Kardia: iPhone vs Android
Kardia gets 5k+ downloads a day worldwide (AppInsider estimate, October 2026, rounded down to a band).
Kardia by AliveCor, Inc. is on both the App Store and Google Play. Here are both versions together: downloads, users, revenue, ratings and chart positions, store by store with totals.
Rating
4.8 ★
304k ratings, both stores
Measured
Best rank now
#27
Android · 
Medical Free
Medical FreeMeasured
App Store
App details
App ID
579769143
Publisher
AliveCor, Inc.
Publisher country
United States
On the store since
Jan 2013
13 years on the store
Minimum OS
iOS 15.0+
iPhone 6s and later
Devices
iPhone · iPad · Watch
Universal purchase
Content rating
17+
1 content note below
Languages
26
AR HR CS DA NL EN FI FR DE EL HE HU …
Size
478 MB
Also listed in
Health & Fitness
Content notesFrequent/Intense Medical/Treatment Information
Google Play
App details
App ID
com.alivecor.aliveecg
Publisher
AliveCor, Inc.
Publisher country
United States
Content rating
Everyone
Kardia downloads & installs
Both stores, worldwide. Bands are open; exact numbers are free with an account.
| Store | Downloads / day | Lifetime installs |
|---|---|---|
| iPhone | 1k+ | – |
| Google Play | 1k+ | 1M+ Measured |
| Total | 5k+ Confidence | 1M+ Confidence |
How this is calculated
iPhone: chart positions and rating growth per country, anchored on its own Android downloads; lifetime from ratings worldwide × installs per rating. Google Play: the daily change in its exact install count. The total adds every store.
Where Kardia's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
Retention · share of new users still active
Day 1
Day 7
Day 30
Time spent · per daily user
Average time spent Pro
min a day
Sessions a day Pro
Time per session Pro
min
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Where it ranks now
Both stores, across every country we track.
Ratings
Both stores. Store data, measured.
| Store | Rating | Ratings |
|---|---|---|
| App Store | 4.8 ★ | 237k |
| Google Play | 4.7 ★ | 67k 5.9k written reviews |
| Both stores | 4.8 ★ weighted by ratings | 304k |
What users say about Kardia
From the 61 most recent App Store reviews in the US.
Mixed but leaning positive (74% of recent reviews give 4–5 stars). People like it for being easy to use, and being useful. The main complaints are about speed and performance, and price and subscriptions. Recent reviews are more positive than earlier ones.
What people like
- Ease of use: “Device is very easy to use”
- Useful: “Amazing helpful technology”
- Features & content: “Have had this for a year and has been a great tool in my monitoring”
- Speed & performance: “All I ever had to do for maintenance was change the battery!”
Common complaints
- Speed & performance: “me was a new battery cover”
- Price & subscription: “Unfortunately, this purchase turned out to be a waste of money”
- Features & content: “No PQRST or even base level detail provided”
- Useful: “Useful while it actually worked”
About Kardia
Kardia works with the FDA-cleared KardiaMobile, KardiaMobile 6L, or KardiaBand personal EKG devices, which can detect the most common arrhythmias in just 30 seconds. The Kardia app is designed to make managing heart care from home easier than ever, giving you the ability to seamlessly record EKGs, share heart data with your doctor remotely, keep track of your health history, and more.
Capture a medical-grade EKG with your Kardia device anytime, anywhere—no patches, wires, or gels required. Get an immediate result from Kardia's Instant Analysis of normal, possible atrial fibrillation, bradycardia, or tachycardia. For additional analysis, you can choose to send the recording to your physician or to one of our partners for a Clinician Review by a cardiologist (US, Australia only) or cardiac care physiologist (UK, Ireland only).
The Kardia system is recommended by leading cardiologists and used by people around the world for accurate EKG recordings. Track your heart health data from home with the medical accuracy your doctor can trust.
NOTE: This app requires KardiaMobile, KardiaMobile 6L, or KardiaBand hardware to record an EKG. Get your Kardia device now at alivecor.com.
Kardia integrates with Apple Health to create a combined view of your health metrics.
NOTE: Requires KardiaMobile or KardiaBand hardware to record an EKG
FDA 510(k) numbers: K191406, K181823, K171816, K183319
CE # 0123
Capture a medical-grade EKG with your Kardia device anytime, anywhere—no patches, wires, or gels required. Get an immediate result from Kardia's Instant Analysis of normal, possible atrial fibrillation, bradycardia, or tachycardia. For additional analysis, you can choose to send the recording to your physician or to one of our partners for a Clinician Review by a cardiologist (US, Australia only) or cardiac care physiologist (UK, Ireland only).
The Kardia system is recommended by leading cardiologists and used by people around the world for accurate EKG recordings. Track your heart health data from home with the medical accuracy your doctor can trust.
NOTE: This app requires KardiaMobile, KardiaMobile 6L, or KardiaBand hardware to record an EKG. Get your Kardia device now at alivecor.com.
Kardia integrates with Apple Health to create a combined view of your health metrics.
NOTE: Requires KardiaMobile or KardiaBand hardware to record an EKG
FDA 510(k) numbers: K191406, K181823, K171816, K183319
CE # 0123
Kardia iPhone
Kardia gets 5k+ downloads a day worldwide (AppInsider estimate, October 2026, rounded down to a band).
Kardia is #62 in Medical Free in United States and charting in 4 of 30 countries we track.
Updated 25 Oct 2026 · rankings refresh through the day
DeveloperAliveCor, Inc.
CategoryMedical
PriceFree
Released
Rating★ 4.8 (237k)
Version5.61.1
Age rating17+
First seen by us
24 Sep 2026
24 Sep 2026Rating
4.8 ★
237k ratings
Measured
Best rank now
#62
Medical FreeMeasured
Kardia on the App Store
App details
App ID
579769143
Publisher
AliveCor, Inc.
Publisher country
United States
On the store since
Jan 2013
13 years on the store
Minimum OS
iOS 15.0+
iPhone 6s and later
Devices
iPhone · iPad · Watch
Universal purchase
Content rating
17+
1 content note below
Languages
26
AR HR CS DA NL EN FI FR DE EL HE HU …
Size
478 MB
Also listed in
Health & Fitness
Content notesFrequent/Intense Medical/Treatment Information
Kardia downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. iPhone downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Where Kardia's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
Retention · share of new users still active
Day 1
Day 7
Day 30
Time spent · per daily user
Average time spent Pro
min a day
Sessions a day Pro
Time per session Pro
min
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| United States | MedicalFree | #62 |
| United Kingdom | MedicalFree | #59 |
| Canada | MedicalFree | #42 |
 Italy | MedicalFree | #77 |
Apps near Kardia on the chart
Medical Free, around #62.
Ratings
App Store, worldwide.
Rating
4.8 ★
237k ratings
Measured
Ratings
237k
Measured
What users say about Kardia
From the 61 most recent App Store reviews in the US.
Mixed but leaning positive (74% of recent reviews give 4–5 stars). People like it for being easy to use, and being useful. The main complaints are about speed and performance, and price and subscriptions. Recent reviews are more positive than earlier ones.
What people like
- Ease of use: “Device is very easy to use”
- Useful: “Amazing helpful technology”
- Features & content: “Have had this for a year and has been a great tool in my monitoring”
- Speed & performance: “All I ever had to do for maintenance was change the battery!”
Common complaints
- Speed & performance: “me was a new battery cover”
- Price & subscription: “Unfortunately, this purchase turned out to be a waste of money”
- Features & content: “No PQRST or even base level detail provided”
- Useful: “Useful while it actually worked”
About Kardia
Kardia works with the FDA-cleared KardiaMobile, KardiaMobile 6L, or KardiaBand personal EKG devices, which can detect the most common arrhythmias in just 30 seconds. The Kardia app is designed to make managing heart care from home easier than ever, giving you the ability to seamlessly record EKGs, share heart data with your doctor remotely, keep track of your health history, and more.
Capture a medical-grade EKG with your Kardia device anytime, anywhere—no patches, wires, or gels required. Get an immediate result from Kardia's Instant Analysis of normal, possible atrial fibrillation, bradycardia, or tachycardia. For additional analysis, you can choose to send the recording to your physician or to one of our partners for a Clinician Review by a cardiologist (US, Australia only) or cardiac care physiologist (UK, Ireland only).
The Kardia system is recommended by leading cardiologists and used by people around the world for accurate EKG recordings. Track your heart health data from home with the medical accuracy your doctor can trust.
NOTE: This app requires KardiaMobile, KardiaMobile 6L, or KardiaBand hardware to record an EKG. Get your Kardia device now at alivecor.com.
Kardia integrates with Apple Health to create a combined view of your health metrics.
NOTE: Requires KardiaMobile or KardiaBand hardware to record an EKG
FDA 510(k) numbers: K191406, K181823, K171816, K183319
CE # 0123
Capture a medical-grade EKG with your Kardia device anytime, anywhere—no patches, wires, or gels required. Get an immediate result from Kardia's Instant Analysis of normal, possible atrial fibrillation, bradycardia, or tachycardia. For additional analysis, you can choose to send the recording to your physician or to one of our partners for a Clinician Review by a cardiologist (US, Australia only) or cardiac care physiologist (UK, Ireland only).
The Kardia system is recommended by leading cardiologists and used by people around the world for accurate EKG recordings. Track your heart health data from home with the medical accuracy your doctor can trust.
NOTE: This app requires KardiaMobile, KardiaMobile 6L, or KardiaBand hardware to record an EKG. Get your Kardia device now at alivecor.com.
Kardia integrates with Apple Health to create a combined view of your health metrics.
NOTE: Requires KardiaMobile or KardiaBand hardware to record an EKG
FDA 510(k) numbers: K191406, K181823, K171816, K183319
CE # 0123
Latest updates
5.61.1
Fix for resolving the crash issues in Spanish, Vietnamese and Hebrew languages
More from AliveCor, Inc.
Kardia Android
Kardia gets 5k+ downloads a day worldwide (AppInsider estimate, October 2026, rounded down to a band).
Kardia is #52 in Medical Free on Google Play in United States and charting in 8 of 23 countries we track.
Updated 25 Oct 2026 · rankings refresh through the day
DeveloperAliveCor Inc.
CategoryMedical
PriceFree
Released
Installs1M+
Rating★ 4.7 (67k)
Updated
Content ratingEveryone
Rating
4.7 ★
67k ratings
Measured
Best rank now
#52
Medical FreeMeasured
Kardia on Google Play
App details
App ID
com.alivecor.aliveecg
Publisher
AliveCor, Inc.
Publisher country
United States
Content rating
Everyone
Kardia downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Google Play shows an exact lifetime install count; downloads per day are its daily change (measured). When Play hasn't refreshed the count, they come from new ratings and Top Free chart positions. Confidence is the chance the real number is within half to double ours.
Where Kardia's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
Retention · share of new users still active
Day 1
Day 7
Day 30
Time spent · per daily user
Average time spent Pro
min a day
Sessions a day Pro
Time per session Pro
min
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Where it ranks on Google Play
Every top 200 chart it appears in across 23 countries.
| Country | Charts | Rank |
|---|---|---|
| United States | MedicalFree | #52 |
| United Kingdom | MedicalFree | #30 |
| Canada | MedicalFree | #27 |
 Spain | MedicalFree | #39 |
 France | MedicalFree | #94 |
| Italy | MedicalFree | #65 |
 Germany | MedicalFree | #154 |
 Mexico | MedicalFree | #99 |
Apps near Kardia on the chart
Medical Free, around #52.
Ratings
Google Play, worldwide.
Rating
4.7 ★
67k ratings
Measured
Ratings
67k
Measured
Written reviews
5.9k
Measured
What users say about Kardia
From the 183 most recent Google Play reviews in the US.
Mostly positive (77% of recent reviews give 4–5 stars). People like it for being useful, and being easy to use. The main complaints are about price and subscriptions, and connection and sync problems.
What people like
- Useful: “This device is a lifesaver!”
- Ease of use: “Very easy to use & record”
- Features & content: “great tool for peace if mind”
- Price & subscription: “Good reasonably priced device for folks”
Common complaints
- Price & subscription: “slow to connect and pay to play for your 6 types”
- Connection & sync: “Brand new device fails to connect”
- Crashes & bugs: “Update won't work without location; not updating other device”
- Useful: “it's very hard to get a useful reading”
About Kardia
Kardia works with the FDA-cleared KardiaMobile, KardiaMobile 6L, or KardiaBand personal EKG devices, which can detect the most common arrhythmias in just 30 seconds. The Kardia app is designed to make managing heart care from home easier than ever, giving you the ability to seamlessly record EKGs, share heart data with your doctor remotely, keep track of your health history, and more.
Capture a medical-grade EKG with your Kardia device anytime, anywhere—no patches, wires, or gels required. Get an immediate result from Kardia's Instant Analysis of normal, possible atrial fibrillation, bradycardia, or tachycardia. For additional analysis, you can choose to send the recording to your physician or to one of our partners for a Clinician Review by a cardiologist (US, Australia only) or cardiac care physiologist (UK, Ireland only).
The Kardia system is recommended by leading cardiologists and used by people around the world for accurate EKG recordings. Track your heart health data from home with the medical accuracy your doctor can trust.
NOTE: This app requires KardiaMobile, KardiaMobile 6L, or KardiaBand hardware to record an EKG. Get your Kardia device now at alivecor.com.
Capture a medical-grade EKG with your Kardia device anytime, anywhere—no patches, wires, or gels required. Get an immediate result from Kardia's Instant Analysis of normal, possible atrial fibrillation, bradycardia, or tachycardia. For additional analysis, you can choose to send the recording to your physician or to one of our partners for a Clinician Review by a cardiologist (US, Australia only) or cardiac care physiologist (UK, Ireland only).
The Kardia system is recommended by leading cardiologists and used by people around the world for accurate EKG recordings. Track your heart health data from home with the medical accuracy your doctor can trust.
NOTE: This app requires KardiaMobile, KardiaMobile 6L, or KardiaBand hardware to record an EKG. Get your Kardia device now at alivecor.com.
What's new in 5.61.0-8a9f62a8b9
The Kardia app is designed to help you get the most out of your Kardia devices, and now it’s more powerful than ever. We’re always working on improving the app, here’s what’s new:
Blood Pressure Modules
Additional Post-EKG Cards/Enhancements
Bug fixes and performance improvements
Blood Pressure Modules
Additional Post-EKG Cards/Enhancements
Bug fixes and performance improvements