# ECG  Interpretation. Lite. vs Справочник MSD профи

The clearest difference is review sentiment: Справочник MSD профи at 89% against ECG  Interpretation. Lite.'s 3%. Справочник MSD профи also leads on rating (4.9 vs 2.4) and update cadence (every 7 months vs every 15 months). ECG  Interpretation. Lite.'s advantage is iOS requirement (9.0 vs 13.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Справочник MSD профи holds the better App Store score, 4.9 against 2.4. Both are backed by a comparable volume of ratings — 14 and 7 respectively. Written reviews point the same way: 3% of ECG  Interpretation. Lite.'s written reviews are positive against 89% of Справочник MSD профи's.

ECG  Interpretation. Lite. ships an update every 15 months, Справочник MSD профи every 7 months. The most recent releases landed on October 13, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | ECG  Interpretation. Lite. | Справочник MSD профи |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.4 (14 ratings)](https://appshunter.io/ios/app/ecg-interpretation-lite/id1247646095/reviews) | **[4.9 (7 ratings)](https://appshunter.io/ios/app/msd/id1547442149/reviews)** |
| Number of ratings | **14** | 7 |
| Positive reviews | 3.3% of reviews | **88.9% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 7 months** |
| Monetization | Free | Free |
| Size | 46 MB | 205 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Vladimir Perepukhov](https://appshunter.io/developer/1247646094) | [Merck Sharp & Dohme LLC](https://appshunter.io/developer/718617686) |

## What reviewers say

### ECG  Interpretation. Lite.

[App page](https://appshunter.io/ios/app/ecg-interpretation-lite/id1247646095)

This app helps medical professionals and students learn and practice electrocardiogram (ECG) interpretation. It offers explanations of pathologies, the cardiac conduction system, and interpretation rules, along with tests to reinforce knowledge.

**Highlights:** ECG interpretation learning, Pathology descriptions with examples, Cardiac conduction system structure, ECG interpretation rules, Knowledge testing and consolidation

**Features:** macOS Compatibility

**In-app purchases:** none


### Справочник MSD профи

[App page](https://appshunter.io/ios/app/msd/id1547442149)

This app provides medical professionals with comprehensive, up-to-date information on thousands of diseases and conditions across all major medical and surgical fields. It includes detailed explanations, images, videos, and self-assessment tests for continuous learning and practice.

**Highlights:** Thousands of diseases and conditions covered, Regularly updated clinical information, Images and illustrations of pathologies, Video guides for procedures and exams, Self-assessment tests, Medical news and expert commentary

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ECG  Interpretation. Lite. free?

ECG  Interpretation. Lite. is free to download, with no in-app purchases.

### Is Справочник MSD профи free?

Справочник MSD профи is free to download, with no in-app purchases.

### Which has better reviews, ECG  Interpretation. Lite. or Справочник MSD профи?

Справочник MSD профи is rated higher. ECG  Interpretation. Lite. averages 2.4 out of 5 from 14 ratings, while Справочник MSD профи averages 4.9 from 7 ratings.

### Do ECG  Interpretation. Lite. or Справочник MSD профи have ads?

Neither ECG  Interpretation. Lite. nor Справочник MSD профи shows ads.

### Which is updated more often, ECG  Interpretation. Lite. or Справочник MSD профи?

ECG  Interpretation. Lite. ships an update every 15 months, and Справочник MSD профи every 7 months. Most recently, ECG  Interpretation. Lite. was updated on October 13, 2026 and Справочник MSD профи on October 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*