# BRI Calculator vs BodyMetrics

The clearest difference is in-app purchases: BRI Calculator at none against BodyMetrics's 3. BRI Calculator also leads on update cadence (daily vs every 6 weeks) and iOS requirement (12.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. BodyMetrics sells 3 in-app purchases, starting at $0.99 per 7 days. BRI Calculator asks for nothing beyond the download.

BRI Calculator ships an update daily, BodyMetrics every 6 weeks. Both last shipped on October 25, 2026.

## The numbers

| Metric | BRI Calculator | BodyMetrics |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Daily** | Every 6 weeks |
| Monetization | Ad-supported | — |
| Size | 29 MB | 9 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | +4 | 17+ |
| Developer | [Web Evolui](https://appshunter.io/developer/1476642695) | [Jakob Hohmann](https://appshunter.io/developer/1513339483) |

## 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


### BodyMetrics

[App page](https://appshunter.io/ios/app/bodymetrics-weight-tracker/id6746536451)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Wöchentlich | $0.99 | per 7 days |
| Monatlich | $2.99 | per month |
| Jährlich | $22.99 | per year |


## Frequently asked questions

### Is BRI Calculator free?

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

### Is BodyMetrics free?

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

### Do BRI Calculator or BodyMetrics have ads?

Both BRI Calculator and BodyMetrics show ads.

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

BRI Calculator ships an update daily, and BodyMetrics every 6 weeks. Most recently, BRI Calculator was updated on October 25, 2026 and BodyMetrics 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.*