# The Cardiac Calculator — CC

> Clinical ECG and pacing calculation tools for cardiac professionals. (iPhone/iPad app by Cardiac Tech Ltd.)

- Source: https://appshunter.io/ios/app/the-cardiac-calculator/id6444764693 (this page in markdown: same URL + `.md`)
- Developer: [Cardiac Tech Ltd](https://appshunter.io/developer/1656676753)
- Category: Medical
- Price: $0.99 (on sale, was $2.99)
- Rating: 1.00/5 from 1 App Store ratings · 2 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.0 · 7 MB
- Languages: American English
- Released: 2022-12-07
- Data updated: 2026-08-27
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/the-cardiac-calculator/id6444764693/reviews.md

## What is The Cardiac Calculator?

Cardiac Calculator delivers fast, accurate and clinically focused tools designed to streamline everyday ECG and pacing calculations. Whether you’re working in the cath lab, pacemaker clinic or assessing patients on the wards, the app brings clear, reliable cardiac measurements straight to your fingertips.

This update introduces a powerful new pacing section with dedicated tools for TARP calculation, 2:1 block rate estimation and a streamlined PMT helper to support rapid pacing decisions. A brand-new Pulse Checker has also been added, offering a simple way to assess pulse rate and rhythm when an ECG machine isn’t available. The app now features improved number entry, smoother navigation and general interface refinements for a cleaner, faster experience throughout.

Core features:
	•	ms to BPM converter
	•	BPM to ms converter
	•	Small squares to ms calculator
	•	Cardiac axis assistant
	•	Height and weight converter
	•	BMI calculator
	•	CHA₂DS₂-VASc calculator
	•	HAS-BLED calculator

Pacing tools:
	•	TARP calculator
	•	2:1 block rate calculator
	•	PMT helper
	•	Pulse Checker for quick rate and rhythm assessment

Designed with cardiac professionals in mind, Cardiac Calculator helps you make accurate, on-the-go clinical calculations with confidence and clarity.

## Key features

- ECG and pacing calculations
- Rate conversion (ms to BPM, BPM to ms)
- Cardiac axis assistant
- BMI and height/weight converter
- CHA₂DS₂-VASc and HAS-BLED calculators
- Pacing tools (TARP, 2:1 block, PMT helper)
- Pulse Checker for rate/rhythm assessment

## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/the-cardiac-calculator/id6444764693/reviews.md

### 1/5 — Still doesn’t work

*2026-02-25*

Update from previous review where I gave this a 1 star as I only got jumbled text when I opened it.  The developer asked me to give it another try.  I was on an iPhone 10 at that time.  On iPhone 17 still doesn’t work with overlapping text and a complete failure to do anything.  Sorry, still a 1 star

**Developer response:** My apologies for this - I have recently sent through some updates. Could you let me know if the app still not working on your phone? Could you also tell me which IPhone you are using and I will endeavour to get the app functional for your phone model. Thanks, Dan

### 1/5 — Horrible app

*2023-03-18*

It doesn’t work at all. The App looks like it isn’t finished building yet so when you open it the letters do not even appear properly in boxes. You type in ms and hit calculate to convert it to bpm and literally nothing happens. Waste of money!

**Developer response:** My apologies for this - I have recently sent through some updates. Is the app still not working on your phone? Could you also tell me which IPhone you are using and I will endeavour to get the app functional for your phone model. Thanks, Dan

## Frequently asked questions about The Cardiac Calculator

### What is Cardiac Calculator used for?

Cardiac Calculator provides fast, accurate, and clinically focused tools for everyday ECG and pacing calculations. It helps cardiac professionals make on-the-go clinical measurements with confidence and clarity.

### What specific calculations does Cardiac Calculator offer?

It includes tools like ms to BPM converter, BPM to ms converter, small squares to ms calculator, cardiac axis assistant, height and weight converter, BMI calculator, CHA₂DS₂-VASc calculator, and HAS-BLED calculator.

### Does Cardiac Calculator have pacing-specific tools?

Yes, Cardiac Calculator features a dedicated pacing section with tools for TARP calculation, 2:1 block rate estimation, a PMT helper, and a Pulse Checker for quick rate and rhythm assessment.

### What devices does Cardiac Calculator support?

Cardiac Calculator is available for iPhone and iPod devices.

### How much does Cardiac Calculator cost?

Cardiac Calculator is a paid app, priced at $0.99.

### When was Cardiac Calculator last updated?

The latest version, 2.2, was last updated on November 17, 2025.

### What is the age rating for Cardiac Calculator?

Cardiac Calculator has an age rating of 4+.

### Does Cardiac Calculator have ads?

No, Cardiac Calculator does not contain advertisements.

## Version history (last 5 releases)

### 2.2 — 2025-11-17

This update brings a major upgrade to the app with an all-new pacing section featuring dedicated tools for TARP calculation, 2:1 block rate estimation and a streamlined PMT helper to support quick, accurate pacing decisions. We’ve also introduced a brand-new Pulse Checker designed to help assess pulse rate and rhythm when an ECG machine isn’t at hand. Alongside these additions, you’ll find improved number pad behaviour, smoother navigation and a range of UI and performance refinements:
	•	New pacing section with TARP, 2:1 block rate and PMT helper
	•	All-new Pulse Checker for quick pulse rate and rhythm assessment
	•	Enhanced number pad functionality across calculators
	•	Refined interface for faster, clearer navigation
	•	General bug fixes and performance improvements

### 2.1 — 2025-11-16

This update introduces a completely new 30-second Pulse Checker, allowing you to tap along with a pulse to instantly estimate heart rate and assess rhythm irregularity. We’ve also improved control of the number pad across the app for smoother, more reliable data entry, along with a handful of minor bug fixes and stability enhancements to keep everything running seamlessly.

### 2 — 2025-11-16

Added new pacing section with: 
     - TARP Calculator
     - 2:1 Block Rate Calculator
     - PMT Helper for PVARP optimisation
 Also Improved keyboard handling

### 1.2 — 2023-01-03

BMI calculator and chart added as a new function - Some further bug fixes in Chads2-Vasc and Has-Bled as well as updates to run the app on other iPhone models.

### 1.1 — 2022-12-11

A few errors corrected, cursors added to text fields and website link fixed.

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## Related topics

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-27.*