# ASGuide vs Space Arc

The clearest difference is ads: ASGuide at none against Space Arc's shown. ASGuide also leads on monetization model (free vs ad-supported) and ratings volume (9 vs 1). Space Arc's advantage is update cadence (monthly vs every 4 months) and rating (5.0 vs 4.8). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Space Arc holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: ASGuide has 9 ratings behind it against 1, so its average is the more settled of the two.

ASGuide ships an update every 4 months, Space Arc monthly. The most recent releases landed on September 14, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | ASGuide | Space Arc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (9 ratings)](https://appshunter.io/ios/app/asguide/id1500363899/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/space-arc/id6759466047/reviews)** |
| Number of ratings | **9** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | **Free** | Ad-supported |
| Size | 33 MB | 7 MB |
| Requires iOS | **18.0** | 18.6 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Philip Perez](https://appshunter.io/developer/1500363898) | [Marc L. Melcher](https://appshunter.io/developer/371961192) |

## What reviewers say

### ASGuide

[App page](https://appshunter.io/ios/app/asguide/id1500363899)

Explore the night sky with this astronomy companion. Discover planets, galaxies, nebulae, and more visible from your location. Generate custom viewing lists and preview celestial objects with an interactive sky atlas.

**Highlights:** Discover celestial objects visible from your location, Generate custom viewing lists, View detailed observation information, Interactive sky atlas preview, Dark mode for nighttime viewing, Sunrise/sunset and moon phase dashboard

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

**In-app purchases:** none


### Space Arc

[App page](https://appshunter.io/ios/app/space-arc/id6759466047)

Explore celestial events with real-time data from NASA and other space agencies. Track satellites, view stunning astronomy pictures, and get personalized alerts for meteor showers, eclipses, and aurora.

**Highlights:** Real-time satellite tracking, NASA Picture of the Day, Global launch calendar, Celestial events calendar, Aurora alerts, Smart notifications, Offline event caching

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ASGuide free?

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

### Is Space Arc free?

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

### Which has better reviews, ASGuide or Space Arc?

Space Arc is rated higher. ASGuide averages 4.8 out of 5 from 9 ratings, while Space Arc averages 5.0 from 1 ratings.

### Do ASGuide or Space Arc have ads?

Space Arc shows ads; ASGuide does not.

### Which is updated more often, ASGuide or Space Arc?

ASGuide ships an update every 4 months, and Space Arc monthly. Most recently, ASGuide was updated on September 14, 2026 and Space Arc on September 18, 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.*