# Altimeter & Barometer vs K

The clearest difference is in-app purchases: Altimeter & Barometer at none against K's 1. Altimeter & Barometer also leads on iOS requirement (15 vs 17.6). On price, ads and device support there is nothing between them.

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

## The numbers

| Metric | Altimeter & Barometer | K |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (154 ratings)](https://appshunter.io/ios/app/altimeter-and-barometer/id541514339/reviews)** | — |
| Number of ratings | **154** | — |
| Positive reviews | 54.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 13 months | — |
| Monetization | Ad-supported | — |
| Size | 11 MB | 5 MB |
| Requires iOS | **15** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SHIGETO TAKAGI](https://appshunter.io/developer/519611619) | [Jongyun Park](https://appshunter.io/developer/382617671) |

## What reviewers say

### Altimeter & Barometer

[App page](https://appshunter.io/ios/app/altimeter-and-barometer/id541514339)

This app provides real-time altitude and atmospheric pressure readings. It uses GPS for location and sea level measurements, with a conversion tool for meters to feet. For compatible devices, it also offers barometric pressure sensing.

**Highlights:** GPS altitude measurement, Sea level display in meters, Meter to feet conversion calculator, Barometric pressure sensor (iPhone 6+), Map of current position

**Features:** Vision Pro support

**In-app purchases:** none


### K

[App page](https://appshunter.io/ios/app/k-compass/id6811790006)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| K-Compass Plus | $2.99 | one-time |


## Frequently asked questions

### Is Altimeter & Barometer free?

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

### Is K free?

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

### Do Altimeter & Barometer or K have ads?

Both Altimeter & Barometer and K show ads.

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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.*