# Scan the Sky vs Dyausa

The clearest difference is iOS requirement: Scan the Sky at 15.0 against Dyausa's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | Scan the Sky | Dyausa |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/scan-the-sky/id6783022214/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Weekly |
| Monetization | Free | — |
| Size | 4 MB | 7 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Abigail Wise](https://appshunter.io/developer/6783022216) | [Adit Goel](https://appshunter.io/developer/6779083065) |

## What reviewers say

### Scan the Sky

[App page](https://appshunter.io/ios/app/scan-the-sky/id6783022214)

Discover celestial events and track satellites with real-time data. Explore light pollution maps, meteor shower indexes, and constellation guides. Get space weather alerts and cloud cover forecasts for optimal stargazing.

**Highlights:** Light pollution scouting map, Meteor shower index and alerts, ISS live tracking, Seasonal constellation guide, Space weather matrix, Cloud cover and lunar projections

**In-app purchases:** none


### Dyausa

[App page](https://appshunter.io/ios/app/dyausa/id6793622010)

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

**In-app purchases:** none


## Frequently asked questions

### Is Scan the Sky free?

Scan the Sky is free to download, with no in-app purchases.

### Is Dyausa free?

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

### Do Scan the Sky or Dyausa have ads?

Neither Scan the Sky nor Dyausa shows ads.

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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.*