# Altimeter & Barometer Pro vs iWind

The clearest difference is update cadence: Altimeter & Barometer Pro at every 6 days against iWind's every 2 weeks. Altimeter & Barometer Pro also leads on iOS requirement (18.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Altimeter & Barometer Pro sells 2 in-app purchases, starting at $7.99 per year and iWind sells 1 in-app purchase, starting at $24.00 per year. Whichever you choose, the download price is not the number that matters.

Altimeter & Barometer Pro ships an update every 6 days, iWind every 2 weeks. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Altimeter & Barometer Pro | iWind |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (570 ratings)](https://appshunter.io/ios/app/altimeter-and-barometer-pro/id1601138859/reviews)** | — |
| Number of ratings | **570** | — |
| Positive reviews | 84.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 2 weeks |
| Monetization | Freemium | — |
| Size | 30 MB | 6 MB |
| Requires iOS | **18.0** | 26.0 |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Bog Bridges LLC](https://appshunter.io/developer/1480079828) | [Randall Casburn](https://appshunter.io/developer/1697563817) |

## 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


### iWind

[App page](https://appshunter.io/ios/app/iwind/id6763118161)

**Features:** macOS Compatibility, Family Sharing, Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual | $24.00 | per year |


## Frequently asked questions

### Is Altimeter & Barometer Pro free?

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

### Is iWind free?

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

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

Neither Altimeter & Barometer Pro nor iWind shows ads.

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

Altimeter & Barometer Pro ships an update every 6 days, and iWind every 2 weeks. Most recently, Altimeter & Barometer Pro was updated on October 30, 2026 and iWind on October 25, 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.*