# Coala vs Stethophone PRO

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.

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

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.

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.

## The numbers

| Metric | Coala | Stethophone PRO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (7 ratings)](https://appshunter.io/ios/app/coala/id1104903306/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/stethophone-pro/id6739212032/reviews)** |
| Number of ratings | **7** | 3 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Free | Free |
| Size | 23 MB | 80 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Coala Solutions inc](https://appshunter.io/developer/1797025160) | [Sparrow Acoustics Inc.](https://appshunter.io/developer/1569458168) |

## What reviewers say

### Coala

[App page](https://appshunter.io/ios/app/coala/id1104903306)

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

**In-app purchases:** none


### Stethophone PRO

[App page](https://appshunter.io/ios/app/stethophone-pro/id6739212032)

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

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*