# iHeart HRV vs Protocol Tracker

The clearest difference is update cadence: Protocol Tracker at every 2 weeks against iHeart HRV's every 2 months. iHeart HRV's advantage is iOS requirement (11.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. iHeart HRV sells 3 in-app purchases, starting at $1.99 per month and Protocol Tracker sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

iHeart HRV ships an update every 2 months, Protocol Tracker every 2 weeks. The most recent releases landed on October 14, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | iHeart HRV | Protocol Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/iheart-hrv/id1635750634/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 18 MB | 20 MB |
| Requires iOS | **11.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Vitalsines International Inc](https://appshunter.io/developer/1629507643) | [Mc Pol Cruz](https://appshunter.io/developer/1884728788) |

## What reviewers say

### iHeart HRV

[App page](https://appshunter.io/ios/app/iheart-hrv/id1635750634)

Measure and analyze your Heart Rate Variability (HRV) with a specialized device. Track your progress over time, create user profiles, and use the data to encourage healthier lifestyle choices. This app is for personal health and wellness education.

**Highlights:** Measure Heart Rate Variability, View results as a score and frequency spectrum, Fixed length recordings, Review recordings and graphs, Create user profiles

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly Subscription | $1.99 | per month |
| Pro Monthly Subscription | $9.99 | per month |
| Enterprise Mthly Subscription | $19.99 | per month |


### Protocol Tracker

[App page](https://appshunter.io/ios/app/protocol-tracker-dosefi/id6760504673)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $3.99 | per month |
| Yearly | $34.99 | per year |


## Frequently asked questions

### Is iHeart HRV free?

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

### Is Protocol Tracker free?

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

### Do iHeart HRV or Protocol Tracker have ads?

Neither iHeart HRV nor Protocol Tracker shows ads.

### Which is updated more often, iHeart HRV or Protocol Tracker?

iHeart HRV ships an update every 2 months, and Protocol Tracker every 2 weeks. Most recently, iHeart HRV was updated on October 14, 2026 and Protocol Tracker on October 18, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*