# ECG Test for Doctors vs NDSS

The clearest difference is review sentiment: ECG Test for Doctors at 81% against NDSS's 6%. NDSS's advantage is in-app purchases (none vs 1) and update cadence (every 2 weeks vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. ECG Test for Doctors sells 1 one-off in-app purchase. NDSS asks for nothing beyond the download.

ECG Test for Doctors ships an update monthly, NDSS every 2 weeks. Both last shipped on November 1, 2026.

## The numbers

| Metric | ECG Test for Doctors | NDSS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (395 ratings)](https://appshunter.io/ios/app/ecg-test-for-doctors/id757666618/reviews)** | — |
| Number of ratings | **395** | — |
| Positive reviews | **80.8% of reviews** | 5.9% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 69 MB | 3 MB |
| Requires iOS | 13.0 | **6.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [WMS, Inc](https://appshunter.io/developer/471623357) | [Silverline Consulting Pty Ltd](https://appshunter.io/developer/584265480) |

## What reviewers say

### ECG Test for Doctors

[App page](https://appshunter.io/ios/app/ecg-test-for-doctors/id757666618)

Enhance your ECG interpretation skills with a vast library of real patient cases. This app offers detailed ECG recordings and interactive tests to challenge and improve your diagnostic abilities. Ideal for medical professionals and students seeking to build a strong cardiology foundation.

**Highlights:** 1000+ real patient ECG samples, Static images and real-time monitor, Interactive interpretation tests, Detailed wave analysis, Covers numerous ECG findings, Challenging case scenarios

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ECG Pro Bundle | $9.99 | one-time |

**What reviewers like**

- 👍 Great practice
- 👍 Helpful study tool
- 👍 Challenging and keeping you up with the skills needed
- 👍 Recommended for any junior cardiologists
- 👍 Good for medics needing practice in ECG interpretations

**What reviewers complain about**

- 🐛 Incorrect interpretations
- 🐛 Lacks basic understanding of 12-lead ECG interpretation
- 🐛 Asks to identify infarct locations without 12-lead view
- 🐛 Doesn't tell you what ECG lead you're seeing
- 🐛 Provides limited options for answers

**Reported bugs**

- Incorrect interpretations of rhythms like bigeminy, trigeminy, and ST changes
- Answers not matching the ECG shown
- Crashes and freezes on login screen
- Incompatible with older devices

**Requested features**

- Add report feature for ECGs missing important findings
- Provide physiological explanations for rhythms
- Show the ECG lead being displayed
- Add more beginner-level ECG cases
- Provide full coding instead of just a few possible diagnoses


### NDSS

[App page](https://appshunter.io/ios/app/ndss/id997231464)

Easily locate nearby NDSS registered pharmacies. Get essential contact details, opening hours, and seamless navigation to your chosen pharmacy.

**Highlights:** Find nearby pharmacies, Pharmacy contact information, Easy navigation, Pharmacy open/close times

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

**In-app purchases:** none


## Frequently asked questions

### Is ECG Test for Doctors free?

ECG Test for Doctors is free to download, with in-app purchases available.

### Is NDSS free?

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

### Do ECG Test for Doctors or NDSS have ads?

Neither ECG Test for Doctors nor NDSS shows ads.

### Which is updated more often, ECG Test for Doctors or NDSS?

ECG Test for Doctors ships an update monthly, and NDSS every 2 weeks. Most recently, ECG Test for Doctors was updated on November 1, 2026 and NDSS on November 1, 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.*