# iCaelum vs WeatherBlend

The clearest difference is price: WeatherBlend at Free against iCaelum's $2.99. WeatherBlend also leads on in-app purchases (none vs 1). iCaelum's advantage is update cadence (every 4 days vs weekly). On ads, device support and iOS requirement there is nothing between them.

WeatherBlend is free to download; iCaelum costs $2.99 up front. iCaelum sells 1 one-off in-app purchase. WeatherBlend asks for nothing beyond the download.

iCaelum ships an update every 4 days, WeatherBlend weekly. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | iCaelum | WeatherBlend |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | — | **[4.5 (2 ratings)](https://appshunter.io/ios/app/weatherblend/id6786014573/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Weekly |
| Monetization | — | Free |
| Size | 16 MB | 15 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Luca Bellintani](https://appshunter.io/developer/1823664807) | [Morten Grantzau](https://appshunter.io/developer/6786014575) |

## What reviewers say

### iCaelum

[App page](https://appshunter.io/ios/app/icaelum/id6748221294)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access | $2.99 | one-time |


### WeatherBlend

[App page](https://appshunter.io/ios/app/weatherblend/id6786014573)

This app combines forecasts from over 50 weather models to provide a more intelligent and confident prediction. It offers detailed current, hourly, and 10-day forecasts, including air quality, UV index, and personalized outdoor and health insights.

**Highlights:** Blended forecast from 50+ models, Forecast confidence indicator, 10-day detailed forecast, Air Quality Index (AQI), UV Index and Pollen forecasts, Personalized outdoor ratings, Health and Nature insights

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is iCaelum free?

iCaelum costs $2.99, and also offers in-app purchases.

### Is WeatherBlend free?

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

### Do iCaelum or WeatherBlend have ads?

Neither iCaelum nor WeatherBlend shows ads.

### Which is updated more often, iCaelum or WeatherBlend?

iCaelum ships an update every 4 days, and WeatherBlend weekly. Most recently, iCaelum was updated on October 26, 2026 and WeatherBlend 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.*