# DART Sim for iPhone vs ViscoelasticsApp

The clearest difference is price: ViscoelasticsApp at Free against DART Sim for iPhone's $79.99. ViscoelasticsApp also leads on update cadence (every 4 days vs every 56 months). DART Sim for iPhone's advantage is in-app purchases (none vs 2). On ads, device support and iOS requirement there is nothing between them.

ViscoelasticsApp is free to download; DART Sim for iPhone costs $79.99 up front. ViscoelasticsApp sells 2 in-app purchases, starting at $4.99 per month. DART Sim for iPhone asks for nothing beyond the download.

DART Sim for iPhone ships an update every 56 months, ViscoelasticsApp every 4 days. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | DART Sim for iPhone | ViscoelasticsApp |
| --- | --- | --- |
| Price | $79.99 | **Free** |
| Rating | **[3.3 (4 ratings)](https://appshunter.io/ios/app/dart-sim-for-iphone/id1562814997/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 56 months | **Every 4 days** |
| Monetization | Paid | — |
| Size | 21 MB | 42 MB |
| Requires iOS | 16.4 | 16.4 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 17+ |
| Developer | [STAR CPR San Diego](https://appshunter.io/developer/427133089) | [MONGICORE S.A.S](https://appshunter.io/developer/1896712619) |

## What reviewers say

### DART Sim for iPhone

[App page](https://appshunter.io/ios/app/dart-sim-for-iphone/id1562814997)

This educational application simulates a cardiac monitor and ECG rhythm simulator, allowing users to practice various medical procedures like defibrillation, capnography, and x-rays. It's designed for instructors and students to hone their skills using their iPhone.

**Highlights:** 26 cardiac rhythms, 12-lead rhythm viewing/printing, 18 capnography waveforms, 20 trauma/medical x-rays, ACLS, PALS, and NRP scenarios, Defibrillation simulation, Medication administration practice

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

**In-app purchases:** none


### ViscoelasticsApp

[App page](https://appshunter.io/ios/app/viscoelasticsapp/id6770065023)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $4.99 | per month |
| Premium Yearly | $44.99 | per year |


## Frequently asked questions

### Is DART Sim for iPhone free?

DART Sim for iPhone costs $79.99, with no in-app purchases.

### Is ViscoelasticsApp free?

ViscoelasticsApp is free to download, with in-app purchases available.

### Do DART Sim for iPhone or ViscoelasticsApp have ads?

Neither DART Sim for iPhone nor ViscoelasticsApp shows ads.

### Which is updated more often, DART Sim for iPhone or ViscoelasticsApp?

DART Sim for iPhone ships an update every 56 months, and ViscoelasticsApp every 4 days. Most recently, DART Sim for iPhone was updated on November 3, 2026 and ViscoelasticsApp on November 5, 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.*