# Norrsken vs Sol App

The clearest difference is update cadence: Norrsken at every 6 days against Sol App's every 5 weeks. On price, ads, in-app purchases and device support there is nothing between them.

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

Norrsken ships an update every 6 days, Sol App every 5 weeks. The most recent releases landed on September 15, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Norrsken | Sol App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/norrsken/id1029938700/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 5 weeks |
| Monetization | Free | — |
| Size | 26 MB | 77 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Johan Runbert](https://appshunter.io/developer/1008104316) | [Jan Andersson](https://appshunter.io/developer/1523856623) |

## What reviewers say

### Norrsken

[App page](https://appshunter.io/ios/app/norrsken/id1029938700)

This app forecasts the likelihood of seeing the Northern Lights based on your location. It provides real-time push notifications for optimal viewing conditions and includes features like a compass, long-term forecasts, and live data on solar wind and geomagnetic activity.

**Highlights:** Real-time Northern Lights probability forecast, Push notifications for good viewing conditions, Compass with haptic feedback, 3-day long-term forecast, Live solar wind and geomagnetic data, Webcam alerts for aurora appearance

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

**In-app purchases:** none


### Sol App

[App page](https://appshunter.io/ios/app/sol-app/id1632183804)

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

**In-app purchases:** none


## Frequently asked questions

### Is Norrsken free?

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

### Is Sol App free?

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

### Do Norrsken or Sol App have ads?

Neither Norrsken nor Sol App shows ads.

### Which is updated more often, Norrsken or Sol App?

Norrsken ships an update every 6 days, and Sol App every 5 weeks. Most recently, Norrsken was updated on September 15, 2026 and Sol App on October 2, 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.*