# Barometer & Altimeter vs NaviLU

The clearest difference is update cadence: Barometer & Altimeter at every 3 weeks against NaviLU's every 5 months. Barometer & Altimeter also leads on review sentiment (57% vs 29%). NaviLU's advantage is iOS requirement (13.0 vs 16.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Barometer & Altimeter ships an update every 3 weeks, NaviLU every 5 months. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Barometer & Altimeter | NaviLU |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.6 (28 ratings)](https://appshunter.io/ios/app/barometer-and-altimeter-howhigh/id921339656/reviews)** | — |
| Number of ratings | **28** | — |
| Positive reviews | **57.1% of reviews** | 29.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 months |
| Monetization | Free | Free |
| Size | 9 MB | 185 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thirty Seven Inc.](https://appshunter.io/developer/554594255) | [BASF Digital Solutions GmbH](https://appshunter.io/developer/1482373796) |

## What reviewers say

### Barometer & Altimeter

[App page](https://appshunter.io/ios/app/barometer-and-altimeter-howhigh/id921339656)

This app provides precise barometer and altimeter readings with live data, session recording, and historical analysis. It features automatic device calibration and supports various Apple devices and accessibility features.

**Highlights:** Dual barometer and altimeter dashboards, Real-time pressure and elevation readings, Session recording with rich datasets, Interactive Swift Charts for analysis, Automatic device calibration, Optional WeatherKit sea-level calibration

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

**In-app purchases:** none


### NaviLU

[App page](https://appshunter.io/ios/app/navilu/id1383683700)

Navigate the BASF Ludwigshafen site with ease. This app helps you find your way around and locate specific destinations within the complex. It prioritizes user privacy with clear data protection information.

**Highlights:** Site navigation, Target searching, Location finding, Data protection information

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Barometer & Altimeter free?

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

### Is NaviLU free?

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

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

Neither Barometer & Altimeter nor NaviLU shows ads.

### Which is updated more often, Barometer & Altimeter or NaviLU?

Barometer & Altimeter ships an update every 3 weeks, and NaviLU every 5 months. Most recently, Barometer & Altimeter was updated on October 24, 2026 and NaviLU on October 8, 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.*