# ECG Logger for Polar H10 vs BioTracker

The clearest difference is rating: BioTracker at 5.0 against ECG Logger for Polar H10's 4.2. BioTracker also leads on review sentiment (100% vs 68%) and update cadence (every 8 days vs every 2 months). ECG Logger for Polar H10's advantage is ratings volume (97 vs 2) and device support (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. ECG Logger for Polar H10 sells 2 one-off in-app purchases and BioTracker sells 4 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

BioTracker holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: ECG Logger for Polar H10 has 97 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 68% of ECG Logger for Polar H10's written reviews are positive against 100% of BioTracker's.

ECG Logger for Polar H10 ships an update every 2 months, BioTracker every 8 days. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | ECG Logger for Polar H10 | BioTracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (97 ratings)](https://appshunter.io/ios/app/ecg-logger-for-polar-h10/id1595905348/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/biotracker-track-your-stack/id6790021651/reviews)** |
| Number of ratings | **97** | 2 |
| Positive reviews | 68.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 15 MB | 135 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Matti Mononen](https://appshunter.io/developer/1595905350) | [BioTracker LLC](https://appshunter.io/developer/6790021653) |

## What reviewers say

### ECG Logger for Polar H10

[App page](https://appshunter.io/ios/app/ecg-logger-for-polar-h10/id1595905348)

Record and analyze electrocardiogram (ECG) data from your Polar H10 sensor. View live and historical ECG, heart rate, and R-R intervals with interactive graphing. Export recordings for further analysis.

**Highlights:** Live ECG, heart rate, and R-R interval view, Background recording, Interactive data exploration (zoom/pan), Marking important moments, Automatic splitting of long recordings, PDF and CSV export, Apple Files app integration

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF exporting | $4.99 | one-time |
| ECG recording | $6.99 | one-time |


### BioTracker

[App page](https://appshunter.io/ios/app/biotracker-track-your-stack/id6790021651)

Organize your supplement and peptide routines with this app. It helps you stay on schedule, track doses, manage inventory, and discover new items based on your goals. Share your progress and explore community stacks.

**Highlights:** Organize supplement and peptide routines, Track doses and inventory, Set reminders and view schedules, Discover items based on goals, Explore community stacks, Log taken or missed doses

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BioTracker Pro Weekly | $1.99 | per 7 days |
| BioTracker Weekly | $1.99 | per 7 days |
| BioTracker Pro Annual | $39.99 | per year |
| BioTracker Annual | $39.99 | per year |


## Frequently asked questions

### Is ECG Logger for Polar H10 free?

ECG Logger for Polar H10 is free to download, with in-app purchases available.

### Is BioTracker free?

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

### Which has better reviews, ECG Logger for Polar H10 or BioTracker?

BioTracker is rated higher. ECG Logger for Polar H10 averages 4.2 out of 5 from 97 ratings, while BioTracker averages 5.0 from 2 ratings.

### Do ECG Logger for Polar H10 or BioTracker have ads?

Neither ECG Logger for Polar H10 nor BioTracker shows ads.

### Which is updated more often, ECG Logger for Polar H10 or BioTracker?

ECG Logger for Polar H10 ships an update every 2 months, and BioTracker every 8 days. Most recently, ECG Logger for Polar H10 was updated on November 7, 2026 and BioTracker on October 31, 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.*