# Barometer & Compass vs Air Barometer

The clearest difference is in-app purchases: Air Barometer at none against Barometer & Compass's 1. Air Barometer also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.6). Barometer & Compass's advantage is ads (none vs shown). On price and update cadence there is nothing between them.

Both are free to download. Barometer & Compass sells 1 one-off in-app purchase. Air Barometer asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 9, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Barometer & Compass | Air Barometer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (94 ratings)](https://appshunter.io/ios/app/air-barometer/id6768211654/reviews)** |
| Number of ratings | — | **94** |
| Positive reviews | — | 80.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | — | Free |
| Size | 5 MB | 41 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Danny George Eggenstein](https://appshunter.io/developer/1863232019) | [Maksym Buradchuk](https://appshunter.io/developer/1745369662) |

## What reviewers say

### Barometer & Compass

[App page](https://appshunter.io/ios/app/barometer-and-compass/id6756844141)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Barometer Pro | $3.99 | one-time |


### Air Barometer

[App page](https://appshunter.io/ios/app/air-barometer/id6768211654)

This app provides detailed atmospheric pressure information, including actual local pressure and sea level pressure. Track pressure changes with hourly and daily charts, and monitor long-term trends. It's ideal for outdoor enthusiasts and those sensitive to weather shifts.

**Highlights:** Actual pressure at local altitude, Relative pressure at sea level, Pressure charts (hourly, daily), Long-term pressure trend monitoring, Current temperature and humidity, Support for multiple locations

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

**In-app purchases:** none


## Frequently asked questions

### Is Barometer & Compass free?

Barometer & Compass is free to download, with in-app purchases available.

### Is Air Barometer free?

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

### Do Barometer & Compass or Air Barometer have ads?

Air Barometer shows ads; Barometer & Compass does not.

### Which is updated more often, Barometer & Compass or Air Barometer?

Barometer & Compass ships an update every 3 weeks, and Air Barometer every 3 weeks. Most recently, Barometer & Compass was updated on October 9, 2026 and Air Barometer on October 20, 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.*