# Vitalync vs Kine

The clearest difference is in-app purchases: Kine at none against Vitalync's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Vitalync sells 3 in-app purchases, starting at $1.99 per month. Kine asks for nothing beyond the download.

Vitalync ships an update every 9 days, Kine fortnightly. The most recent releases landed on September 27, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Vitalync | Kine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/kine/id6761748072/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Fortnightly |
| Monetization | — | Free with in-app purchases |
| Size | 34 MB | 11 MB |
| Requires iOS | 18.6 | **17.6** |
| Devices | iPhone | **iPhone, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [尧 齐](https://appshunter.io/developer/1865331229) | [定波 刘](https://appshunter.io/developer/1891223422) |

## What reviewers say

### Vitalync

[App page](https://appshunter.io/ios/app/vitalync/id6760963569)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ROOT Monthly | $1.99 | per month |
| ROOT Annual | $9.99 | per year |
| ROOT Lifetime | $39.99 | one-time |


### Kine

[App page](https://appshunter.io/ios/app/kine/id6761748072)

This app provides a comprehensive dashboard for Apple Watch users, consolidating heart rate, sleep, activity, and HRV data. It offers actionable insights into performance, recovery, and training rhythm, with features like live heart-rate feedback and recovery prompts.

**Highlights:** Body-state dashboard, Heart rate and HRV tracking, Sleep and activity trends, Live workout heart-rate feedback, Recovery prompts, 24-hour body-dynamics challenges

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Vitalync free?

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

### Is Kine free?

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

### Do Vitalync or Kine have ads?

Neither Vitalync nor Kine shows ads.

### Which is updated more often, Vitalync or Kine?

Vitalync ships an update every 9 days, and Kine fortnightly. Most recently, Vitalync was updated on September 27, 2026 and Kine on October 11, 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.*