# StormWatch vs Barometer & Altimeter Pro

The clearest difference is in-app purchases: StormWatch at none against Barometer & Altimeter Pro's 2. StormWatch also leads on update cadence (every 3 days vs every 10 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Barometer & Altimeter Pro sells 2 in-app purchases, starting at $1.99 per month. StormWatch asks for nothing beyond the download.

StormWatch ships an update every 3 days, Barometer & Altimeter Pro every 10 days. Both last shipped on November 5, 2026.

## The numbers

| Metric | StormWatch | Barometer & Altimeter Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.6 (14 ratings)](https://appshunter.io/ios/app/barometer-and-altimeter-pro/id6762895694/reviews)** |
| Number of ratings | — | **14** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 10 days |
| Monetization | — | Free |
| Size | 1 MB | 37 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [John Hatton-Edge](https://appshunter.io/developer/1882118119) | [Tirin](https://appshunter.io/developer/1665717789) |

## What reviewers say

### StormWatch

[App page](https://appshunter.io/ios/app/stormwatch/id6760827073)

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

**In-app purchases:** none


### Barometer & Altimeter Pro

[App page](https://appshunter.io/ios/app/barometer-and-altimeter-pro/id6762895694)

This application precisely measures atmospheric pressure and tracks your elevation in real time. It provides storm warnings based on pressure changes and displays historical trend charts. Ideal for outdoor enthusiasts and weather-conscious individuals.

**Highlights:** Precise air pressure measurement, Live elevation tracking, Trip gain calculation, Storm warning alerts, Historical trend charts, Customizable interface

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Barometer Monthly | $1.99 | per month |
| Barometer Lifetime | $4.99 | one-time |


## Frequently asked questions

### Is StormWatch free?

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

### Is Barometer & Altimeter Pro free?

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

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

Neither StormWatch nor Barometer & Altimeter Pro shows ads.

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

StormWatch ships an update every 3 days, and Barometer & Altimeter Pro every 10 days. Most recently, StormWatch was updated on November 5, 2026 and Barometer & Altimeter Pro on November 5, 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.*