# Certa Dose vs ECG / EKG Explained Clearly

The clearest difference is review sentiment: Certa Dose at 100% against ECG / EKG Explained Clearly's 50%. Certa Dose also leads on rating (5.0 vs 4.7). ECG / EKG Explained Clearly's advantage is monetization model (free vs subscription) and update cadence (monthly vs every 3 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Certa Dose sells 2 in-app purchases, starting at $3.99 per month and ECG / EKG Explained Clearly sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Certa Dose holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 5 and 6 respectively. Written reviews point the same way: 100% of Certa Dose's written reviews are positive against 50% of ECG / EKG Explained Clearly's.

Certa Dose ships an update every 3 months, ECG / EKG Explained Clearly monthly. The most recent releases landed on October 10, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Certa Dose | ECG / EKG Explained Clearly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/certa-dose/id1524942244/reviews)** | [4.7 (6 ratings)](https://appshunter.io/ios/app/ecg-ekg-explained-clearly/id1546551349/reviews) |
| Number of ratings | 5 | **6** |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Subscription | **Free** |
| Size | 16 MB | 19 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Certa Dose, Inc.](https://appshunter.io/developer/1524942636) | [MedCram](https://appshunter.io/developer/1546551351) |

## What reviewers say

### Certa Dose

[App page](https://appshunter.io/ios/app/certa-dose/id1524942244)

This app helps healthcare professionals confidently administer high-risk medications. It provides visual verification for each step, estimates weight-based doses, and documents sessions instantly. Designed to reduce critical dosing errors, it offers peace of mind in high-stress medical environments.

**Highlights:** Visual medication administration verification, Weight-based dose estimation, Syringe volume visualization, Instant session documentation, Medication information and contraindications, Virtual pediatric measuring tape

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly plan | $3.99 | per month |
| Yearly subscription | $29.99 | per year |


### ECG / EKG Explained Clearly

[App page](https://appshunter.io/ios/app/ecg-ekg-explained-clearly/id1546551349)

Learn a systematic approach to interpreting ECGs with concise videos, quizzes, and practice examples. This course is designed for healthcare professionals and students seeking to master cardiac physiology and EKG analysis.

**Highlights:** Systematic EKG interpretation approach, Understanding of heart's electrical activity, Illustrations of abnormal EKG findings, Hands-on practice with 11 blank EKGs, Reinforcement of cardiac physiology, 10 CME credits included

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full ECG Course Access | $109.99 | one-time |


## Frequently asked questions

### Is Certa Dose free?

Certa Dose is free to download, with in-app purchases available.

### Is ECG / EKG Explained Clearly free?

ECG / EKG Explained Clearly is free to download, with in-app purchases available.

### Which has better reviews, Certa Dose or ECG / EKG Explained Clearly?

Certa Dose is rated higher. Certa Dose averages 5.0 out of 5 from 5 ratings, while ECG / EKG Explained Clearly averages 4.7 from 6 ratings.

### Do Certa Dose or ECG / EKG Explained Clearly have ads?

Neither Certa Dose nor ECG / EKG Explained Clearly shows ads.

### Which is updated more often, Certa Dose or ECG / EKG Explained Clearly?

Certa Dose ships an update every 3 months, and ECG / EKG Explained Clearly monthly. Most recently, Certa Dose was updated on October 10, 2026 and ECG / EKG Explained Clearly on September 26, 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.*