# Northern Lights Tracker° vs AuroraTonight!

The clearest difference is in-app purchases: AuroraTonight! at none against Northern Lights Tracker°'s 2. AuroraTonight! also leads on update cadence (monthly vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Northern Lights Tracker° sells 2 in-app purchases, starting at $24.99 per year. AuroraTonight! asks for nothing beyond the download.

Northern Lights Tracker° ships an update every 3 months, AuroraTonight! monthly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Northern Lights Tracker° | AuroraTonight! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (126 ratings)](https://appshunter.io/ios/app/northern-lights-tracker/id6747033747/reviews)** | — |
| Number of ratings | **126** | — |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Freemium | — |
| Size | 38 MB | 4 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Harshit Tyagi](https://appshunter.io/developer/1776912818) | [The University of Michigan](https://appshunter.io/developer/380339599) |

## What reviewers say

### Northern Lights Tracker°

[App page](https://appshunter.io/ios/app/northern-lights-tracker/id6747033747)

This app provides real-time aurora borealis forecasts and alerts based on your location. It helps travelers, photographers, and skywatchers track aurora visibility with live data, personalized notifications, and an easy-to-use interface.

**Highlights:** Live aurora forecasts, KP index and cloud cover, Personalized alerts, Global map view, Location-based accuracy, Clean interface

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Plan | $24.99 | per year |
| Lifetime Plan | $19.99 | one-time |


### AuroraTonight!

[App page](https://appshunter.io/ios/app/auroratonight/id6755046937)

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

**In-app purchases:** none


## Frequently asked questions

### Is Northern Lights Tracker° free?

Northern Lights Tracker° is free to download, with in-app purchases available.

### Is AuroraTonight! free?

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

### Do Northern Lights Tracker° or AuroraTonight! have ads?

Neither Northern Lights Tracker° nor AuroraTonight! shows ads.

### Which is updated more often, Northern Lights Tracker° or AuroraTonight!?

Northern Lights Tracker° ships an update every 3 months, and AuroraTonight! monthly. Most recently, Northern Lights Tracker° was updated on October 24, 2026 and AuroraTonight! 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.*