# SoHO Viewer vs ASGuide

The clearest difference is rating: ASGuide at 4.8 against SoHO Viewer's 3.4. ASGuide also leads on review sentiment (100% vs 69%). SoHO Viewer's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 18.0). On price, ratings volume, update cadence and ads there is nothing between them.

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

ASGuide holds the better App Store score, 4.8 against 3.4. Both are backed by a comparable volume of ratings — 19 and 9 respectively. Written reviews point the same way: 69% of SoHO Viewer's written reviews are positive against 100% of ASGuide's.

SoHO Viewer ships an update every 2 months, ASGuide every 4 months. The most recent releases landed on July 21, 2026 and September 1, 2026 respectively.

## The numbers

| Metric | SoHO Viewer | ASGuide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (19 ratings)](https://appshunter.io/ios/app/soho-viewer/id356679615/reviews) | **[4.8 (9 ratings)](https://appshunter.io/ios/app/asguide/id1500363899/reviews)** |
| Number of ratings | **19** | 9 |
| Positive reviews | 69.1% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free | Free |
| Size | 5 MB | 33 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Jerome Diaz](https://appshunter.io/developer/334987620) | [Philip Perez](https://appshunter.io/developer/1500363898) |

## What reviewers say

### SoHO Viewer

[App page](https://appshunter.io/ios/app/soho-viewer/id356679615)

Access and view the latest images from the Solar and Heliospheric Observatory (SoHO). Receive push notifications when new images are available, keeping you updated on solar activity. This app is a convenient tool for anyone interested in space imagery.

**Highlights:** Download latest SoHO images, Display solar images, Push notifications for new images, Badge notification for new images, Image courtesy of SOHO consortium

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is SoHO Viewer free?

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

### Is ASGuide free?

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

### Which has better reviews, SoHO Viewer or ASGuide?

ASGuide is rated higher. SoHO Viewer averages 3.4 out of 5 from 19 ratings, while ASGuide averages 4.8 from 9 ratings.

### Do SoHO Viewer or ASGuide have ads?

Neither SoHO Viewer nor ASGuide shows ads.

### Which is updated more often, SoHO Viewer or ASGuide?

SoHO Viewer ships an update every 2 months, and ASGuide every 4 months. Most recently, SoHO Viewer was updated on July 21, 2026 and ASGuide on September 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.*