# Arialight vs Weather assay

The clearest difference is ads: Arialight at none against Weather assay's shown. Arialight also leads on device support (4 vs 2). On price, update cadence, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Arialight ships an update every 11 days, Weather assay fortnightly. Both last shipped on October 25, 2026.

## The numbers

| Metric | Arialight | Weather assay |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 11 days** | Fortnightly |
| Size | 13 MB | 25 MB |
| Requires iOS | 14 | **13.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Jerome Kasparian](https://appshunter.io/developer/1528196195) | [咸阳星润科技有限公司](https://appshunter.io/developer/1581047583) |

## What reviewers say

### Arialight

[App page](https://appshunter.io/ios/app/arialight/id1528196193)

**Features:** Vision Pro support

**In-app purchases:** none


### Weather assay

[App page](https://appshunter.io/ios/app/weather-assay/id6497331831)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Arialight free?

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

### Is Weather assay free?

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

### Do Arialight or Weather assay have ads?

Weather assay shows ads; Arialight does not.

### Which is updated more often, Arialight or Weather assay?

Arialight ships an update every 11 days, and Weather assay fortnightly. Most recently, Arialight was updated on October 25, 2026 and Weather assay on October 25, 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.*