# ECG Tracker+ EKG Reader HRV vs i

The clearest difference is in-app purchases: i at none against ECG Tracker+ EKG Reader HRV's 5. i also leads on iOS requirement (16.6 vs 26.0). ECG Tracker+ EKG Reader HRV's advantage is chart position (#148 vs unranked). On price, ads and device support there is nothing between them.

Both are free to download. ECG Tracker+ EKG Reader HRV sells 3 in-app purchases, starting at $7.99 per month. i asks for nothing beyond the download.

## The numbers

| Metric | ECG Tracker+ EKG Reader HRV | i |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (30 ratings)](https://appshunter.io/ios/app/ecg-tracker-plus-ekg-reader-hrv/id6758300705/reviews)** | — |
| Number of ratings | **30** | — |
| Positive reviews | 46.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | — |
| Monetization | Freemium | — |
| Best chart rank | **#148** | — |
| Size | 116 MB | 77 MB |
| Requires iOS | 26.0 | **16.6** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Artur Teodorowicz](https://appshunter.io/developer/1872068468) | [ANDHRA PRADESH MEDTECH ZONE LIMITED](https://appshunter.io/developer/1575199861) |

## What reviewers say

### ECG Tracker+ EKG Reader HRV

[App page](https://appshunter.io/ios/app/ecg-tracker-plus-ekg-reader-hrv/id6758300705)

**Currently charting:** #148 Top Grossing · Medical (US App Store)

Analyze ECG recordings from compatible health apps on a calibrated grid. Measure key metrics like HRV and QTc, track trends over time, and export detailed PDF reports. All processing is done on-device for enhanced privacy.

**Highlights:** Calibrated waveform grid review, HRV, QTc, QRS duration measurement, Trend tracking over time, Notes and symptom tagging, Shareable PDF report export, On-device processing

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ECG Tracker+ Pro Monthly | $7.99 | per month |
| ECG Tracker+ Pro Yearly | $59.99 | per year |
| ECG Tracker+ Pro Lifetime | $89.99 | one-time |


### i

[App page](https://appshunter.io/ios/app/i-lab/id6802606195)

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

**In-app purchases:** none


## Frequently asked questions

### Is ECG Tracker+ EKG Reader HRV free?

ECG Tracker+ EKG Reader HRV is free to download, with in-app purchases available.

### Is i free?

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

### Do ECG Tracker+ EKG Reader HRV or i have ads?

Neither ECG Tracker+ EKG Reader HRV nor i shows ads.

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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.*