# PhET Simulations vs Under the Stethoscope

The clearest difference is price: Under the Stethoscope at Free against PhET Simulations's $0.99. Under the Stethoscope also leads on iOS requirement (8.0 vs 15.0). PhET Simulations's advantage is review sentiment (66% vs 30%) and chart position (#24 vs unranked). On ads, in-app purchases and device support there is nothing between them.

Under the Stethoscope is free to download; PhET Simulations costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | PhET Simulations | Under the Stethoscope |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.5 (48 ratings)](https://appshunter.io/ios/app/phet-simulations/id1134126831/reviews)** | — |
| Number of ratings | **48** | — |
| Positive reviews | **65.5% of reviews** | 30.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | — |
| Monetization | Paid | **Free** |
| Best chart rank | **#24** | — |
| Size | 125 MB | 313 MB |
| Requires iOS | 15.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [University of Colorado Boulder](https://appshunter.io/developer/972210292) | [Creo Inc.](https://appshunter.io/developer/564283477) |

## What reviewers say

### PhET Simulations

[App page](https://appshunter.io/ios/app/phet-simulations/id1134126831)

**Currently charting:** #24 Top Paid · Education (US App Store)

Explore science and math concepts through interactive simulations. This app provides over 75 HTML5 simulations for learning about atoms, energy, multiplication, and more. It's ideal for students, parents, and educators, offering offline access and multiple language support.

**Highlights:** Interactive science and math simulations, Offline play capability, Multiple language support, Customizable favorites collection, Automatic simulation updates, Easy simulation sorting

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Under the Stethoscope

[App page](https://appshunter.io/ios/app/under-the-stethoscope/id1443914534)

An educational game where players act as doctors to test their knowledge of sexually transmitted and blood-borne infections. It's designed for youth aged 12 and over to raise awareness and address myths surrounding STBBIs.

**Highlights:** Role-play as a doctor, Test STBBI knowledge, Raise awareness about infections, Debunk myths about STBBIs, Learn preventive strategies, Identify available resources

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PhET Simulations free?

PhET Simulations costs $0.99, with no in-app purchases.

### Is Under the Stethoscope free?

Under the Stethoscope is free to download, with no in-app purchases.

### Do PhET Simulations or Under the Stethoscope have ads?

Neither PhET Simulations nor Under the Stethoscope shows ads.

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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.*