# K vs MultiHR

The clearest difference is in-app purchases: K at none against MultiHR's 3. MultiHR's advantage is update cadence (every 3 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. MultiHR sells 3 in-app purchases, starting at $5.99 per month. K asks for nothing beyond the download.

K ships an update every 2 months, MultiHR every 3 days. The most recent releases landed on October 27, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | K | MultiHR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/multihr/id6739001386/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | — | Paid |
| Size | 55 MB | 55 MB |
| Requires iOS | 15.6 | **15** |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [K-Sport World S.r.l](https://appshunter.io/developer/1706833497) | [Wuhan Newrathon Technology Co., Ltd](https://appshunter.io/developer/1652811876) |

## What reviewers say

### K

[App page](https://appshunter.io/ios/app/k-pro-sport-tracking/id6472656246)

**Features:** macOS Compatibility

**In-app purchases:** none


### MultiHR

[App page](https://appshunter.io/ios/app/multihr/id6739001386)

Monitor and analyze heart rate data from multiple Bluetooth devices simultaneously. Track real-time heart rate, view charts, and export detailed records for training or research.

**Highlights:** Connect multiple Bluetooth heart rate devices, Real-time heart rate data display, Intuitive heart rate charts, Export data in Excel and CSV, Device battery status monitoring, Local data storage

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MultiHR Pro | $5.99 | per month |
| MultiHR Pro | $12.99 | per year |
| MultiHR Pro | $16.99 | one-time |


## Frequently asked questions

### Is K free?

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

### Is MultiHR free?

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

### Do K or MultiHR have ads?

Neither K nor MultiHR shows ads.

### Which is updated more often, K or MultiHR?

K ships an update every 2 months, and MultiHR every 3 days. Most recently, K was updated on October 27, 2026 and MultiHR on November 4, 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.*