# BMI Calculator vs Simple BMI evaluator

The clearest difference is update cadence: Simple BMI evaluator at every 3 months against BMI Calculator's every 23 months. BMI Calculator's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

BMI Calculator ships an update every 23 months, Simple BMI evaluator every 3 months. The most recent releases landed on October 21, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | BMI Calculator | Simple BMI evaluator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (53 ratings)](https://appshunter.io/ios/app/bmi-calculator-quick-and-easy/id357370467/reviews)** | — |
| Number of ratings | **53** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 23 months | **Every 3 months** |
| Monetization | Ad-supported | — |
| Size | 15 MB | 30 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Lukas Lubbe](https://appshunter.io/developer/357370470) | [Sonya Marcarelli](https://appshunter.io/developer/409702204) |

## What reviewers say

### BMI Calculator

[App page](https://appshunter.io/ios/app/bmi-calculator-quick-and-easy/id357370467)

Quickly calculate your Body Mass Index (BMI) using your height and weight. Save your history locally or sync with the Health app for easy tracking. Ideal for fitness and health management with a clear, user-friendly interface.

**Highlights:** Instant BMI calculation, Save calculation history, Health app integration, Supports imperial and metric units, Clear user interface

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

**In-app purchases:** none


### Simple BMI evaluator

[App page](https://appshunter.io/ios/app/simple-bmi-evaluator/id1637061785)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is BMI Calculator free?

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

### Is Simple BMI evaluator free?

Simple BMI evaluator is free to download, with no in-app purchases.

### Do BMI Calculator or Simple BMI evaluator have ads?

Both BMI Calculator and Simple BMI evaluator show ads.

### Which is updated more often, BMI Calculator or Simple BMI evaluator?

BMI Calculator ships an update every 23 months, and Simple BMI evaluator every 3 months. Most recently, BMI Calculator was updated on October 21, 2026 and Simple BMI evaluator on October 11, 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.*