# Barometer vs Aurora Forecast

The clearest difference is in-app purchases: Barometer at none against Aurora Forecast's 5. Aurora Forecast's advantage is update cadence (weekly vs every 4 months) and iOS requirement (16.0 vs 26.4). On price, ads and device support there is nothing between them.

Both are free to download. Aurora Forecast sells 5 in-app purchases, starting at $2.99 per 7 days. Barometer asks for nothing beyond the download.

Barometer ships an update every 4 months, Aurora Forecast weekly. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Barometer | Aurora Forecast |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/barometer-app/id6783829907/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | Free | — |
| Size | 2 MB | 8 MB |
| Requires iOS | 26.4 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sebastian Popp](https://appshunter.io/developer/733088674) | [Heinz Meier](https://appshunter.io/developer/1824697405) |

## What reviewers say

### Barometer

[App page](https://appshunter.io/ios/app/barometer-app/id6783829907)

This app displays real-time atmospheric pressure using your device's built-in sensor. It features a simple analog dial with a clear numeric reading, offering a straightforward way to monitor air pressure.

**Highlights:** Live atmospheric pressure reading, Circular analog dial, Animated needle, Numeric reading in hPa, Simple dark interface

**In-app purchases:** none


### Aurora Forecast

[App page](https://appshunter.io/ios/app/aurora-forecast-night-sky/id6810899288)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Aurora Forecast Pro Weekly | $2.99 | per 7 days |
| Aurora Forecast Pro Monthly | $3.99 | per month |
| Aurora Forecast Pro Yearly | $12.99 | per year |
| Revontulet Pro | $7.99 | one-time |
| Aurora Forecast Pro Lifetime | $17.99 | one-time |


## Frequently asked questions

### Is Barometer free?

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

### Is Aurora Forecast free?

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

### Do Barometer or Aurora Forecast have ads?

Neither Barometer nor Aurora Forecast shows ads.

### Which is updated more often, Barometer or Aurora Forecast?

Barometer ships an update every 4 months, and Aurora Forecast weekly. Most recently, Barometer was updated on November 5, 2026 and Aurora Forecast on October 31, 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.*