# Cardiac MRI Guide vs Math Balance

The clearest difference is price: Cardiac MRI Guide at Free against Math Balance's $1.99. Cardiac MRI Guide also leads on update cadence (every 2 weeks vs every 6 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Cardiac MRI Guide is free to download; Math Balance costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Cardiac MRI Guide ships an update every 2 weeks, Math Balance every 6 months. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Cardiac MRI Guide | Math Balance |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/cardiac-mri-guide/id6470474057/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 months |
| Monetization | Free | — |
| Size | 48 MB | 54 MB |
| Requires iOS | 15 | 15 |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Hilmar Spohr](https://appshunter.io/developer/1713506814) | [Activities for Learning inc.](https://appshunter.io/developer/406078584) |

## What reviewers say

### Cardiac MRI Guide

[App page](https://appshunter.io/ios/app/cardiac-mri-guide/id6470474057)

This application provides essential cardiac MRI calculators for assessing heart function and blood flow. It includes tools for volume and regurgitation measurements, along with links to relevant research articles and PubMed.

**Highlights:** Cardiac MRI calculators, LV/RV volume assessment, Ejection fraction calculation, Regurgitation measurement, ECV estimation, Normal values tables, PubMed links

**In-app purchases:** none


### Math Balance

[App page](https://appshunter.io/ios/app/math-balance/id6760101073)

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

**In-app purchases:** none


## Frequently asked questions

### Is Cardiac MRI Guide free?

Cardiac MRI Guide is free to download, with no in-app purchases.

### Is Math Balance free?

Math Balance costs $1.99, with no in-app purchases.

### Do Cardiac MRI Guide or Math Balance have ads?

Neither Cardiac MRI Guide nor Math Balance shows ads.

### Which is updated more often, Cardiac MRI Guide or Math Balance?

Cardiac MRI Guide ships an update every 2 weeks, and Math Balance every 6 months. Most recently, Cardiac MRI Guide was updated on October 30, 2026 and Math Balance on October 28, 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.*