# DoctorMail vs CARDIO

DoctorMail and CARDIO are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

DoctorMail ships an update every 2 months, CARDIO monthly. The most recent releases landed on October 12, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | DoctorMail | CARDIO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (2 ratings)](https://appshunter.io/ios/app/doctormail/id1456377832/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | — |
| Size | 19 MB | 2 MB |
| Requires iOS | **12.0** | 12.3 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [NKS, OOO (Moscow)](https://appshunter.io/developer/1456377831) | [CardioQVARK, OOO](https://appshunter.io/developer/1320898121) |

## What reviewers say

### DoctorMail

[App page](https://appshunter.io/ios/app/doctormail/id1456377832)

This app helps you monitor your heart health by manually logging blood pressure and pulse readings. It tracks your average metrics, identifies deviations from WHO standards, and can share this data securely with your chosen doctor. You can use it independently or connected to a doctor within the DoctorMail system.

**Highlights:** Manual blood pressure and pulse logging, Average metric tracking, Deviation alerts based on WHO standards, Secure data sharing with doctors, Independent use or doctor-linked monitoring, Emergency alerts with on-call doctor contact

**Features:** macOS Compatibility

**In-app purchases:** none


### CARDIO

[App page](https://appshunter.io/ios/app/cardio/id1478409159)

**In-app purchases:** none


## Frequently asked questions

### Is DoctorMail free?

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

### Is CARDIO free?

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

### Do DoctorMail or CARDIO have ads?

Neither DoctorMail nor CARDIO shows ads.

### Which is updated more often, DoctorMail or CARDIO?

DoctorMail ships an update every 2 months, and CARDIO monthly. Most recently, DoctorMail was updated on October 12, 2026 and CARDIO on October 18, 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.*