# AiBMI vs Lean Mass Calculator

The clearest difference is in-app purchases: AiBMI at none against Lean Mass Calculator's 4. AiBMI also leads on ads (none vs shown) and update cadence (monthly vs every 6 months). Lean Mass Calculator's advantage is iOS requirement (15.0 vs 17.2). On price and device support there is nothing between them.

Both are free to download. Lean Mass Calculator sells 4 in-app purchases, starting at $2.99 per month. AiBMI asks for nothing beyond the download.

AiBMI ships an update monthly, Lean Mass Calculator every 6 months. The most recent releases landed on October 13, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | AiBMI | Lean Mass Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/aibmi/id6739527839/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 6 months |
| Monetization | Free | — |
| Size | 7 MB | 32 MB |
| Requires iOS | 17.2 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Eyal Vardi](https://appshunter.io/developer/988684101) | [Cesar Ferreira](https://appshunter.io/developer/1843422364) |

## What reviewers say

### AiBMI

[App page](https://appshunter.io/ios/app/aibmi/id6739527839)

This app provides a comprehensive health index (CHi) that goes beyond basic BMI. It analyzes key body measurements to assess visceral fat risk, body fat percentage, and muscle mass potential, offering personalized lifestyle suggestions and healthcare resources.

**Highlights:** Comprehensive Health Index (CHi), Visceral Fat Risk (WHR) assessment, Body Fat Percentage (BFP) calculation, Muscle Mass Potential (MMP) measurement, Personalized lifestyle suggestions, Access to healthcare resources

**Features:** macOS Compatibility

**In-app purchases:** none


### Lean Mass Calculator

[App page](https://appshunter.io/ios/app/lean-mass-calculator/id6753761892)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $2.99 | per month |
| Half Yearly Subscription | $12.99 | per 6 months |
| Annual Subscription | $17.99 | per year |
| Lifetime Premium Access | $24.99 | one-time |


## Frequently asked questions

### Is AiBMI free?

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

### Is Lean Mass Calculator free?

Lean Mass Calculator is free to download, with in-app purchases available.

### Do AiBMI or Lean Mass Calculator have ads?

Lean Mass Calculator shows ads; AiBMI does not.

### Which is updated more often, AiBMI or Lean Mass Calculator?

AiBMI ships an update monthly, and Lean Mass Calculator every 6 months. Most recently, AiBMI was updated on October 13, 2026 and Lean Mass Calculator 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.*