# SoHO Viewer vs ShowSky

The clearest difference is review sentiment: ShowSky at 100% against SoHO Viewer's 69%. ShowSky also leads on rating (3.8 vs 3.4) and iOS requirement (9.2 vs 13.0). SoHO Viewer's advantage is update cadence (every 2 months vs every 48 months) and ratings volume (19 vs 5). On price, ads, in-app purchases and monetization model there is nothing between them.

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

ShowSky holds the better App Store score, 3.8 against 3.4. Both are backed by a comparable volume of ratings — 19 and 5 respectively. Written reviews point the same way: 69% of SoHO Viewer's written reviews are positive against 100% of ShowSky's.

SoHO Viewer ships an update every 2 months, ShowSky every 48 months. The most recent releases landed on July 21, 2026 and June 10, 2026 respectively.

## The numbers

| Metric | SoHO Viewer | ShowSky |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (19 ratings)](https://appshunter.io/ios/app/soho-viewer/id356679615/reviews) | **[3.8 (5 ratings)](https://appshunter.io/ios/app/showsky/id936737341/reviews)** |
| Number of ratings | **19** | 5 |
| Positive reviews | 69.1% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 48 months |
| Monetization | Free | Free |
| Size | 5 MB | 80 MB |
| Requires iOS | 13.0 | **9.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jerome Diaz](https://appshunter.io/developer/334987620) | [Steven Suckow](https://appshunter.io/developer/594617821) |

## 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


### ShowSky

[App page](https://appshunter.io/ios/app/showsky/id936737341)

Explore the night sky with this astronomy app. It provides detailed views of stars, constellations, and deep space objects, helping you understand their positions and identify them in real-time by pointing your device.

**Highlights:** 180-degree sky map with flat horizon, 360-degree visible sky map, Real-time sky tracking view, Detailed views of stars, constellations, and deep space objects, Planet identification

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SoHO Viewer free?

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

### Is ShowSky free?

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

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

ShowSky is rated higher. SoHO Viewer averages 3.4 out of 5 from 19 ratings, while ShowSky averages 3.8 from 5 ratings.

### Do SoHO Viewer or ShowSky have ads?

Neither SoHO Viewer nor ShowSky shows ads.

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

SoHO Viewer ships an update every 2 months, and ShowSky every 48 months. Most recently, SoHO Viewer was updated on July 21, 2026 and ShowSky on June 10, 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.*