# CCU Guide vs The narnar app

The clearest difference is review sentiment: CCU Guide at 100% against The narnar app's 0%. CCU Guide also leads on device support (4 vs 1). The narnar app's advantage is rating (4.8 vs 4.1) and in-app purchases (none vs 5). On price, ratings volume, update cadence and iOS requirement there is nothing between them.

Both are free to download. CCU Guide sells 5 in-app purchases, starting at $3.79 per year. The narnar app asks for nothing beyond the download.

The narnar app holds the better App Store score, 4.8 against 4.1. Both are backed by a comparable volume of ratings — 14 and 8 respectively. Written reviews complicate that: 100% of CCU Guide's written reviews are positive against 0% of The narnar app's, so the app with the better star average is not the one people write more warmly about.

CCU Guide ships an update every 4 months, The narnar app every 3 months. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | CCU Guide | The narnar app |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (14 ratings)](https://appshunter.io/ios/app/ccu-guide/id1293643054/reviews) | **[4.8 (8 ratings)](https://appshunter.io/ios/app/the-narnar-app/id1338238999/reviews)** |
| Number of ratings | **14** | 8 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 144 MB | 13 MB |
| Requires iOS | **13.0** | 14.3 |
| Devices | **iPhone, iPad, iPod, Mac** | iPad |
| Age rating | 17+ | 12+ |
| Developer | [Skyscape Medpresso Inc](https://appshunter.io/developer/818609416) | [narnar, LLC](https://appshunter.io/developer/1058713005) |

## What reviewers say

### CCU Guide

[App page](https://appshunter.io/ios/app/ccu-guide/id1293643054)

A comprehensive medical resource for cardiology professionals and students, offering quick access to essential information, clinical trials, and diagnostic tools. It provides a concise bedside reference for patient care, covering everything from physical examinations to advanced treatment recommendations.

**Highlights:** Cardiology clinical trials summaries, Patient care bedside resource, EKG interpretation and algorithms, Cardiac medication details, 60+ medical calculators, Cardiac catheterization review, Rhythm analyzer database

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 25% off for Limited Period | $3.79 | per year |
| 20% off for Limited Period | $3.99 | per year |
| 15% off for Limited Period | $4.29 | per year |
| CCU Guide 1/Y Sub | $4.99 | per year |
| Cardiac Care Unit Guide | $4.99 | one-time |


### The narnar app

[App page](https://appshunter.io/ios/app/the-narnar-app/id1338238999)

This application aids researchers in processing and quantifying perfusion studies for contrast-enhanced ultrasound. It supports various organs and research protocols, offering real-time analysis of microvascular blood flow.

**Highlights:** Perfusion study processing, Quantification of microvascular blood flow, Supports various organs and research protocols, Automatic and manual image alignment, Real-time time-videointensity curve analysis, Parametric imaging of blood flow

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CCU Guide free?

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

### Is The narnar app free?

The narnar app is free to download, with no in-app purchases.

### Which has better reviews, CCU Guide or The narnar app?

The narnar app is rated higher. CCU Guide averages 4.1 out of 5 from 14 ratings, while The narnar app averages 4.8 from 8 ratings.

### Do CCU Guide or The narnar app have ads?

CCU Guide shows ads; The narnar app does not.

### Which is updated more often, CCU Guide or The narnar app?

CCU Guide ships an update every 4 months, and The narnar app every 3 months. Most recently, CCU Guide was updated on October 24, 2026 and The narnar app on October 16, 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.*