# BRI Calculator vs CardioEngine

The clearest difference is in-app purchases: BRI Calculator at none against CardioEngine's 1. BRI Calculator also leads on update cadence (daily vs every 9 days) and iOS requirement (12.0 vs 26.0). CardioEngine's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. CardioEngine sells 1 one-off in-app purchase. BRI Calculator asks for nothing beyond the download.

BRI Calculator ships an update daily, CardioEngine every 9 days. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | BRI Calculator | CardioEngine |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 9 days |
| Monetization | Ad-supported | — |
| Size | 29 MB | 9 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | +4 | 4+ |
| Developer | [Web Evolui](https://appshunter.io/developer/1476642695) | [Nicholas Prokesch](https://appshunter.io/developer/1716689922) |

## What reviewers say

### BRI Calculator

[App page](https://appshunter.io/ios/app/bri-calculator/id6738609284)

Estimate your Body Roundness Index (BRI) and Body Mass Index (BMI) using personal measurements. This tool offers quick, science-based calculations to help you understand your body metrics and general wellness in a practical way.

**Highlights:** BRI and BMI estimation, Compare with general ranges, User-friendly interface, Science-based formulas, Completely free

**Features:** macOS Compatibility

**In-app purchases:** none


### CardioEngine

[App page](https://appshunter.io/ios/app/cardioengine-hr-zone-training/id6761030036)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CardioEngine Full Access | $29.99 | one-time |


## Frequently asked questions

### Is BRI Calculator free?

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

### Is CardioEngine free?

CardioEngine is free to download, with in-app purchases available.

### Do BRI Calculator or CardioEngine have ads?

BRI Calculator shows ads; CardioEngine does not.

### Which is updated more often, BRI Calculator or CardioEngine?

BRI Calculator ships an update daily, and CardioEngine every 9 days. Most recently, BRI Calculator was updated on October 30, 2026 and CardioEngine on October 25, 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.*