# Klart vs jsWeather

The clearest difference is ads: jsWeather at none against Klart's shown. Klart's advantage is update cadence (every 6 days vs monthly). On price, in-app purchases, device support 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.

Klart ships an update every 6 days, jsWeather monthly. The most recent releases landed on October 27, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Klart | jsWeather |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (184 ratings)](https://appshunter.io/ios/app/klart-vader/id352024322/reviews)** | — |
| Number of ratings | **184** | — |
| Positive reviews | 84.2% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 6 days** | Monthly |
| Monetization | Ad-supported | — |
| Size | 66 MB | 45 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Klart Vädertjänster AB](https://appshunter.io/developer/638202240) | [Jan Andersson](https://appshunter.io/developer/1523856623) |

## What reviewers say

### Klart

[App page](https://appshunter.io/ios/app/klart-vader/id352024322)

Get detailed weather forecasts up to 14 days ahead, hour-by-hour, and compare them with other providers. Features include ski weather, pollen forecasts, and water temperatures for swimming spots.

**Highlights:** 14-day weather forecasts, Hourly weather details, Compare weather providers, Ski weather information, Pollen forecasts, Water temperature reports, Extreme weather alerts

**Features:** Vision Pro support

**In-app purchases:** none


### jsWeather

[App page](https://appshunter.io/ios/app/jsweather/id6450765811)

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

**In-app purchases:** none


## Frequently asked questions

### Is Klart free?

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

### Is jsWeather free?

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

### Do Klart or jsWeather have ads?

Klart shows ads; jsWeather does not.

### Which is updated more often, Klart or jsWeather?

Klart ships an update every 6 days, and jsWeather monthly. Most recently, Klart was updated on October 27, 2026 and jsWeather on October 13, 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.*