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Android Apps > Medical > CardioSignal
App profile & analytics · Medical · Data updated 2026-10-09
CardioSignal icon

CardioSignal

by Precordior Oy · Free · Version 3.1.5

“CardioSignal is an easy way to detect atrial fibrillation” the developer's tagline

Availability On Google Play since June 2019 ↗
Rating on Google Play
–
At a glance AppBrain's trailer of this app, made from our data
Rating
–
0 reviews
Total installs
260
thousand
Installs, last 30 days
2
thousand
Best rank
#43
Top Grossing, Medical, Finland
Last updated
May 12, 2026
3.1.5
AppBrain's verdict Established

CardioSignal has 260 thousand installs. It doesn't have enough ratings yet to judge what users think. Its best ranking is #43 in Top Grossing, Medical in Finland.

CardioSignal is made and published by Precordior Oy. AppBrain is an independent app data site and isn't affiliated with Precordior Oy. The app name, icon, screenshots and description belong to Precordior Oy and are shown as published on Google Play.

About CardioSignal

CardioSignal is a medical app developed by Precordior Oy.

How many times has CardioSignal been installed?

CardioSignal has been installed 260 thousand times. In the last 30 days, the app was installed 2 thousand times. It is ranked in the top 100 medical apps.

What is the rating of CardioSignal?

CardioSignal has no ratings yet.

Is CardioSignal free?

CardioSignal is free. The app size is 39.00 MB. The latest version available is 3.1.5. The last update was on May 12, 2026.

What are the requirements for CardioSignal?

CardioSignal requires Android 6.0+ or higher. The app has a content rating of Everyone. The app has been available on Google Play since June 2019.

Description by Precordior Oy (from Google Play)
Gain information about your heart health in just one minute with your phone.

CardioSignal application is a reliable and easy-to-use CE marked (Class IIb) medical device. The intended purpose of the application is to detect signs of atrial fibrillation in adults (aged 18 years and older).

Why use CardioSignal:

Atrial fibrillation is the most common heart rhythm disorder, and it may present without symptoms. With regular monitoring, it can be detected and treated early. When left untreated, atrial fibrillation can expose to e.g. stroke and heart failure.

How it works:

The app is easy to use: Lie down and relax. In the app, press the start button and place your phone in the center of your chest. The measurement takes 60 seconds, after which you will get the result shortly. If after a ‘Repeat the measurement’ result you get a ‘Signs of atrial fibrillation’ result, contact your doctor or care provider. Visit https://cardiosignal.com/support for more information.

Our patented technology utilizes smartphones' motion sensors to detect signs of atrial fibrillation, and is based on a decade of academic research and algorithm development. The accuracy of the CardioSignal app is 94% to detect signs of atrial fibrillation.

Please note that the atrial fibrillation measurement requires a 1 month, 3 month or 1 year subscription. Creating a user account is required. For more information, please visit https://www.cardiosignal.com.

Contraindications (= when the device should not be used)

This application is intended for individuals aged 18 years and older. Do not use it on those aged under 18 years. The heart rate of children and adolescents can be significantly affected by their breathing rate and a normal heart rhythm might look irregular.

Do not use the application for individuals who have a cardiac pacemaker. A powered-on phone held close to a cardiac pacemaker can create electromagnetic interference (EMI), which may alter the function of the pacemaker.

Read more about Warnings and Precautions from Instructions for Use: https://cardiosignal.com/support

In case of a health emergency, contact emergency services.

Product information

Device Name: CardioSignal
Intended Purpose: to detect signs of atrial fibrillation in adults (aged 18 years and older)
Operating Requirements: The device must have motion sensors (accelerometer and gyroscope)
Electronic Instructions for Use (eIFU): https://cardiosignal.com/support
Notified Body: Eurofins Electric & Electronics Finland Oy (0537)
Certificate Number: CR-03-1202-877-25
Manufacturer information
Manufacturer: Precordior Oy, Aurakatu 6, 20100 Turku, Finland.
Single registration Number: FI-MF-000014540

Authorized representatives

UK Responsible Person: Psephos Limited
Sussex Innovation Center, Science Park Square, Brighton, East Sussex BN1 9SB
United Kingdom
rep@psephos.com, +44 1273 704527

Swiss Authorised Representative: OMCS Medical GmbH.
Kriens, Regus Spoom Luzern, Am Mattenhof 2d, Kriens 6010
Switzerland
AR@omcmedical.com

Recent changes:
Minor bug fixes and improvements
Show more Show less

More data about CardioSignal

Price Free
Total installs 260 thousand
Recent installs 2 thousand
Rating No ratings
Ranking Highly ranked
Version 3.1.5
App size 39.0 MB
Number of libraries 20
Designed for Android 6.0+
Suitable for Everyone
Ads No ads

App Performance Report

Get a detailed PDF report for CardioSignal with download trends, rating history, and key performance statistics — useful for competitive research or tracking your own app. Learn more

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Screenshots

CardioSignal Screenshot 1 of 5
CardioSignal Screenshot 2 of 5
CardioSignal Screenshot 3 of 5
CardioSignal Screenshot 4 of 5
CardioSignal Screenshot 5 of 5
Screenshots by Precordior Oy, from the Google Play listing
Official page on Google Play

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Installs over time

CardioSignal has been installed 260 thousand times. Over the past 30 days, it averaged 68 installs per day.

Changelog of CardioSignal

Show changelog

Developer information for Precordior Oy

Precordior Oy

support@precordior.com

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Comments on CardioSignal for Android

★★★★★ Kamal Jafarian · Jul 19, 2021
The idea of just using built-in sensors of a smartphone to detect atrial fibrillation is fantastic. Bravo! 👏👏
★★★★★ Ricardo Stephenson · Mar 30, 2023
Awesome app. A potential lifesaver. It converts your phone into a fine medical instrument that with the built sensors make it conducive to picking up afib irregularities. For a few quid a month, having this info makes it an invaluable kit for Joe public to use in monitoring heart irregularities. This app and having it is a no-brainer for me. An app that potentially could give me a warning ⚠️ of my heart health. Best app ever for me. Trust me, you won't regret purchasing it. I promise !!!
★☆☆☆☆ Johnathon Weare · Aug 27, 2023
Installed per recommendation of Omron connect app. That in itself wasn't clear enough for my liking. Ok, this app itself has no free trial, and the minimum subscription is £4 for a month which isn't upfront enough in my book. Best avoid until and unless all of this is completely transparent.
★☆☆☆☆ Matthew Welland · Jul 15, 2024
Signed up as recommended by Omron to use for free. It's asking for money, not impressed !
★☆☆☆☆ nige J P · Jun 22, 2025
What a disgusting way to get money out of you download the app and do the test then they won't show you the result until you pay a subscription. Shame on you and shame on moron for recommending it

Google Play Rankings for CardioSignal

Top rankings

Rank Country Category List
141 Finland Overall Top Grossing
142 Finland Applications Top Grossing
43 Finland Medical Top Grossing
43 Norway Medical Top Grossing
44 Belgium Medical Top Grossing
44 Denmark Medical Top Grossing
44 Netherlands Medical Top Grossing
45 Switzerland Medical Top Grossing
46 Austria Medical Top Grossing
Show all market rankings

Ranking history in Finland

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Technologies used by CardioSignal

12 permissions · 20 libraries
Subscribe to see full permission and library details
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Overview Alternatives History Reviews Rankings Technology
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