# Headache Forecast vs Barometric Headache Forecast

The clearest difference is in-app purchases: Barometric Headache Forecast at none against Headache Forecast's 8. Headache Forecast's advantage is ads (none vs shown) and update cadence (every 11 days vs every 4 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Headache Forecast sells 8 in-app purchases, starting at $3.69 per month. Barometric Headache Forecast asks for nothing beyond the download.

Headache Forecast ships an update every 11 days, Barometric Headache Forecast every 4 weeks. The most recent releases landed on October 15, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Headache Forecast | Barometric Headache Forecast |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/barometric-headache-forecast/id6775428368/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 11 days** | Every 4 weeks |
| Monetization | — | Ad-supported |
| Size | 79 MB | 26 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 12+ |
| Developer | [Knecht, Inc.](https://appshunter.io/developer/1127317529) | [K-Works (Apps)](https://appshunter.io/developer/1831663877) |

## What reviewers say

### Headache Forecast

[App page](https://appshunter.io/ios/app/headache-forecast-barometer/id6759448041)

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Monthly) | $3.69 | per month |
| Premium (Monthly) | $5.39 | per month |
| Premium (Monthly) | $6.79 | per month |
| Premium (Monthly) | $8.79 | per month |
| Premium (Annual) | $25.90 | per year |
| Premium (Annual) | $37.90 | per year |
| Premium (Annual) | $48.00 | per year |
| Premium (Annual) | $61.90 | per year |


### 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


## Frequently asked questions

### Is Headache Forecast free?

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

### Is Barometric Headache Forecast free?

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

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

Barometric Headache Forecast shows ads; Headache Forecast does not.

### Which is updated more often, Headache Forecast or Barometric Headache Forecast?

Headache Forecast ships an update every 11 days, and Barometric Headache Forecast every 4 weeks. Most recently, Headache Forecast was updated on October 15, 2026 and Barometric Headache Forecast on October 6, 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.*