# Weather Engine vs WeatherStamp

The clearest difference is in-app purchases: Weather Engine at none against WeatherStamp's 1. Weather Engine also leads on update cadence (daily vs every 8 days) and iOS requirement (13.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. WeatherStamp sells 1 one-off in-app purchase. Weather Engine asks for nothing beyond the download.

Weather Engine ships an update daily, WeatherStamp every 8 days. The most recent releases landed on September 18, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | Weather Engine | WeatherStamp |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 8 days |
| Size | 65 MB | 11 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Heebok Lee](https://appshunter.io/developer/1855773499) | [Valgy](https://appshunter.io/developer/464576000) |

## What reviewers say

### Weather Engine

[App page](https://appshunter.io/ios/app/weather-engine/id6788181920)

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

**In-app purchases:** none


### WeatherStamp

[App page](https://appshunter.io/ios/app/weatherstamp/id6801666144)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads forever | $2.99 | one-time |


## Frequently asked questions

### Is Weather Engine free?

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

### Is WeatherStamp free?

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

### Do Weather Engine or WeatherStamp have ads?

Neither Weather Engine nor WeatherStamp shows ads.

### Which is updated more often, Weather Engine or WeatherStamp?

Weather Engine ships an update daily, and WeatherStamp every 8 days. Most recently, Weather Engine was updated on September 18, 2026 and WeatherStamp on September 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.*