# BMI Calculator and Tracker vs Open Me First

The clearest difference is ads: Open Me First at none against BMI Calculator and Tracker's shown. Open Me First also leads on update cadence (every 2 weeks vs every 2 months). BMI Calculator and Tracker's advantage is iOS requirement (13.0 vs 15.1). On price, in-app purchases and device support there is nothing between them.

Both are free to download. BMI Calculator and Tracker sells 2 in-app purchases, starting at $0.99 per month and Open Me First sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

BMI Calculator and Tracker ships an update every 2 months, Open Me First every 2 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | BMI Calculator and Tracker | Open Me First |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/bmi-calculator-and-tracker/id1666673281/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 113 MB | 33 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [SHPAVDA, TOO](https://appshunter.io/developer/1779139180) | [Steven Askew](https://appshunter.io/developer/1542947224) |

## What reviewers say

### BMI Calculator and Tracker

[App page](https://appshunter.io/ios/app/bmi-calculator-and-tracker/id1666673281)

Calculate and track your Body Mass Index (BMI) using age, gender, height, and weight. This tool helps you understand your weight category and monitor progress towards your health goals.

**Highlights:** BMI calculation by age, gender, height, and weight, BMI classification display, Healthy weight estimation, Detailed progress tracking history, Metric and US unit support, Offline usability

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Ad-Free | $0.99 | per month |
| Yearly Ad-Free | $9.99 | per year |


### Open Me First

[App page](https://appshunter.io/ios/app/open-me-first/id6754524474)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support the Developer | $0.99 | one-time |
| Support the Developer | $1.99 | one-time |
| Support the Developer | $2.99 | one-time |
| Support the Developer | $4.99 | one-time |
| Support the Developer | $5.99 | one-time |
| Support the Developer | $7.99 | one-time |
| Support the Developer | $9.99 | one-time |
| Support the Developer | $12.99 | one-time |
| Support the Developer | $14.99 | one-time |
| Support the Developer | $19.99 | one-time |


## Frequently asked questions

### Is BMI Calculator and Tracker free?

BMI Calculator and Tracker is free to download, with in-app purchases available.

### Is Open Me First free?

Open Me First is free to download, with in-app purchases available.

### Do BMI Calculator and Tracker or Open Me First have ads?

BMI Calculator and Tracker shows ads; Open Me First does not.

### Which is updated more often, BMI Calculator and Tracker or Open Me First?

BMI Calculator and Tracker ships an update every 2 months, and Open Me First every 2 weeks. Most recently, BMI Calculator and Tracker was updated on October 24, 2026 and Open Me First on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*