# JWST vs FredSky

The clearest difference is device support: JWST at 3 against FredSky's 1. JWST also leads on iOS requirement (13.0 vs 17.0). On price, 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.

## The numbers

| Metric | JWST | FredSky |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/jwst-live/id6762082027/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Monetization | Free | — |
| Size | 62 MB | 21 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 9+ | 4+ |
| Developer | [Alparslan Topbas](https://appshunter.io/developer/1130875171) | [Frederick Duggan](https://appshunter.io/developer/1880592487) |

## What reviewers say

### JWST

[App page](https://appshunter.io/ios/app/jwst-live/id6762082027)

Follow the James Webb Space Telescope's current activities with real-time observation schedules and detailed insights. Explore past and future targets, access in-depth scientific data, and personalize your view with custom filters.

**Highlights:** Live observation tracking, Past and future observation schedules, Detailed scientific data access, Powerful search functionality, Customizable date and time filters

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

**In-app purchases:** none


### FredSky

[App page](https://appshunter.io/ios/app/fredsky/id6794165144)

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

**In-app purchases:** none


## Frequently asked questions

### Is JWST free?

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

### Is FredSky free?

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

### Do JWST or FredSky have ads?

Neither JWST nor FredSky 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.*