# ECG Books vs ECG+ | Your Watch ECG Reader

ECG Books and ECG+ | Your Watch ECG Reader both sit at 4.7 stars, but that hides the real split: 91% of ECG Books's written reviews are positive against 64% of ECG+ | Your Watch ECG Reader's. ECG Books also leads on iOS requirement (10.0 vs 18.0). ECG+ | Your Watch ECG Reader's advantage is update cadence (every 9 days vs monthly) and ratings volume (2.6K vs 160). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. ECG Books sells 10 one-off in-app purchases and ECG+ | Your Watch ECG Reader sells 5 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

ECG Books holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: ECG+ | Your Watch ECG Reader has 2.6K ratings behind it against 160, so its average is the more settled of the two. Written reviews point the same way: 91% of ECG Books's written reviews are positive against 64% of ECG+ | Your Watch ECG Reader's.

ECG Books ships an update monthly, ECG+ | Your Watch ECG Reader every 9 days. Both last shipped on November 11, 2026.

## The numbers

| Metric | ECG Books | ECG+ | Your Watch ECG Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (160 ratings)](https://appshunter.io/ios/app/ecg-books/id739003604/reviews)** | [4.5 (2.6K ratings)](https://appshunter.io/ios/app/ecg-plus-your-watch-ecg-reader/id1567047859/reviews) |
| Number of ratings | 160 | **2.6K** |
| Positive reviews | **90.9% of reviews** | 64.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 9 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | — | **#25** |
| Size | 44 MB | 61 MB |
| Requires iOS | **10.0** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 12+ | 17+ |
| Developer | [WMS, Inc](https://appshunter.io/developer/471623357) | [Heartworks Pty Ltd](https://appshunter.io/developer/1783326256) |

## What reviewers say

### ECG Books

[App page](https://appshunter.io/ios/app/ecg-books/id739003604)

Access a vast library of real-world ECG recordings demonstrating various cardiac abnormalities. Learn to interpret ECG findings with concise explanations and detailed case studies. Practice with over 1000 abnormal ECG cases in movie or report modes.

**Highlights:** View real-time ECG recordings, Concise explanations of abnormalities, 1000+ abnormal ECG cases, Movie mode with heartbeat sounds, Report mode for measurement and sharing, Detailed information on causes, diagnosis, and treatment

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AF With RVR Book | $0.99 | one-time |
| Atrial Flutter Book | $1.99 | one-time |
| Long QT Prolongation Book | $1.99 | one-time |
| Pace Maker Book | $1.99 | one-time |
| First-degree Atrioventricular Book | $1.99 | one-time |
| II Degree AV Block Book | $1.99 | one-time |
| ST Elevation Book | $1.99 | one-time |
| Pulmonary Heart Disease Book | $2.99 | one-time |
| VT Book | $2.99 | one-time |
| ECG BOOKS PRO BUNDLE | $9.99 | one-time |

**What reviewers like**

- 👍 Detailed ECG explanations
- 🚀 Comprehensive ECG library
- 🤓 Helpful for learning and refreshing ECG knowledge
- 💡 Live ECG rhythm demonstrations
- 🎓 Great resource for medical/nursing students

**What reviewers complain about**

- 🐛 Occasional crashes or compatibility issues
- 💰 Paid version required to unlock full content
- 🔍 Could use more in-depth explanations for beginners
- 🤔 Some typos or minor issues in descriptions

**Reported bugs**

- Login/sync issues between devices
- Compatibility problems with newer iOS versions

**Requested features**

- Add more ECG cases and examples
- Include a quiz or practice mode
- Improve font size and readability
- Introduce a free trial or more sample content


### ECG+ | Your Watch ECG Reader

[App page](https://appshunter.io/ios/app/ecg-plus-your-watch-ecg-reader/id1567047859)

**Currently charting:** #25 Top Grossing · Medical (US App Store)

This app enhances your Apple Watch ECG recordings by calculating PQRST to reveal your unique heartbeat signature. It also monitors Heart Rate Variability (HRV), an objective measure of physical readiness, and integrates with Apple Health.

**Highlights:** ECG recording analysis, Heart Rate Variability (HRV) tracking, PQRST calculation, Heartbeat signature analysis, Apple Health integration

**Features:** Family Sharing, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ECG+ PREMIUM | $9.99 | per month |
| ECG+ PREMIUM | $59.99 | per year |
| ECG+ PREMIUM Family | $79.99 | per year |
| ECG+ PREMIUM (Lifetime) | $199.99 | one-time |
| ECG+ PREMIUM Family (Lifetime) | $299.99 | one-time |

**What reviewers like**

- 🚀 Accurate ECG readings
- 👍 Helpful in monitoring heart health
- 📊 Provides useful insights and data
- 🤖 Impressive algorithms and analysis

**What reviewers complain about**

- 🐛 Inconsistent performance and reliability
- 💰 Expensive subscription model
- 🤔 Limited functionality in free version
- ⚠️ Compatibility issues with older devices

**Reported bugs**

- App not working or crashing
- Inability to set up or connect with Apple Watch
- Inaccurate readings or interpretations

**Requested features**

- Percentage of Long QT interval
- More customization options
- Ability to export data
- Improved user guidance and documentation


## Frequently asked questions

### Is ECG Books free?

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

### Is ECG+ | Your Watch ECG Reader free?

ECG+ | Your Watch ECG Reader is free to download, with in-app purchases available.

### Which has better reviews, ECG Books or ECG+ | Your Watch ECG Reader?

ECG Books is rated higher. ECG Books averages 4.7 out of 5 from 160 ratings, while ECG+ | Your Watch ECG Reader averages 4.5 from 2.6K ratings.

### Do ECG Books or ECG+ | Your Watch ECG Reader have ads?

Neither ECG Books nor ECG+ | Your Watch ECG Reader shows ads.

### Which is updated more often, ECG Books or ECG+ | Your Watch ECG Reader?

ECG Books ships an update monthly, and ECG+ | Your Watch ECG Reader every 9 days. Most recently, ECG Books was updated on November 11, 2026 and ECG+ | Your Watch ECG Reader on November 11, 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.*