# EP QTc vs ECG+ | Your Watch ECG Reader

The clearest difference is price: ECG+ | Your Watch ECG Reader at Free against EP QTc's $0.99. ECG+ | Your Watch ECG Reader also leads on update cadence (every 9 days vs every 7 months) and ratings volume (2.6K vs 1). EP QTc's advantage is rating (5.0 vs 4.5) and in-app purchases (none vs 5). On ads, device support and iOS requirement there is nothing between them.

ECG+ | Your Watch ECG Reader is free to download; EP QTc costs $0.99 up front. ECG+ | Your Watch ECG Reader sells 5 in-app purchases, starting at $9.99 per month. EP QTc asks for nothing beyond the download.

EP QTc holds the better App Store score, 5.0 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 1, so its average is the more settled of the two.

EP QTc ships an update every 7 months, ECG+ | Your Watch ECG Reader every 9 days. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | EP QTc | ECG+ | Your Watch ECG Reader |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ep-qtc/id1393849228/reviews)** | [4.5 (2.6K ratings)](https://appshunter.io/ios/app/ecg-plus-your-watch-ecg-reader/id1567047859/reviews) |
| Number of ratings | 1 | **2.6K** |
| Positive reviews | — | 64.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 9 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | — | **#38** |
| Size | 8 MB | 151 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Apple Watch |
| Age rating | 12+ | 17+ |
| Developer | [EP Studios](https://appshunter.io/developer/574231798) | [Heartworks Pty Ltd](https://appshunter.io/developer/1783326256) |

## What reviewers say

### EP QTc

[App page](https://appshunter.io/ios/app/ep-qtc/id1393849228)

This medical app provides over 30 formulas for calculating corrected and predicted QT intervals (QTc and QTp). It includes details on each formula, reference links, statistical analysis, and graphing of results. Definitions of normal and abnormal QTc intervals are also provided.

**Highlights:** Over 30 QTc and QTp calculation formulas, Detailed formula information and references, Statistical analysis of results, Graphical representation of data, Definitions of normal/abnormal QTc intervals

**Features:** Vision Pro support

**In-app purchases:** none


### ECG+ | Your Watch ECG Reader

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

**Currently charting:** #38 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

**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 EP QTc free?

EP QTc costs $0.99, with no in-app purchases.

### 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, EP QTc or ECG+ | Your Watch ECG Reader?

EP QTc is rated higher. EP QTc averages 5.0 out of 5 from 1 ratings, while ECG+ | Your Watch ECG Reader averages 4.5 from 2.6K ratings.

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

Neither EP QTc nor ECG+ | Your Watch ECG Reader shows ads.

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

EP QTc ships an update every 7 months, and ECG+ | Your Watch ECG Reader every 9 days. Most recently, EP QTc was updated on November 2, 2026 and ECG+ | Your Watch ECG Reader on November 3, 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.*