-app purchases: Kin | Performance Intelligence at none against Drift's 2. Kin | Performance Intelligence also leads on iOS requirement (16.0 vs 26.0). Drift's advantage is update cadence (every 2 days vs fortnightly). On price, ads and device support there is nothing between them.

Both are free to download. Drift sells 2 in-app purchases, starting at $5.99 per month. Kin | Performance Intelligence asks for nothing beyond the download.

Kin | Performance Intelligence ships an update fortnightly, Drift every 2 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Kin | Performance Intelligence | Drift |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (5 ratings)](https://appshunter.io/ios/app/drift-longevity-health-coach/id6762292920/reviews)** |
| Number of ratings | — | **5** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 days** |
| Monetization | — | Freemium |
| Size | 56 MB | 35 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 12+ | 17+ |
| Developer | [Kin Wellness AB](https://appshunter.io/developer/1845785387) | [Stationify Oy](https://appshunter.io/developer/1884389808) |

## What reviewers say

### Kin | Performance Intelligence

[App page](https://appshunter.io/ios/app/kin-performance-intelligence/id6753932157)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Drift

[App page](https://appshunter.io/ios/app/drift-longevity-health-coach/id6762292920)

This app estimates your biological age and provides a longevity score using data from your Apple Watch and Apple Health. It offers daily insights into your health, fitness, and recovery, helping you understand what to focus on for a healthier lifestyle. The core features are free, with an optional subscription for deeper analysis.

**Highlights:** Biological age estimation, Longevity score, Daily Drift Score, Fitness Score and strain tracking, Sleep analysis and reminders, Sun exposure UV limit, Personalized health insights

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Longevity Monthly | $5.99 | per month |
| Longevity Yearly | $49.99 | per year |


## Frequently asked questions

### Is Kin | Performance Intelligence free?

Kin | Performance Intelligence is free to download, with no in-app purchases.

### Is Drift free?

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

### Do Kin | Performance Intelligence or Drift have ads?

Neither Kin | Performance Intelligence nor Drift shows ads.

### Which is updated more often, Kin | Performance Intelligence or Drift?

Kin | Performance Intelligence ships an update fortnightly, and Drift every 2 days. Most recently, Kin | Performance Intelligence was updated on October 28, 2026 and Drift on October 31, 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.*