# Barometer Assistant vs ShhVoice

The clearest difference is in-app purchases: ShhVoice at none against Barometer Assistant's 3. ShhVoice also leads on update cadence (every 5 days vs every 10 days). Barometer Assistant's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

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

Barometer Assistant ships an update every 10 days, ShhVoice every 5 days. The most recent releases landed on October 19, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Barometer Assistant | ShhVoice |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/barometer-assistant/id6757361770/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 10 days | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 5 MB | 47 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [三三 杨](https://appshunter.io/developer/1852457327) | [Miyuki Fujirai](https://appshunter.io/developer/1838371790) |

## What reviewers say

### 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 |


### ShhVoice

[App page](https://appshunter.io/ios/app/shhvoice/id6813780686)

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

**In-app purchases:** none


## Frequently asked questions

### Is Barometer Assistant free?

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

### Is ShhVoice free?

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

### Do Barometer Assistant or ShhVoice have ads?

ShhVoice shows ads; Barometer Assistant does not.

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

Barometer Assistant ships an update every 10 days, and ShhVoice every 5 days. Most recently, Barometer Assistant was updated on October 19, 2026 and ShhVoice on October 13, 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.*