IRF Aurora Alert vs norlys
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
IRF Aurora Alert
Receive timely notifications when the aurora borealis is visible near Kiruna, Sweden. This app helps you predict and experience the northern lights by alerting you to optimal viewing conditions.
- Aurora visibility notifications
- Optimized for Kiruna, Sweden
- Predicts aurora viewing conditions
- Alerts for dark, clear skies
- Minimizes light pollution impact
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Kiruna, in northern Sweden, is a popular place to visit for people who want to see the aurora borealis. It can be hard to predict when they will be visible. To experience the aurora borealis, the sky needs to be dark, clear and the location free from light pollution. This application will send a notification when the auroras are visible in the vicinity of Kiruna.
norlys
This app provides a real-time world map and data to assist in tracking and chasing the northern lights. It simplifies the process of finding optimal viewing conditions for aurora displays.
- Real-time world map
- Aurora data products
- Northern lights tracking
- Optimized viewing conditions
- Chasing assistance
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Norlys gives you real-time data to help you spot the Northern Lights without the clutter. Features: Live Aurora Map: Track global intensity as it happens. Night Sky Webcams: Check current sky conditions right on the map. Alerts & Widgets: Get notified when activity occurs. Solar Wind Data: Access raw metrics and figures. Simple, clear, and ready when the sky lights up.
Screenshots
Verdict
The clearest difference is update cadence: IRF Aurora Alert at every 4 days against norlys's every 3 months. IRF Aurora Alert also leads on iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
IRF Aurora Alert ships an update every 4 days, norlys every 3 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.
| Parameter | IRF Aurora Alert | norlys |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | — | 2 — better |
| Update frequency | Every 4 days — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 6 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Swedish Institute of Space Physics | Hugo Lageneste |
Customer experience
IRF Aurora Alert
norlys
In-app purchases
IRF Aurora Alert
No in-app purchases
norlys
No in-app purchases
Questions
Is IRF Aurora Alert free?
Is norlys free?
Do IRF Aurora Alert or norlys have ads?
Which is updated more often, IRF Aurora Alert or norlys?
Other comparisons
