# WatchBarometer vs Thermometer

The clearest difference is update cadence: Thermometer at every 9 days against WatchBarometer's every 3 months. Thermometer also leads on iOS requirement (15.6 vs 26.0). On price, ads, in-app purchases 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 and Thermometer sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

WatchBarometer ships an update every 3 months, Thermometer every 9 days. Both last shipped on November 5, 2026.

## The numbers

| Metric | WatchBarometer | Thermometer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/watchbarometer/id6762093745/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 9 MB | 40 MB |
| Requires iOS | 26.0 | **15.6** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Bernhard Hering](https://appshunter.io/developer/327542085) | [Emirhan Salihoglu](https://appshunter.io/developer/1878969903) |

## What reviewers say

### WatchBarometer

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

This app provides detailed air pressure data, weather trends, and altitude history for iPhone and Apple Watch. It offers insights into pressure changes and their relation to weather, with customizable widgets and complications.

**Highlights:** Current and sea-level pressure, Short-term weather trend analysis, Pressure history tracking, GPS altitude history, Widgets and Live Activity support, Apple Watch complications

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

**In-app purchases (1)**

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


### Thermometer

[App page](https://appshunter.io/ios/app/thermometer-all-in-one/id6780592840)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $3.99 | per month |
| Premium Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is WatchBarometer free?

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

### Is Thermometer free?

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

### Do WatchBarometer or Thermometer have ads?

Neither WatchBarometer nor Thermometer shows ads.

### Which is updated more often, WatchBarometer or Thermometer?

WatchBarometer ships an update every 3 months, and Thermometer every 9 days. Most recently, WatchBarometer was updated on November 5, 2026 and Thermometer on November 5, 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.*