# Heart Rate Tracker vs PoolsKey

The clearest difference is rating: PoolsKey at 5.0 against Heart Rate Tracker's 3.4. PoolsKey also leads on ads (none vs shown). On price, ratings volume, update cadence and in-app purchases there is nothing between them.

Both are free to download. Heart Rate Tracker sells 3 in-app purchases, starting at $9.99 per 7 days and PoolsKey sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

PoolsKey holds the better App Store score, 5.0 against 3.4. Both are backed by a comparable volume of ratings — 9 and 8 respectively.

Heart Rate Tracker ships an update every 5 days, PoolsKey every 9 days. The most recent releases landed on October 25, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Heart Rate Tracker | PoolsKey |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (9 ratings)](https://appshunter.io/ios/app/heart-rate-tracker-pulsecheck/id6764593737/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/poolskey-pool-water-testing/id6785481333/reviews)** |
| Number of ratings | **9** | 8 |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Every 9 days |
| Monetization | Free with in-app purchases | Freemium |
| Size | 91 MB | 66 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Super connect brands d.o.o.](https://appshunter.io/developer/1895843035) | [KeyInventions LLC](https://appshunter.io/developer/6776918079) |

## What reviewers say

### Heart Rate Tracker

[App page](https://appshunter.io/ios/app/heart-rate-tracker-pulsecheck/id6764593737)

Monitor your pulse, blood pressure, blood oxygen, and temperature. Understand your lab results with AI-powered explanations and generate shareable health reports for your doctor.

**Highlights:** Heart rate monitoring, Track vital signs (BP, SpO2, Sugar, Temp), AI lab result explanation, Generate health reports, Intuitive interface, Data privacy control

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 week | $9.99 | per 7 days |
| 1 month | $29.99 | per month |
| 1 year | $69.99 | per year |


### PoolsKey

[App page](https://appshunter.io/ios/app/poolskey-pool-water-testing/id6785481333)

Easily test your pool's water by scanning test strips with your phone's camera. Get instant readings and precise chemical dosing instructions tailored to your pool's size and type. Track your pool's health and receive smart reminders for re-testing.

**Highlights:** Scan any pool test strip with your camera, Get instant water readings, Receive precise chemical dosing instructions, Save multiple pool profiles, AI pool-care assistant (Pro), Smart re-test reminders (Pro)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PoolsKey Pro | $4.99 | per month |
| PoolsKey Pro (Annual) | $29.99 | per year |


## Frequently asked questions

### Is Heart Rate Tracker free?

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

### Is PoolsKey free?

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

### Which has better reviews, Heart Rate Tracker or PoolsKey?

PoolsKey is rated higher. Heart Rate Tracker averages 3.4 out of 5 from 9 ratings, while PoolsKey averages 5.0 from 8 ratings.

### Do Heart Rate Tracker or PoolsKey have ads?

Heart Rate Tracker shows ads; PoolsKey does not.

### Which is updated more often, Heart Rate Tracker or PoolsKey?

Heart Rate Tracker ships an update every 5 days, and PoolsKey every 9 days. Most recently, Heart Rate Tracker was updated on October 25, 2026 and PoolsKey on October 15, 2026.

---

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