# Aurora Alerts Forecast Tracker vs Deep Sleep

The clearest difference is in-app purchases: Deep Sleep at none against Aurora Alerts Forecast Tracker's 6. Deep Sleep also leads on update cadence (every 8 days vs every 7 months). Aurora Alerts Forecast Tracker's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 18.5). On price and ads there is nothing between them.

Both are free to download. Aurora Alerts Forecast Tracker sells 6 in-app purchases, starting at $4.99 per 7 days. Deep Sleep asks for nothing beyond the download.

Aurora Alerts Forecast Tracker ships an update every 7 months, Deep Sleep every 8 days. The most recent releases landed on November 4, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Aurora Alerts Forecast Tracker | Deep Sleep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (46 ratings)](https://appshunter.io/ios/app/aurora-alerts-forecast-tracker/id6541760999/reviews)** | — |
| Number of ratings | **46** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 8 days** |
| Monetization | Free with in-app purchases | — |
| Size | 32 MB | 278 MB |
| Requires iOS | **15.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [AI POWERED APPS](https://appshunter.io/developer/1730338137) | [Xinzhou Liu](https://appshunter.io/developer/1797853405) |

## What reviewers say

### Aurora Alerts Forecast Tracker

[App page](https://appshunter.io/ios/app/aurora-alerts-forecast-tracker/id6541760999)

Track the likelihood of seeing the northern lights with real-time forecasts and personalized alerts. Explore live aurora activity on a globe and view webcam images from prime viewing locations. Learn about the science behind the aurora borealis.

**Highlights:** Personalized 3-day aurora forecast, Real-time aurora alerts, Live interactive globe view, Webcam photos from prime locations, Aurora and solar activity information

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Trial Premium | $4.99 | per 7 days |
| Weekly Premium | $5.99 | per 7 days |
| Monthly Premium | $12.99 | per month |
| Yearly Offer Premium | $14.99 | per year |
| Quarter Premium | $17.99 | per 3 months |
| Yearly Premium | $29.99 | per year |


### Deep Sleep

[App page](https://appshunter.io/ios/app/deep-sleep-x/id6748362659)

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

**In-app purchases:** none


## Frequently asked questions

### Is Aurora Alerts Forecast Tracker free?

Aurora Alerts Forecast Tracker is free to download, with in-app purchases available.

### Is Deep Sleep free?

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

### Do Aurora Alerts Forecast Tracker or Deep Sleep have ads?

Neither Aurora Alerts Forecast Tracker nor Deep Sleep shows ads.

### Which is updated more often, Aurora Alerts Forecast Tracker or Deep Sleep?

Aurora Alerts Forecast Tracker ships an update every 7 months, and Deep Sleep every 8 days. Most recently, Aurora Alerts Forecast Tracker was updated on November 4, 2026 and Deep Sleep 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.*