SoHO Viewer vs NEOScope
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SoHO Viewer
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.
- Download latest SoHO images
- Display solar images
- Push notifications for new images
- Badge notification for new images
- Image courtesy of SOHO consortium
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SoHO Viewer is a simple application for downloading and displaying the latest images taken by the Solar and Heliospheric Observatory (SoHO). It includes push notifications so you can be notified by a badge on the application when new images are available. It was quoted as “one of the ten best free applications to have on your iphone if you like stargazing:” http://www.networkworld.com/news/2010/112210-free-iphone-stargazing-apps.html It appears in Mars 2015 edition of Sky And Telescope, page 70. Images are courtesy of SOHO consortium. SOHO is a project of international cooperation between ESA and NASA. If you had like to see images taken by Solar Dynamics Observatory (SDO) please use the SDO Viewer application.
NEOScope
Explore and track celestial objects with real-time data. Examine their size, speed, and proximity to Earth. Discover fascinating details about near-Earth objects.
- Track Near Earth Objects
- Examine size, speed, and close calls
- Utilizes NASA's NeoWs API
- Detailed object information
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Track Near Earth Objects with NASA's NeoWs API. Examine NEO size, speed, close calls & more!
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Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | SoHO Viewer | NEOScope |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 3.4 (19 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 69.1% of reviews | 100.0% of reviews — better |
| Number of ratings | 19 — better | 1 |
| Update frequency | Every 2 months — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 5 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Jérôme Diaz | Christopher Bookmyer |
Customer experience
SoHO Viewer
NEOScope
In-app purchases
SoHO Viewer
No in-app purchases
NEOScope
No in-app purchases
