# Kardi.ru vs CardioQVARK

The clearest difference is review sentiment: Kardi.ru at 67% against CardioQVARK's 20%. CardioQVARK's advantage is iOS requirement (9.0 vs 13.0). On price, update cadence, 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.

Kardi.ru ships an update every 2 months, CardioQVARK every 6 weeks. Both last shipped on November 2, 2026.

## The numbers

| Metric | Kardi.ru | CardioQVARK |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **66.7% of reviews** | 20.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 30 MB | 55 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Medical Computer Systems, LTD](https://appshunter.io/developer/1111486416) | [CardioQVARK, OOO](https://appshunter.io/developer/1320898121) |

## What reviewers say

### Kardi.ru

[App page](https://appshunter.io/ios/app/kardiru/id1111486417)

Access and monitor your heart health data from a connected medical device. View ECG results, track your cardiovascular condition's progress, and receive updates from your doctor. Integrates with compatible blood pressure monitors for a comprehensive health overview.

**Highlights:** View ECG research results, Track heart condition dynamics, Receive notifications for new studies, Adjust personal data, Integrates with A&D UA-911BTC tonometers, Bluetooth data transfer from tonometers

**Features:** macOS Compatibility

**In-app purchases:** none


### CardioQVARK

[App page](https://appshunter.io/ios/app/cardioqvark/id1320898122)

Monitor your heart health with this app, connecting to a compatible device to record ECG and photoplethysmogram readings. Review analyses, share data with your doctor, and store results in your health app.

**Highlights:** ECG and photoplethysmogram recording, Automatic analysis of readings, View saved records, Share ECGs with doctor, Integrate with Apple Health, Device connectivity

**In-app purchases:** none


## Frequently asked questions

### Is Kardi.ru free?

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

### Is CardioQVARK free?

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

### Do Kardi.ru or CardioQVARK have ads?

Neither Kardi.ru nor CardioQVARK shows ads.

### Which is updated more often, Kardi.ru or CardioQVARK?

Kardi.ru ships an update every 2 months, and CardioQVARK every 6 weeks. Most recently, Kardi.ru was updated on November 2, 2026 and CardioQVARK on November 2, 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.*