# ECG Logger for Polar H10 — ECG Viewer & Recorder

> ECG viewer and recorder for Polar H10 heart rate sensor. (iPhone/iPad app by Matti Mononen.)

- Source: https://appshunter.io/ios/app/ecg-logger-for-polar-h10/id1595905348 (this page in markdown: same URL + `.md`)
- Developer: [Matti Mononen](https://appshunter.io/developer/1595905350)
- Category: Health & Fitness, Medical
- Price: Free with in-app purchases
- Rating: 4.20/5 from 76 App Store ratings · 18 written reviews indexed
- Age rating: 4+
- Requires: iOS 14.0 · 15 MB
- Languages: American English, Finnish
- Released: 2021-11-30
- Data updated: 2026-08-31
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/ecg-logger-for-polar-h10/id1595905348/reviews.md

## What is ECG Logger for Polar H10?

Electrocardiogram for Polar H10 heart rate sensor. ECG, heart rate and R-R intervals. Live view and recording (also in background). Recordings can be opened later on.

- View your current and earlier ECG, heart rate and R-R intervals in the same graph or individually
- Explore your data by zooming and panning gestures
- Record your data while also having a live preview
- Add a marking to find the important moments later on
- Lengthy recordings are automatically split into 1h files that enables very long recordings.
- Export the recordings in PDF format
- View your earlier recordings in the app
- Delete, share, etc. your recordings in Apple's Files app
- Recordings are in CSV format and can be opened in other applications too, for example in Excel
- Interface in English and in Finnish

## Key features

- 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

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

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


## Recent user reviews (10 of 18)

All indexed reviews: https://appshunter.io/ios/app/ecg-logger-for-polar-h10/id1595905348/reviews.md

### 5/5 — Perfect

*2025-12-30*

It is simple to use, does exactly what it states, is inexpensive to purchase, the author supports his product, and I have a feeling that this will only be improved in the future. Being a software programmer, this app has the feel of well designed software.

**Developer response:** Thank you for your encouraging feedback!

### 5/5 — Monster

*2025-12-17*

This is the best thing on the App Store…. If you know you know 😎😎😎🤧

### 1/5 — Doesn’t work & developer doesn’t return emails

*2025-08-27*

I bought the app and my polar h10 is connected to my phone via Bluetooth, but won’t connect to the app.  I’ve emailed the developer twice and waited over 10 days since first email.  Do not buy

**Developer response:** Hi! I reply to every inquiry regarding ECGLogger app. I haven't reveiced your messages. Please try again and make sure you use the correct address: matti.mononen@protonmail.com

### 5/5 — Use it almost everyday

*2025-03-11*

I find this tool very handy in trying to monitor some recent afib.  It has much more detail than an Apple Watch and the ability to record and show a doctor extended clips is awesome.  Keep the app alive and up to date.  I’m definitely a big fan.  Thanks.

**Developer response:** Thank you for your encouraging feedback!

### 5/5 — Cool app

*2024-12-28*

👍

**Developer response:** Thank you!

### 5/5 — Simple and effective— does exactly what you need it to do.

*2024-09-13*

This app is great. It was easy to pair my Polar H10 and log all of the raw ECG + RR intervals to a single output file saved on my iphone (easily airdropped to laptop).  Thanks for including the Unix Epoch timestamp— this made working with the output data much easier!

### 5/5 — Good app

*2024-08-09, version 1.11*

Seems to do a good job from first view and fair enough to charge a small fee to record as the app is advert free. The reviewer complaining about this is being ridiculous.

### 5/5 — A fantastic app and even better customer service!

*2024-07-10*

This app is absolutely brilliant. It works perfectly and is exactly what I needed. There is nothing else like it in the App Store. It continuously (and reliably) records my heart data for as many hours as I need, and hasn’t had any glitches yet. I also love that I can save my files in .csv format or export them as .pdf files. I had an issue when I initially downloaded the app, and the app developer replied to me within five minutes after I emailed him a few days ago. He was extremely helpful and very kind as well. This app is wonderful and is a great deal as well. Thank you!!! I would leave ten stars if I could.

**Developer response:** Hi! Thank you so much! I was happy to help.

### 1/5 — Won’t restore my app purchase!!!!!

*2024-07-08*

I just paid like $6 for this app and when it tried to charge me ANOTHER $5 to export the file as a pdf, I got a little upset and deleted the app. I decided to install and use the app again but when I hit the “restore purchase” button, it didn’t work! This app STOLE $6 from me!!!!! I am so angry right now! 😡

### 5/5 — Easy ECG data

*2024-04-30*

I appreciate real-time monitoring with the Polar H10 and this app. (In comparison, my Kardia 6L has a bit of a lag.) And for me it was well worth the small payment for the recording feature, to get easy access to the underlying ECG data with no fuss.

**Developer response:** Hi! Thank you for your positive feedback!

## Frequently asked questions about ECG Logger for Polar H10

### What does this app do?

This application allows you to view and record electrocardiogram (ECG) data directly from your Polar H10 heart rate sensor. It provides live previews, historical data viewing, and interactive graphing of ECG, heart rate, and R-R intervals.

### What are the key features of this ECG logger?

Key features include live ECG viewing, background recording, interactive data exploration with zoom and pan, the ability to add markings to recordings, automatic splitting of lengthy recordings into manageable files, and export options in PDF and CSV formats.

### How can I export my ECG recordings?

You can export your recordings in PDF format for easy sharing and viewing. Additionally, recordings are saved in CSV format, which can be opened and analyzed in other applications like Excel or specialized data analysis software.

### Is this app compatible with other heart rate sensors?

This application is specifically designed to work with the Polar H10 heart rate sensor. Compatibility with other heart rate monitors is not mentioned in the provided description.

### What are some common use cases for this app?

Common use cases include monitoring your heart's electrical activity for personal health awareness, tracking heart rate variability (HRV) through R-R intervals, and collecting data for potential review by healthcare professionals. It's useful for fitness enthusiasts and individuals interested in detailed cardiac data.

## Version history (last 5 releases)

### v1.18 — 2026-07-04

Bug fixes

### v1.17 — 2025-11-03

Instruction improvements

### v1.16 — 2025-07-23

- Technical improvements

### v1.15 — 2025-05-11

- Possibility to see the current RR value

### 1.14 — 2025-03-18

Fixed the compatibility with Android CSV files

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-31.*