# DART Sim for iPhone vs Rapid Response Tx

The clearest difference is review sentiment: Rapid Response Tx at 100% against DART Sim for iPhone's 0%. Rapid Response Tx also leads on price (Free vs $99.99) and rating (5.0 vs 3.3). DART Sim for iPhone's advantage is ratings volume (4 vs 1) and iOS requirement (16.4 vs 26.2). On ads, in-app purchases and device support there is nothing between them.

Rapid Response Tx is free to download; DART Sim for iPhone costs $99.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Rapid Response Tx holds the better App Store score, 5.0 against 3.3. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews point the same way: 0% of DART Sim for iPhone's written reviews are positive against 100% of Rapid Response Tx's.

DART Sim for iPhone ships an update every 56 months, Rapid Response Tx every 2 days. The most recent releases landed on October 25, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | DART Sim for iPhone | Rapid Response Tx |
| --- | --- | --- |
| Price | $99.99 | **Free** |
| Rating | [3.3 (4 ratings)](https://appshunter.io/ios/app/dart-sim-for-iphone/id1562814997/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rapid-response-tx/id6761060781/reviews)** |
| Number of ratings | **4** | 1 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 56 months | **Every 2 days** |
| Monetization | Paid | **Free** |
| Size | 21 MB | 13 MB |
| Requires iOS | **16.4** | 26.2 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 17+ |
| Developer | [STAR CPR San Diego](https://appshunter.io/developer/427133089) | [Andrew McGowan](https://appshunter.io/developer/1887571952) |

## 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


### Rapid Response Tx

[App page](https://appshunter.io/ios/app/rapid-response-tx/id6761060781)

This educational tool helps clinicians practice managing deteriorating patients. It focuses on rapid assessment, stabilization, and immediate management strategies during critical events. Designed for learning and informational purposes only.

**Highlights:** Stabilization strategies, Focused patient assessment, Key data review, Immediate management guidance, Educational tool for clinicians

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

**In-app purchases:** none


## Frequently asked questions

### Is DART Sim for iPhone free?

DART Sim for iPhone costs $99.99, with no in-app purchases.

### Is Rapid Response Tx free?

Rapid Response Tx is free to download, with no in-app purchases.

### Which has better reviews, DART Sim for iPhone or Rapid Response Tx?

Rapid Response Tx is rated higher. DART Sim for iPhone averages 3.3 out of 5 from 4 ratings, while Rapid Response Tx averages 5.0 from 1 ratings.

### Do DART Sim for iPhone or Rapid Response Tx have ads?

Neither DART Sim for iPhone nor Rapid Response Tx shows ads.

### Which is updated more often, DART Sim for iPhone or Rapid Response Tx?

DART Sim for iPhone ships an update every 56 months, and Rapid Response Tx every 2 days. Most recently, DART Sim for iPhone was updated on October 25, 2026 and Rapid Response Tx on October 15, 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.*