# Stethophone PRO vs TSM Scale

The clearest difference is device support: TSM Scale at 3 against Stethophone PRO's 1. TSM Scale also leads on iOS requirement (15.6 vs 18.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on July 7, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Stethophone PRO | TSM Scale |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/stethophone-pro/id6739212032/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Monetization | Free | — |
| Size | 80 MB | 21 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Sparrow Acoustics Inc.](https://appshunter.io/developer/1569458168) | [BAPTIST HEALTH MEDICAL GROUP PHYSICIANS, LLC](https://appshunter.io/developer/1895664627) |

## What reviewers say

### 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


### TSM Scale

[App page](https://appshunter.io/ios/app/tsm-scale/id6764157658)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Stethophone PRO free?

Stethophone PRO is free to download, with no in-app purchases.

### Is TSM Scale free?

TSM Scale is free to download, with no in-app purchases.

### Do Stethophone PRO or TSM Scale have ads?

Neither Stethophone PRO nor TSM Scale shows ads.

### Which is updated more often, Stethophone PRO or TSM Scale?

Stethophone PRO ships an update every 4 months, and TSM Scale every 4 months. Most recently, Stethophone PRO was updated on July 7, 2026 and TSM Scale on September 14, 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.*