ECG EKG Recorder for Polar H10

Saves data displays live chart

Published by: Philipp Poeml
Downloads
Revenue

Description

This App records three types of data from a Polar H10 heart rate sensor: electrocardiogram (ECG), heart rate (HR) and the R-R interval (RR). Minimum firmware of the H10 for ECG to work is 3.0.35. Each type of data can also be displayed in a real time chart. Screenshots of the real time chart can be taken via the “save to photos” button. A video of the live chart can be recorded using the iOS screen recorder button from the iOS Control Center (maybe needs to be enabled via Settings —> Control Center).
If the user has an active subscription "Enable premium features" (IN-APP purchase), all data is saved to the ECG Recorder App's directory in the "Files" app, the file name being the timestamp when the recording started. All data is saved as an ascii text file. The text files contain one value per line and should be easily imported into other software for data processing. In addition, the premium features include live / real-time charts of ECG, HR, and RR.
ECG data: According to specifications ECG data is collected at a rate of 130 Hz (my device works at 130.061 Hz) in microvolts (µV). That means that there is one value every 7.692 milliseconds (ms). For 10 minutes recording that is 78000 values. When importing the data into e.g. Microsoft Excel or Apple Numbers, you will receive one long column of µV values. You can divide all values by 1000 to receive millivolts (mV). You will need to create yourself a time column as well to be able to properly plot the data. If the time column shall be in seconds, it should have as values 0.007692, 0.015385, 0.023077, 0.030769, …. With that time column as X and the mV as Y you can plot a mV vs. seconds ECG.
The "Set marker" button in the ECG live chart adds a value of 2000 µV to the data. This value can be easily seen in a graph or found by searching through the data.
The open source software “EDFbrowser” can convert the ascii text files into .edf files which can be nicely browsed using the software. Some sample ECG data and demo videos for import into Apple Numbers and EDFBrowser are available at the Github site (https://github.com/poml88/ecg-recorder-ios).
HR data: There is about one value for HR (average beats per minute, bpm) recorded per second. In case you want to plot the data you will need to create a time column with 1, 2, 3, 4, … seconds and so forth.
RR data: The RR interval is the time elapsed between two successive R-waves of the QRS signal on the electrocardiogram (the reciprocal is the HR). The RR intervals are recorded in ms.
The app is free to download to get a first impression and connect to a device. It is possible to see a few seconds of the live charts. To activate the premium features, please make one of the available IN-APP purchases. Each subscription has a one week free trial, so all features can be tried free of charge.
Subscription will be charged to your iTunes account at confirmation of purchase and will automatically renew (at the duration selected) unless auto-renewal is turned off at least 24h prior to the end of the current period. Otherwise, your account will be charged for renewal at the original cost of your current subscription. Visit your iTunes Account Settings to manage subscriptions and/or turn off auto-renewal. Any unused portion of free trial period, if offered, will be forfeited when purchasing a subscription. For more information, see our Terms of Service and Privacy Policy.
TERMS OF SERVICE:
https://github.com/poml88/ecg-recorder-ios/blob/main/TERMS_of_SERVICE.md#terms-of-service
Please note: This app is for informational purpose only. Use of the app and site is not intended to be a substitute for professional medical advice and you should promptly contact your own health care and/or provider regarding any medical conditions or medical questions that you have. THE APP AND WEB SITE DO NOT OFFER MEDICAL ADVICE, AND NOTHING CONTAINED IN THE CONTENT IS INTENDED TO CONSTITUTE PROFESSIONAL ADVICE FOR MEDICAL DIAGNOSIS OR TREATMENT.
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In-Apps

Enable premium features
129,00 kr

Screenshots

ECG EKG Recorder for Polar H10 FAQ

  • Is ECG EKG Recorder for Polar H10 free?

    Yes, ECG EKG Recorder for Polar H10 is free to download, however it contains in-app purchases or subscription offerings.

  • Is ECG EKG Recorder for Polar H10 legit?

    🤔 The ECG EKG Recorder for Polar H10 app's quality is mixed. Some users are satisfied, while others report issues. Consider reading individual reviews for more context.

    Thanks for the vote

  • How much does ECG EKG Recorder for Polar H10 cost?

    ECG EKG Recorder for Polar H10 has several in-app purchases/subscriptions, the average in-app price is 129.00 kr.

  • What is ECG EKG Recorder for Polar H10 revenue?

    To get estimated revenue of ECG EKG Recorder for Polar H10 app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.

User Rating

5 out of 5

1 ratings in Norway

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Ratings History

ECG EKG Recorder for Polar H10 Reviews

Cannot find the data recorded

l.kannan on

United States

I tried to locate the file, however, I’m unable to find it. Can you please help with that?

Best Polar H10 app on the market

Karl GW on

United States

Works exceedingly well for monitoring my exercises (rowing machine, hiking, and walking). An unexpected benefit was its invaluable help in diagnosing the heart rate subtleties (via the 'R-R Interval' and 'ECG Stream') associated with my nighttime sleep issues. Live plotting on the iPhone, along with data exporting to plotting software (spreadsheets, custom computer programming) makes this an invaluable tool.

Trying to Charge me double after LIFETIME membership.

DtxMeech on

United States

I am trying to access the app after paying for the lifetime membership but it doesn’t allow me to access the features that comes with it and instead prompts me to pay again. Will revise review if/when this is fixed. Definitely not fair to not be able to use what I paid for and then get asked to pay again for it.

Thank You!

jsemmler7 on

United States

Thank you for making this! I love being able to see my ecg.

Subscription

einem_nob on

United States

The app works great and it has been a huge help! However, now that I don’t need it anymore I am unable to find where I can cancel the subscriptions! Any help would be appreciated !

Works well but can’t seem to record ECG more than 2 hours

nmresearcher on

United States

This app works really well & is easy to use. I want to get ECG recording through the night, but it seems to time out after 2 hours & then doesn’t even save the ECG file up to that point. Is there any work around for this?? RR intervals and HR record for extended period (>5 hours) with no issues.

Forced payment

why do i need to add this crap on

United States

I would somewhat like and be interested in this app if it didn’t pop up pay now every 7 seconds. I’ll look on android for more options Added response: your app is garbage and it will stay garbage lazy nerd probably making more money on the data you are selling then anything else.

Works as Described

BK_review on

United States

Easy to use! My question about the output file was answered in the help section.

Doesn’t connect… I fixed it

EuroStef on

United States

update: changed rating since I figured out the issue: it doesn’t connect if some other app is using H20. Great idea but it doesn’t work. Bluetooth is on, the Polar H10 is available and visible in the app, but after I click connect, nothing happens.

Great app!

Francesca_sf on

United States

This app does exactly what I need: to record the output of my Polar H10 in a continuous stream that can be saved. However, I purchased this app on my iPhone. When I opened it on my iPad, I was asked to pay again. Should this app work on both my iPhone and iPad which are on the same iCloud account? Thanks for offering such a useful app.

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