# NK Dimensions AR vs ECG Interpretation

The clearest difference is in-app purchases: NK Dimensions AR at none against ECG Interpretation's 1. NK Dimensions AR also leads on ads (none vs shown) and update cadence (weekly vs every 5 months). On price, rating, ratings volume and device support there is nothing between them.

Both are free to download. ECG Interpretation sells 1 in-app purchase, starting at $29.99 per year. NK Dimensions AR asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for NK Dimensions AR against 5.0 for ECG Interpretation. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

NK Dimensions AR ships an update weekly, ECG Interpretation every 5 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | NK Dimensions AR | ECG Interpretation |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/nk-dimensions-ar/id1463051986/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/ecg-interpretation-pkt-guide/id1633603649/reviews) |
| Number of ratings | **3** | 2 |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 5 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 212 MB | 46 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Nihon Kohden America, Inc.](https://appshunter.io/developer/1146663859) | [Skyscape Medpresso Inc](https://appshunter.io/developer/818609416) |

## What reviewers say

### NK Dimensions AR

[App page](https://appshunter.io/ios/app/nk-dimensions-ar/id1463051986)

Learn proper electrode placement for 3 and 6 lead sets. This app also educates clinicians on identifying and understanding common cardiac arrhythmias. Requires physical posters to use.

**Highlights:** Electrode placement learning, 3 and 6 lead set guidance, Cardiac arrhythmia identification, Clinical education tool, Augmented reality visualization

**Features:** macOS Compatibility

**In-app purchases:** none


### ECG Interpretation

[App page](https://appshunter.io/ios/app/ecg-interpretation-pkt-guide/id1633603649)

This pocket guide offers essential skills for ECG interpretation, rhythm strip analysis, and arrhythmia treatment. It features helpful charts, illustrations, and definitions for students and new nurses. Access content offline and use smart search for quick information retrieval.

**Highlights:** ECG interpretation and rhythm strip analysis, Arrhythmia identification and treatment, Helpful charts, illustrations, and definitions, Offline content access, SmartSearch technology, Practice Q&A and ACLS algorithms

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ECG Interpret. PktGuide 1Y Sub | $29.99 | per year |


## Frequently asked questions

### Is NK Dimensions AR free?

NK Dimensions AR is free to download, with no in-app purchases.

### Is ECG Interpretation free?

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

### Which has better reviews, NK Dimensions AR or ECG Interpretation?

NK Dimensions AR and ECG Interpretation are both rated 5.0 out of 5 on the App Store, from 3 and 2 ratings respectively.

### Do NK Dimensions AR or ECG Interpretation have ads?

ECG Interpretation shows ads; NK Dimensions AR does not.

### Which is updated more often, NK Dimensions AR or ECG Interpretation?

NK Dimensions AR ships an update weekly, and ECG Interpretation every 5 months. Most recently, NK Dimensions AR was updated on November 3, 2026 and ECG Interpretation on November 3, 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.*