# Polar GoFit vs Kyna

The clearest difference is update cadence: Kyna at every 3 weeks against Polar GoFit's every 6 months. Kyna also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Polar GoFit ships an update every 6 months, Kyna every 3 weeks. The most recent releases landed on October 12, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Polar GoFit | Kyna |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.2 (5 ratings)](https://appshunter.io/ios/app/polar-gofit/id616695404/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 7.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 111 MB | 41 MB |
| Requires iOS | **14** | 15.1 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Polar Electro](https://appshunter.io/developer/532468555) | [Keanu Calo](https://appshunter.io/developer/1829696197) |

## What reviewers say

### Polar GoFit

[App page](https://appshunter.io/ios/app/polar-gofit/id616695404)

This app helps educators track student effort and progress in physical education classes using real-time heart rate monitoring. It provides individual guidance, motivational badges, and easy assessment tools to enhance student engagement and fitness development.

**Highlights:** Real-time effort tracking, Individual student guidance, Motivational reward badges, Progress monitoring and assessment, Offline data recording with select watches, Web service integration for course management

**In-app purchases:** none


### Kyna

[App page](https://appshunter.io/ios/app/kyna/id6749269525)

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

**In-app purchases:** none


## Frequently asked questions

### Is Polar GoFit free?

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

### Is Kyna free?

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

### Do Polar GoFit or Kyna have ads?

Neither Polar GoFit nor Kyna shows ads.

### Which is updated more often, Polar GoFit or Kyna?

Polar GoFit ships an update every 6 months, and Kyna every 3 weeks. Most recently, Polar GoFit was updated on October 12, 2026 and Kyna 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.*