# Steth IO vs Stethophone PRO

The clearest difference is rating: Stethophone PRO at 5.0 against Steth IO's 4.2. Steth IO's advantage is update cadence (every 2 months vs every 4 months) and ratings volume (13 vs 3). On price, ads, in-app purchases and monetization model 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 4.2. Both are backed by a comparable volume of ratings — 13 and 3 respectively.

Steth IO ships an update every 2 months, Stethophone PRO every 4 months. The most recent releases landed on September 9, 2026 and July 7, 2026 respectively.

## The numbers

| Metric | Steth IO | Stethophone PRO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (13 ratings)](https://appshunter.io/ios/app/steth-io/id961190182/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/stethophone-pro/id6739212032/reviews)** |
| Number of ratings | **13** | 3 |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free | Free |
| Size | 63 MB | 80 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [StratoScientific, Inc.](https://appshunter.io/developer/961190181) | [Sparrow Acoustics Inc.](https://appshunter.io/developer/1569458168) |

## What reviewers say

### Steth IO

[App page](https://appshunter.io/ios/app/steth-io/id961190182)

Record and visualize biological sounds using specialized hardware. This application transforms your device into a tool for capturing and analyzing bodily acoustics.

**Highlights:** Record biological sounds, Visualize sound data, Compatible with Steth IO hardware, Analyze bodily acoustics

**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 Steth IO free?

Steth IO 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, Steth IO or Stethophone PRO?

Stethophone PRO is rated higher. Steth IO averages 4.2 out of 5 from 13 ratings, while Stethophone PRO averages 5.0 from 3 ratings.

### Do Steth IO or Stethophone PRO have ads?

Neither Steth IO nor Stethophone PRO shows ads.

### Which is updated more often, Steth IO or Stethophone PRO?

Steth IO ships an update every 2 months, and Stethophone PRO every 4 months. Most recently, Steth IO was updated on September 9, 2026 and Stethophone PRO on July 7, 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.*