# norlys vs Bolt Hunter

The clearest difference is iOS requirement: Bolt Hunter at 15.0 against norlys's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

norlys ships an update every 3 months, Bolt Hunter every 2 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | norlys | Bolt Hunter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/norlys/id6751714839/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 4 MB | 116 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hugo Lageneste](https://appshunter.io/developer/1836395000) | [Motion Horizons LLC](https://appshunter.io/developer/1885738457) |

## What reviewers say

### norlys

[App page](https://appshunter.io/ios/app/norlys/id6751714839)

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.

**Highlights:** Real-time world map, Aurora data products, Northern lights tracking, Optimized viewing conditions, Chasing assistance

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

**In-app purchases:** none


### Bolt Hunter

[App page](https://appshunter.io/ios/app/bolt-hunter/id6760687060)

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

**In-app purchases:** none


## Frequently asked questions

### Is norlys free?

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

### Is Bolt Hunter free?

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

### Do norlys or Bolt Hunter have ads?

Neither norlys nor Bolt Hunter shows ads.

### Which is updated more often, norlys or Bolt Hunter?

norlys ships an update every 3 months, and Bolt Hunter every 2 months. Most recently, norlys was updated on October 24, 2026 and Bolt Hunter 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.*