# Sick Watch vs BMI Tracker

The clearest difference is in-app purchases: Sick Watch at none against BMI Tracker's 1. Sick Watch also leads on iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. BMI Tracker sells 1 one-off in-app purchase. Sick Watch asks for nothing beyond the download.

Sick Watch ships an update every 4 days, BMI Tracker every 2 days. The most recent releases landed on October 2, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Sick Watch | BMI Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 2 days** |
| Size | 1 MB | 7 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Edward Scotcher](https://appshunter.io/developer/1865985967) | [Matteo Pezzulla](https://appshunter.io/developer/1883078182) |

## What reviewers say

### Sick Watch

[App page](https://appshunter.io/ios/app/sick-watch/id6758558275)

**In-app purchases:** none


### BMI Tracker

[App page](https://appshunter.io/ios/app/bmi-tracker-weight-journal/id6760191699)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BMI Tracker Pro Lifetime | $2.99 | one-time |


## Frequently asked questions

### Is Sick Watch free?

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

### Is BMI Tracker free?

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

### Do Sick Watch or BMI Tracker have ads?

Neither Sick Watch nor BMI Tracker shows ads.

### Which is updated more often, Sick Watch or BMI Tracker?

Sick Watch ships an update every 4 days, and BMI Tracker every 2 days. Most recently, Sick Watch was updated on October 2, 2026 and BMI Tracker on October 24, 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.*