# Kine vs Self Researcher

The clearest difference is update cadence: Self Researcher at weekly against Kine's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Kine sells 3 in-app purchases, starting at $1.99 per month and Self Researcher sells 1 in-app purchase, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Kine ships an update fortnightly, Self Researcher weekly. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Kine | Self Researcher |
| --- | --- | --- |
| 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 | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 12 MB | 12 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, Apple Watch | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [定波 刘](https://appshunter.io/developer/1891223422) | [思恩 李](https://appshunter.io/developer/1896688351) |

## What reviewers say

### 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 (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kine Pro Monthly | $1.99 | per month |
| Kine Pro yearly | $12.99 | per year |
| Kine Pro Lifetime | $24.99 | one-time |


### Self Researcher

[App page](https://appshunter.io/ios/app/self-researcher/id6770043096)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $0.99 | per month |


## Frequently asked questions

### Is Kine free?

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

### Is Self Researcher free?

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

### Do Kine or Self Researcher have ads?

Neither Kine nor Self Researcher shows ads.

### Which is updated more often, Kine or Self Researcher?

Kine ships an update fortnightly, and Self Researcher weekly. Most recently, Kine was updated on October 25, 2026 and Self Researcher 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.*