Comparison

Coala vs Stethophone PRO

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Coala

This medical system uses a device to record ECG and heart sounds, then analyzes the data with a smart algorithm. It provides real-time feedback and allows users to share recordings with their physician. The system is FDA cleared and CE marked.

Highlights
  • Record ECG and Heart Sound
  • Bluetooth connectivity to smartphone
  • Cloud-based smart algorithm analysis
  • Real-time feedback
  • Share recordings with physician
  • Access ECG history
  • Symptom logging
Read full description

Follow your heart with Coala. The Coala Heart Monitor and system is a unique medical device with technology that registers heart’s electrical signals (ECG) and digitalizes your Heart Sound. The Coala App links the Coala Heart Monitor to your smartphone via Bluetooth and returns the results of your measurement within minutes. The Coala Heart Monitor is easy to use and captures your heart rhythm in just 60 seconds, with a combination of thumb and chest recordings. This dual lead recording device is 3x more accurate than thumb-only recordings. Use the Coala App to: • Record your ECG and Heart Sound with the Coala Heart Monitor • Connect to the cloud based smart Coala algorithm which analyzes your ECG and provides you with real-time feedback • Provide ECG and Heart Sound recordings to your physician via the Coala Care portal • Enter your symptoms when you record an event • Access your ECG history The FDA cleared and CE marked Coala Heart Monitor and system builds on unique patented technology based on more than 10 years of Swedish research and development. In the U.S., the Coala Heart Monitor and system is only available by prescription from your physician. Compatible with Apple HealthKit and CareKit. Read more on www.coalalife.com

About

Stethophone PRO

This medical application transforms a smartphone into an FDA-cleared cardiac assessment tool. It uses AI-powered sound analysis to detect heart murmurs and other indicators of heart health, enabling early detection and improved patient routing.

Highlights
  • FDA-cleared cardiac assessment tool
  • AI-powered heart sound analysis
  • Detects murmurs and heart issues
  • No additional hardware required
  • Securely share findings
  • Integrates into telehealth workflows
Read full description

INSTANT ADVANCED CARDIAC SCREENING IS NOW DOWLOADABLE TO YOUR PHONE Stethophone® Pro turns a smartphone into a powerful, FDA-cleared, and clinically proven cardiac assessment tool – no extra hardware required. It delivers fast, accurate detection of structural and rhythmic heart issues, enabling upstream detection and strengthening detection infrastructure across care settings. Ideal for in-clinic, hospital, remote or population screening applications, while supporting more effective patient routing from first signal to follow-up care. HEAR MORE. KNOW MORE Stethophone Pro is the first FDA-cleared, class II medical application of its kind that captures chest sounds, augments listening and uses a new class of AI-powered sound analysis to detect murmurs, and other key indicators of heart health – quickly and with unparalleled accuracy. It helps structure acoustic data into clinically meaningful signals, supporting earlier insight and more consistent decision-making. NO HARDWARE. NO HASSLE 100% software: Just download and use Scalable: Easy to deploy in minutes, to practitioners and patients alike, forming a flexible layer of modern detection infrastructure Immediate value: No additional hardware, no maintenance or special training required ACTIONABLE INSIGHTS. REAL-TIME RESULTS Use a smartphone to detect murmurs, visualize cardiac timing, create timely records as symptoms occur, or during history and physical exams. Designed to support upstream detection and guide patient routing toward appropriate diagnostic pathways and follow-up care. AI-POWERED PRECISION Trusted by thousands of providers, Stethophone Pro amplifies, filters, and analyzes heart and lung sounds with precision – helping doctors and nurses work more efficiently, structure clinical data at scale, and improve downstream decision quality. COLLABORATE, SHARE, SCALE Record and securely share findings Enable early detection of valvular disease and arrythmias in every practice area Integrate into telehealth, population-health, and pre- and post-op workflows Support at-home and remote use under clinician supervision Contribute to a scalable detection infrastructure that improves patient routing and optimizes patient mix across healthcare systems THE FUTURE OF CARDIAC SCREENING IS HERE Valvular heart disease and related conditions are an epidemic, with millions of people remaining undiagnosed. Stethophone Pro is a cost-effective, scalable cardiac screening and early decision support solution designed to strengthen upstream detection, structure clinical data, and improve patient routing – ultimately contributing to a more appropriate patient mix and better utilization of advanced diagnostic resources. Stethophone Pro is a Class II FDA-cleared software medical device that has passed rigorous validation to both US and international standards to ensure world-class accuracy and medical informativeness. It is intended for use by healthcare practitioners or under the supervision/prescription of a licensed medical professional. AVAILABLE OPTIONS Sound recording, playback, storing and sharing functionality is free and available for everyone. Automated results processing and PDF reporting is available only for healthcare practitioners requiring verification of a professional medical license or for patients under prescription. Stethophone is offered to clinics, hospitals, and healthcare networks under commercial license. Disclaimer: https://bit.ly/4n1vBR7 Privacy Policy: https://bit.ly/4tIkEWX Terms & Conditions: https://bit.ly/4wjCpxR Regulatory Information: https://bit.ly/42GNBGZ

Screenshots

Coala4 screens
Stethophone PRO4 screens

Verdict

The call

The clearest difference is rating: Stethophone PRO at 5.0 against Coala's 4.3. Coala's advantage is iOS requirement (12.0 vs 18.0). On price, ratings volume, update cadence and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Stethophone PRO holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 7 and 3 respectively.

UpkeepUpdate frequency

Coala ships an update every 3 months, Stethophone PRO every 4 months. The most recent releases landed on September 30, 2026 and September 27, 2026 respectively.

Scorecard2 real differences · 8 level
Coala versus Stethophone PRO: the parameters behind the verdict, then further details
ParameterCoalaStethophone PRO
PriceFreeFree
Rating4.3 (7 ratings)5.0 (3 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings7 — better3
Update frequencyEvery 3 months — betterEvery 4 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPod — betteriPhone
Requires iOS12.0 — better18.0
Further details — not scored
Size23 MB80 MB
Age rating17+17+
DeveloperCoala Solutions incSparrow Acoustics Inc.

Customer experience

Coala

All ratings7 ratings
Positive85.7%
Neutral0.0%
Negative14.3%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Stethophone PRO

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Coala

No in-app purchases

None

Stethophone PRO

No in-app purchases

Questions

Is Coala free?
Coala is free to download, with no in-app purchases.
Is Stethophone PRO free?
Stethophone PRO is free to download, with no in-app purchases.
Which has better reviews, Coala or Stethophone PRO?
Stethophone PRO is rated higher. Coala averages 4.3 out of 5 from 7 ratings, while Stethophone PRO averages 5.0 from 3 ratings.
Do Coala or Stethophone PRO have ads?
Neither Coala nor Stethophone PRO shows ads.
Which is updated more often, Coala or Stethophone PRO?
Coala ships an update every 3 months, and Stethophone PRO every 4 months. Most recently, Coala was updated on September 30, 2026 and Stethophone PRO on September 27, 2026.

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