# Heart Rate Ninja vs prtcl

The clearest difference is update cadence: prtcl at every 2 weeks against Heart Rate Ninja's every 4 weeks. Heart Rate Ninja's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Heart Rate Ninja sells 10 in-app purchases, starting at $2.99 per month and prtcl sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

Heart Rate Ninja ships an update every 4 weeks, prtcl every 2 weeks. The most recent releases landed on October 25, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Heart Rate Ninja | prtcl |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (57 ratings)](https://appshunter.io/ios/app/heart-rate-ninja/id1515206860/reviews)** | — |
| Number of ratings | **57** | — |
| Positive reviews | 93.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 120 MB | 35 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Heart Rate Ninja, LLC](https://appshunter.io/developer/1515206859) | [Dafydd Llwyd](https://appshunter.io/developer/1890528951) |

## What reviewers say

### Heart Rate Ninja

[App page](https://appshunter.io/ios/app/heart-rate-ninja/id1515206860)

This app transforms group workouts into a fun, competitive game by tracking heart rates in real-time. Earn points, level up with seasonal masks, and compete on leaderboards to achieve fitness goals. Connect Bluetooth monitors and optionally display progress on a TV for an engaging experience.

**Highlights:** Real-time heart rate monitoring, Gamified workout scoring and leveling, Seasonal leaderboards and challenges, Bluetooth heart rate monitor support, Optional TV/projector display, Personalized workout reports, GPS tracking for outdoor activities

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Heart Rate Ninja Plus Monthly | $2.99 | per month |
| Heart Rate Ninja Plus Yearly | $29.99 | per year |
| 50 Profiles Monthly | $29.99 | per month |
| 100 Profiles Monthly | $39.99 | per month |
| 250 Profiles Monthly | $49.99 | per month |
| 500 Profiles Monthly | $99.99 | per month |
| 50 Profiles Yearly | $299.99 | per year |
| 100 Profiles Yearly | $399.99 | per year |
| 250 Profiles Yearly | $499.99 | per year |
| 500 Profiles Yearly | $999.99 | per year |


### prtcl

[App page](https://appshunter.io/ios/app/prtcl-protocol-tracker/id6761626815)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| prtcl Pro | $7.99 | per month |
| prtcl Pro | $59.99 | per year |


## Frequently asked questions

### Is Heart Rate Ninja free?

Heart Rate Ninja is free to download, with in-app purchases available.

### Is prtcl free?

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

### Do Heart Rate Ninja or prtcl have ads?

Neither Heart Rate Ninja nor prtcl shows ads.

### Which is updated more often, Heart Rate Ninja or prtcl?

Heart Rate Ninja ships an update every 4 weeks, and prtcl every 2 weeks. Most recently, Heart Rate Ninja was updated on October 25, 2026 and prtcl 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.*