# Altimeter & Barometer Pro vs Ventify

The clearest difference is price: Altimeter & Barometer Pro at Free against Ventify's $0.99. Altimeter & Barometer Pro also leads on update cadence (every 6 days vs every 2 months). Ventify's advantage is in-app purchases (none vs 2) and review sentiment (100% vs 84%). On ads, device support and iOS requirement there is nothing between them.

Altimeter & Barometer Pro is free to download; Ventify costs $0.99 up front. Altimeter & Barometer Pro sells 2 in-app purchases, starting at $7.99 per year. Ventify asks for nothing beyond the download.

Altimeter & Barometer Pro ships an update every 6 days, Ventify every 2 months. The most recent releases landed on October 20, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Altimeter & Barometer Pro | Ventify |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.6 (536 ratings)](https://appshunter.io/ios/app/altimeter-and-barometer-pro/id1601138859/reviews)** | — |
| Number of ratings | **536** | — |
| Positive reviews | 84.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 2 months |
| Monetization | **Freemium** | Paid |
| Size | 30 MB | 1 MB |
| Requires iOS | **18.0** | 18.6 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Bog Bridges LLC](https://appshunter.io/developer/1480079828) | [Johannes Bauer](https://appshunter.io/developer/1517004006) |

## What reviewers say

### Altimeter & Barometer Pro

[App page](https://appshunter.io/ios/app/altimeter-and-barometer-pro/id1601138859)

Continuously record barometric pressure and altitude using your device's sensors. Visualize trends with interactive graphs, receive weather alerts, and track ascent/descent. Features a standalone Apple Watch app and a global pressure map.

**Highlights:** Continuous barometric pressure and altitude recording, Interactive trend graphs, Barometric pressure alerts, Standalone Apple Watch app, Global pressure map, Real-time wind analyzer, Weather station data and forecasts

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Features | $7.99 | per year |
| Alti-Barometer customer trial | Free | one-time |

**What reviewers like**

- 🚀 Excellent barometer and altimeter features
- 👍 User-friendly interface
- 💡 Innovative wind estimator
- 🔒 Respects user privacy
- 🔥 Highly recommended by users

**What reviewers complain about**

- 🐛 Occasional crashes or bugs
- 🔋 High battery consumption reported
- 💰 Paid subscription model concerns some users

**Reported bugs**

- Wind estimator feature not working properly
- Pressure data reset issue for some users
- Apple Watch connectivity problems

**Requested features**

- Longer historical data graphs
- Customizable pressure drop alerts
- Metric unit support
- Outdoor temperature in complications


### 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 Altimeter & Barometer Pro free?

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

### Is Ventify free?

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

### Do Altimeter & Barometer Pro or Ventify have ads?

Neither Altimeter & Barometer Pro nor Ventify shows ads.

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

Altimeter & Barometer Pro ships an update every 6 days, and Ventify every 2 months. Most recently, Altimeter & Barometer Pro 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.*