# Barometer and Altimeter vs Ventify

The clearest difference is price: Barometer and Altimeter at Free against Ventify's $0.99. Barometer and Altimeter also leads on iOS requirement (12.0 vs 18.6). Ventify's advantage is review sentiment (100% vs 78%). On update cadence, ads, in-app purchases and device support there is nothing between them.

Barometer and Altimeter is free to download; Ventify costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 20, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Barometer and Altimeter | Ventify |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[3.4 (24 ratings)](https://appshunter.io/ios/app/barometer-and-altimeter/id922859877/reviews)** | — |
| Number of ratings | **24** | — |
| Positive reviews | 77.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | **Free** | Paid |
| Size | 3 MB | 1 MB |
| Requires iOS | **12.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Peter Breitling](https://appshunter.io/developer/286215120) | [Johannes Bauer](https://appshunter.io/developer/1517004006) |

## What reviewers say

### Barometer and Altimeter

[App page](https://appshunter.io/ios/app/barometer-and-altimeter/id922859877)

This application utilizes your device's barometer sensor to measure altitude and atmospheric pressure. It offers various unit modes and can automatically update reference pressure from nearby weather stations. The app also displays current temperature and includes a widget for quick access to key information.

**Highlights:** Barometer sensor utilization, Altitude measurement, Automatic reference pressure updates, Current temperature display, Multiple unit modes, Today widget

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

**In-app purchases:** none


### Ventify

[App page](https://appshunter.io/ios/app/ventify/id6745443594)

This app analyzes indoor and outdoor conditions to advise on optimal ventilation for humidity control. It converts relative humidity to absolute values, providing clear recommendations on whether airing out a room is beneficial. Supports HomeKit and automatic weather data retrieval.

**Highlights:** Absolute humidity calculation, Ventilation recommendations, HomeKit integration, Automatic weather data, Celsius and Fahrenheit support, Sensor integration

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

**In-app purchases:** none


## Frequently asked questions

### Is Barometer and Altimeter free?

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

### Is Ventify free?

Ventify costs $0.99, with no in-app purchases.

### Do Barometer and Altimeter or Ventify have ads?

Neither Barometer and Altimeter nor Ventify shows ads.

### Which is updated more often, Barometer and Altimeter or Ventify?

Barometer and Altimeter ships an update every 2 months, and Ventify every 2 months. Most recently, Barometer and Altimeter was updated on October 20, 2026 and Ventify on October 9, 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.*