# WatchBarometer vs AstroDeck

The clearest difference is update cadence: AstroDeck at weekly against WatchBarometer's every 3 months. AstroDeck also leads on iOS requirement (17.0 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 AstroDeck sells 3 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, AstroDeck weekly. The most recent releases landed on October 31, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | WatchBarometer | AstroDeck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/watchbarometer/id6762093745/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 9 MB | 21 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Bernhard Hering](https://appshunter.io/developer/327542085) | [FLAVIO COMIN](https://appshunter.io/developer/1896336794) |

## 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 |


### AstroDeck

[App page](https://appshunter.io/ios/app/astrodeck-aurora-and-space-wx/id6776005377)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AstroDeck PRO (Monthly) | $3.99 | per month |
| AstroDeck PRO (Yearly) | $19.99 | per year |
| AstroDeck PRO (Lifetime) | $69.99 | one-time |


## Frequently asked questions

### Is WatchBarometer free?

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

### Is AstroDeck free?

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

### Do WatchBarometer or AstroDeck have ads?

Neither WatchBarometer nor AstroDeck shows ads.

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

WatchBarometer ships an update every 3 months, and AstroDeck weekly. Most recently, WatchBarometer was updated on October 31, 2026 and AstroDeck on October 28, 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.*