# BMI Calculator & Tracker! vs Hydrawell Water Tracker

The clearest difference is update cadence: BMI Calculator & Tracker! at daily against Hydrawell Water Tracker's every 5 months. 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 & Tracker! ships an update daily, Hydrawell Water Tracker every 5 months. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | BMI Calculator & Tracker! | Hydrawell Water Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/bmi-calculator-and-tracker/id6504464052/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 5 months |
| Monetization | Free | — |
| Size | 3 MB | 1 MB |
| Requires iOS | **17.4** | 18.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [My Call Bag LLC](https://appshunter.io/developer/1243282862) | [Numinous Productions LLC](https://appshunter.io/developer/1729659384) |

## What reviewers say

### BMI Calculator & Tracker!

[App page](https://appshunter.io/ios/app/bmi-calculator-and-tracker/id6504464052)

Easily calculate and monitor your Body Mass Index (BMI) and weight progress. This tool is designed for individuals on a fitness journey or managing their weight to stay informed about their health.

**Highlights:** BMI calculation, Weight tracking, Progress monitoring, WHO BMI categories, Health information

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

**In-app purchases:** none


### Hydrawell Water Tracker

[App page](https://appshunter.io/ios/app/hydrawell-water-tracker/id6752546532)

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

**In-app purchases:** none


## Frequently asked questions

### Is BMI Calculator & Tracker! free?

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

### Is Hydrawell Water Tracker free?

Hydrawell Water Tracker is free to download, with no in-app purchases.

### Do BMI Calculator & Tracker! or Hydrawell Water Tracker have ads?

Neither BMI Calculator & Tracker! nor Hydrawell Water Tracker shows ads.

### Which is updated more often, BMI Calculator & Tracker! or Hydrawell Water Tracker?

BMI Calculator & Tracker! ships an update daily, and Hydrawell Water Tracker every 5 months. Most recently, BMI Calculator & Tracker! was updated on November 4, 2026 and Hydrawell Water Tracker on October 30, 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.*