# Aurora Forecast 极光预测 vs Lightning Tracker & Thunder

The clearest difference is in-app purchases: Aurora Forecast 极光预测 at none against Lightning Tracker & Thunder's 2. Aurora Forecast 极光预测 also leads on iOS requirement (15.0 vs 17.0). Lightning Tracker & Thunder's advantage is update cadence (weekly vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Lightning Tracker & Thunder sells 2 in-app purchases, starting at $5.99 per 7 days. Aurora Forecast 极光预测 asks for nothing beyond the download.

Aurora Forecast 极光预测 ships an update every 2 months, Lightning Tracker & Thunder weekly. The most recent releases landed on October 26, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Aurora Forecast 极光预测 | Lightning Tracker & Thunder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/aurora-forecast/id1187643202/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free | — |
| Size | 1 MB | 44 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [富成 郑](https://appshunter.io/developer/1116868036) | [Feynman EinsteinAI Note Taker OU](https://appshunter.io/developer/1782064427) |

## What reviewers say

### Aurora Forecast 极光预测

[App page](https://appshunter.io/ios/app/aurora-forecast/id1187643202)

Track aurora activity with detailed forecasts and maps for both hemispheres. Choose your observing site or explore preset locations globally. Understand forecast timing and local sky conditions for the best viewing experience.

**Highlights:** Aurora activity forecasts, Northern and southern hemisphere maps, Customizable observing site selection, 247 preset global locations, Local sky brightness check, English and Simplified Chinese language support

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

**In-app purchases:** none


### Lightning Tracker & Thunder

[App page](https://appshunter.io/ios/app/lightning-tracker-and-thunder/id6797213318)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $5.99 | per 7 days |
| Yearly Subscription | $49.99 | per year |


## Frequently asked questions

### Is Aurora Forecast 极光预测 free?

Aurora Forecast 极光预测 is free to download, with no in-app purchases.

### Is Lightning Tracker & Thunder free?

Lightning Tracker & Thunder is free to download, with in-app purchases available.

### Do Aurora Forecast 极光预测 or Lightning Tracker & Thunder have ads?

Neither Aurora Forecast 极光预测 nor Lightning Tracker & Thunder shows ads.

### Which is updated more often, Aurora Forecast 极光预测 or Lightning Tracker & Thunder?

Aurora Forecast 极光预测 ships an update every 2 months, and Lightning Tracker & Thunder weekly. Most recently, Aurora Forecast 极光预测 was updated on October 26, 2026 and Lightning Tracker & Thunder on November 1, 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.*