# NK Dimensions AR vs ECG Practice

The clearest difference is rating: NK Dimensions AR at 5.0 against ECG Practice's 4.1. NK Dimensions AR also leads on in-app purchases (none vs 7) and update cadence (weekly vs every 2 months). ECG Practice's advantage is ratings volume (14 vs 3). On price, ads and device support there is nothing between them.

Both are free to download. ECG Practice sells 7 in-app purchases, starting at $5.09 per month. NK Dimensions AR asks for nothing beyond the download.

NK Dimensions AR holds the better App Store score, 5.0 against 4.1. Both are backed by a comparable volume of ratings — 3 and 14 respectively.

NK Dimensions AR ships an update weekly, ECG Practice every 2 months. The most recent releases landed on October 4, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | NK Dimensions AR | ECG Practice |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/nk-dimensions-ar/id1463051986/reviews)** | [4.1 (14 ratings)](https://appshunter.io/ios/app/ecg-practice/id6740402133/reviews) |
| Number of ratings | 3 | **14** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 212 MB | 98 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Nihon Kohden America, Inc.](https://appshunter.io/developer/1146663859) | [Nadav Shuker](https://appshunter.io/developer/1789759109) |

## 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 Practice

[App page](https://appshunter.io/ios/app/ecg-practice/id6740402133)

Master electrocardiogram interpretation with this app. It offers practice quizzes with AI explanations, comprehensive learning modules, and detailed statistics to track your progress. Ideal for medical students and professionals looking to enhance their diagnostic skills.

**Highlights:** Real ECG quizzes, AI-powered explanations, Personalized progress tracking, Comprehensive ECG topics, Interactive learning content, Daily practice reminders, Advanced statistics

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly15 | $5.09 | per month |
| Monthly Plan | $5.99 | per month |
| Yearly15 | $38.49 | per year |
| Annually Plan | $44.99 | per year |
| Monthly Plan | $7.99 | one-time |
| Annual Plan | $59.99 | one-time |
| Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is NK Dimensions AR free?

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

### Is ECG Practice free?

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

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

NK Dimensions AR is rated higher. NK Dimensions AR averages 5.0 out of 5 from 3 ratings, while ECG Practice averages 4.1 from 14 ratings.

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

Neither NK Dimensions AR nor ECG Practice shows ads.

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

NK Dimensions AR ships an update weekly, and ECG Practice every 2 months. Most recently, NK Dimensions AR was updated on October 4, 2026 and ECG Practice on October 8, 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.*