# WatchBarometer vs Wet Bulb Temperature Tracker

The clearest difference is in-app purchases: Wet Bulb Temperature Tracker at none against WatchBarometer's 1. Wet Bulb Temperature Tracker also leads on update cadence (every 4 days vs every 3 months) and iOS requirement (18.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. WatchBarometer sells 1 in-app purchase, starting at $3.99 per year. Wet Bulb Temperature Tracker asks for nothing beyond the download.

WatchBarometer ships an update every 3 months, Wet Bulb Temperature Tracker every 4 days. The most recent releases landed on September 29, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | WatchBarometer | Wet Bulb Temperature Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/wet-bulb-temperature-tracker/id6783316363/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 9 MB | 17 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | iPhone, Apple Watch | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Bernhard Hering](https://appshunter.io/developer/327542085) | [Sameer Rajadnya](https://appshunter.io/developer/1749220190) |

## What reviewers say

### WatchBarometer

[App page](https://appshunter.io/ios/app/watchbarometer/id6762093745)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WatchBarometer Jahresabo | $3.99 | per year |


### Wet Bulb Temperature Tracker

[App page](https://appshunter.io/ios/app/wet-bulb-temperature-tracker/id6783316363)

This app tracks humid-heat conditions using Wet Bulb Globe Temperature (WBGT) to help you plan outdoor activities safely. It provides alerts, hourly timelines, and guidance based on risk levels.

**Highlights:** Wet Bulb Globe Temperature (WBGT) calculation, Humid-heat risk alerts, Hourly temperature timeline, Activity guidance by risk level, Manual calculation tool, Global city search

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

**In-app purchases:** none


## Frequently asked questions

### Is WatchBarometer free?

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

### Is Wet Bulb Temperature Tracker free?

Wet Bulb Temperature Tracker is free to download, with no in-app purchases.

### Do WatchBarometer or Wet Bulb Temperature Tracker have ads?

Neither WatchBarometer nor Wet Bulb Temperature Tracker shows ads.

### Which is updated more often, WatchBarometer or Wet Bulb Temperature Tracker?

WatchBarometer ships an update every 3 months, and Wet Bulb Temperature Tracker every 4 days. Most recently, WatchBarometer was updated on September 29, 2026 and Wet Bulb Temperature Tracker on October 2, 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.*