# Compass Free vs Air Compression

The clearest difference is ads: Air Compression at none against Compass Free's shown. Compass Free's advantage is device support (4 vs 2). On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Compass Free | Air Compression |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.1 (50 ratings)](https://appshunter.io/ios/app/compass-free/id284735786/reviews)** | — |
| Number of ratings | **50** | — |
| Positive reviews | 34.4% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 22 months | — |
| Monetization | Free | — |
| Size | 5 MB | 2 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Masayuki Akamatsu](https://appshunter.io/developer/284722836) | [Guangzhou Beite Electronic Science & Technology Co., Ltd.](https://appshunter.io/developer/1816833063) |

## What reviewers say

### Compass Free

[App page](https://appshunter.io/ios/app/compass-free/id284735786)

This app functions as a sundial to determine cardinal directions using sunlight. Align the shadow of your finger with the app's shading to find north, south, east, and west.

**Highlights:** Measures cardinal points, Uses sunlight, Aligns finger shadow, Indicates directions

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

**In-app purchases:** none

**What reviewers like**

- 👍 Simple to use
- 🌞 Works with sun position
- 🆓 Free app
- 💡 Clever concept
- 🧭 Useful for basic navigation

**What reviewers complain about**

- 🌤️ Requires sunlight to function
- 🌍 Not suitable for southern hemisphere
- 📍 Lacks GPS integration
- 🕰️ Doesn't adjust for daylight savings
- 🤷‍♂️ Unclear instructions

**Reported bugs**

- Causes device freezes or crashes
- Inaccurate compass readings

**Requested features**

- Add support for southern hemisphere
- Integrate with GPS for more accurate direction
- Provide night mode or moonlight option
- Improve instructions and user guidance


### Air Compression

[App page](https://appshunter.io/ios/app/air-compression/id6746424973)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Compass Free free?

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

### Is Air Compression free?

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

### Do Compass Free or Air Compression have ads?

Compass Free shows ads; Air Compression does not.

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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.*