# SoHO Viewer vs NEOScope

The clearest difference is price: SoHO Viewer at Free against NEOScope's $0.99. SoHO Viewer also leads on ratings volume (19 vs 1) and update cadence (every 2 months vs every 7 months). NEOScope's advantage is rating (5.0 vs 3.4) and review sentiment (100% vs 69%). On ads and in-app purchases there is nothing between them.

SoHO Viewer is free to download; NEOScope costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

NEOScope holds the better App Store score, 5.0 against 3.4. That said, the two scores are not equally well evidenced: SoHO Viewer has 19 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 69% of SoHO Viewer's written reviews are positive against 100% of NEOScope's.

SoHO Viewer ships an update every 2 months, NEOScope every 7 months. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | SoHO Viewer | NEOScope |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [3.4 (19 ratings)](https://appshunter.io/ios/app/soho-viewer/id356679615/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/neoscope/id6477293859/reviews)** |
| Number of ratings | **19** | 1 |
| Positive reviews | 69.1% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 7 months |
| Monetization | **Free** | Paid |
| Size | 5 MB | 11 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Jérôme Diaz](https://appshunter.io/developer/334987620) | [Christopher Bookmyer](https://appshunter.io/developer/1699500539) |

## 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


### NEOScope

[App page](https://appshunter.io/ios/app/neoscope/id6477293859)

Explore and track celestial objects with real-time data. Examine their size, speed, and proximity to Earth. Discover fascinating details about near-Earth objects.

**Highlights:** Track Near Earth Objects, Examine size, speed, and close calls, Utilizes NASA's NeoWs API, Detailed object information

**In-app purchases:** none


## Frequently asked questions

### Is SoHO Viewer free?

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

### Is NEOScope free?

NEOScope costs $0.99, with no in-app purchases.

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

NEOScope is rated higher. SoHO Viewer averages 3.4 out of 5 from 19 ratings, while NEOScope averages 5.0 from 1 ratings.

### Do SoHO Viewer or NEOScope have ads?

Neither SoHO Viewer nor NEOScope shows ads.

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

SoHO Viewer ships an update every 2 months, and NEOScope every 7 months. Most recently, SoHO Viewer was updated on October 21, 2026 and NEOScope on October 24, 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.*