# Barometric Headache Forecast vs Stretch 20

The clearest difference is in-app purchases: Barometric Headache Forecast at none against Stretch 20's 3. Stretch 20's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Stretch 20 sells 3 in-app purchases, starting at $1.99 per month. Barometric Headache Forecast asks for nothing beyond the download.

## The numbers

| Metric | Barometric Headache Forecast | Stretch 20 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/barometric-headache-forecast/id6775428368/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 weeks | — |
| Monetization | Ad-supported | — |
| Size | 26 MB | 23 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [K-Works (Apps)](https://appshunter.io/developer/1831663877) | [Convora Labs LLP](https://appshunter.io/developer/1860028607) |

## What reviewers say

### Barometric Headache Forecast

[App page](https://appshunter.io/ios/app/barometric-headache-forecast/id6775428368)

This app forecasts headache risk based on barometric pressure changes. It displays pressure graphs, weather, and temperature for your current location or a selected city, offering a simple guide for managing pressure and weather-related headaches.

**Highlights:** Headache risk forecast (Normal, Caution, Alert), Barometric pressure graph, Caution time identification, Weather and temperature display, Current location and city selection, Shareable forecast images

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

**In-app purchases:** none


### Stretch 20

[App page](https://appshunter.io/ios/app/stretch-20/id6808481752)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $1.99 | per month |
| Premium Yearly | $14.99 | per year |
| Premium Lifetime | $24.99 | one-time |


## Frequently asked questions

### Is Barometric Headache Forecast free?

Barometric Headache Forecast is free to download, with no in-app purchases.

### Is Stretch 20 free?

Stretch 20 is free to download, with in-app purchases available.

### Do Barometric Headache Forecast or Stretch 20 have ads?

Barometric Headache Forecast shows ads; Stretch 20 does not.

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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.*