# HeatWave vs WeatherFlo

The clearest difference is in-app purchases: WeatherFlo at none against HeatWave's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. HeatWave sells 3 one-off in-app purchases. WeatherFlo asks for nothing beyond the download.

HeatWave ships an update every 11 days, WeatherFlo every 6 days. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | HeatWave | WeatherFlo |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 6 days** |
| Monetization | Free | — |
| Size | 29 MB | 11 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Christopher Hefferman](https://appshunter.io/developer/1444958558) | [CAPEXFLY (PTY) LTD](https://appshunter.io/developer/6782034747) |

## 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 |


### WeatherFlo

[App page](https://appshunter.io/ios/app/weatherflo/id6782034745)

**In-app purchases:** none


## Frequently asked questions

### Is HeatWave free?

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

### Is WeatherFlo free?

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

### Do HeatWave or WeatherFlo have ads?

Neither HeatWave nor WeatherFlo shows ads.

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

HeatWave ships an update every 11 days, and WeatherFlo every 6 days. Most recently, HeatWave was updated on October 24, 2026 and WeatherFlo on October 28, 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.*