# HeatWave vs Metevia

The clearest difference is update cadence: Metevia at every 4 days against HeatWave's every 11 days. On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. HeatWave sells 3 one-off in-app purchases and Metevia sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

HeatWave ships an update every 11 days, Metevia every 4 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | HeatWave | Metevia |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 4 days** |
| Monetization | Free | Free |
| Size | 29 MB | 42 MB |
| Requires iOS | 17.6 | 17.6 |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Christopher Hefferman](https://appshunter.io/developer/1444958558) | [Christine Leupold](https://appshunter.io/developer/6787199129) |

## What reviewers say

### HeatWave

[App page](https://appshunter.io/ios/app/heatwave-smart-window-alerts/id6773258116)

This app monitors outdoor and indoor temperatures to alert you when to open or close your windows for optimal home climate control. It uses your HomePod's sensor and local weather forecasts to provide timely notifications, helping you save energy and stay comfortable without an air conditioner.

**Highlights:** Real-time indoor/outdoor temperature display, Forecast-based opening/closing alerts, 30-minute advance notifications, Home screen widgets, Privacy-first, no servers or tracking, Multi-language support

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee Money Tip | $2.99 | one-time |
| Pint Money Tip | $4.99 | one-time |
| Dinner Money Tip | $14.99 | one-time |


### Metevia

[App page](https://appshunter.io/ios/app/metevia/id6787199127)

This app provides clear, localized weather information with a focus on rain. It quickly answers essential questions about upcoming precipitation and its intensity, offering radar, forecasts, and alerts.

**Highlights:** Rain focus with start/end times and intensity, Real-time rain radar, Hourly and daily forecasts, Weather warnings (DWD), Current weather values, Widgets for home screen, Apple Watch app

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small tip | $0.99 | one-time |
| Medium tip | $2.99 | one-time |
| Large tip | $4.99 | one-time |
| Huge tip | $17.99 | one-time |


## Frequently asked questions

### Is HeatWave free?

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

### Is Metevia free?

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

### Do HeatWave or Metevia have ads?

Neither HeatWave nor Metevia shows ads.

### Which is updated more often, HeatWave or Metevia?

HeatWave ships an update every 11 days, and Metevia every 4 days. Most recently, HeatWave was updated on October 24, 2026 and Metevia on October 24, 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.*