# Alturos vs Barometer Assistant

The clearest difference is in-app purchases: Alturos at none against Barometer Assistant's 3. Barometer Assistant's advantage is update cadence (every 10 days vs every 7 months) and iOS requirement (16.0 vs 18.2). On price, ads and device support there is nothing between them.

Both are free to download. Barometer Assistant sells 3 in-app purchases, starting at $1.99 per 7 days. Alturos asks for nothing beyond the download.

Alturos ships an update every 7 months, Barometer Assistant every 10 days. The most recent releases landed on October 6, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Alturos | Barometer Assistant |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (3 ratings)](https://appshunter.io/ios/app/barometer-assistant/id6757361770/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 10 days** |
| Monetization | — | Free with in-app purchases |
| Size | 9 MB | 5 MB |
| Requires iOS | 18.2 | **16.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Markus Johansson](https://appshunter.io/developer/1685913239) | [三三 杨](https://appshunter.io/developer/1852457327) |

## What reviewers say

### Alturos

[App page](https://appshunter.io/ios/app/alturos/id6742664837)

**Features:** macOS Compatibility

**In-app purchases:** none


### Barometer Assistant

[App page](https://appshunter.io/ios/app/barometer-assistant/id6757361770)

Monitor real-time air pressure and trends to understand environmental conditions. Receive alerts for significant changes, get migraine risk forecasts, and fishing time suggestions. Optimize daily planning and outdoor activities with this utility app.

**Highlights:** Real-time air pressure status, Smart change alerts, Migraine risk forecast, Fishing time suggestions, Multiple usage modes, Air pressure history

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $1.99 | per 7 days |
| Monthly Subscription | $5.99 | per month |
| Annual Subscription | $39.99 | per year |


## Frequently asked questions

### Is Alturos free?

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

### Is Barometer Assistant free?

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

### Do Alturos or Barometer Assistant have ads?

Neither Alturos nor Barometer Assistant shows ads.

### Which is updated more often, Alturos or Barometer Assistant?

Alturos ships an update every 7 months, and Barometer Assistant every 10 days. Most recently, Alturos was updated on October 6, 2026 and Barometer Assistant on October 19, 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.*