SDO Viewer vs Mars Info Lite
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SDO Viewer
Access and view the latest images from the Solar Dynamics Observatory. Receive push notifications when new images become available, keeping you updated on solar activity.
- Download SDO images
- Display latest solar images
- Push notifications for new images
- Courtesy of NASA/SDO science teams
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SDO Viewer is a simple application for downloading and displaying the latest images taken by the Solar Dynamics Observatory (SDO). It includes push notifications so you can be notified by a badge on the application when new images are available. SDO Viewer, by the creator of SoHO Viewer. Courtesy of NASA/SDO and the AIA, EVE, and HMI science teams.
Mars Info Lite
Explore the surface of the Red Planet with an interactive 3D globe. Discover significant locations like volcanoes, craters, and mountains, and view detailed information about each. This version offers a curated selection of points of interest.
- Interactive 3D Mars globe
- Rotate, tilt, and zoom controls
- Pinpoint key locations
- View location details (name, type, size, coordinates)
- List of selectable locations
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Explore Mars using simple gestures to rotate a globe, tilt, zoom and select locations. Credits - Viking Orbiter MDIM 2.1 map of Mars - NASA NASA's Scientific Visualization Studio: GMM-3 MOLA (Mars Orbiter Laser Altimeter) Topography map GMM-3 Free-Air Mars Gravity map GMM-3 Bouguer Mars Gravity map GMM-3 Crustal Mars Thickness map Features: - Ability to pinpoint about 80 the most interesting areas on the map of Mars, including volcanos, craters, plains, mountains, spacecrafts. - Displaying some information about the location, such as its name, type, short description, size and coordinates. - Ability to select locations on the 3D globe and on the plain list. - Zoom, rotation, tilt of the globe. Lite version is limited to display 7 locations for each category, i.e. you will see 42 places vs 80 (currently) in a full version.
Screenshots
Verdict
The clearest difference is rating: Mars Info Lite at 4.4 against SDO Viewer's 3.0. Mars Info Lite also leads on review sentiment (96% vs 60%) and ratings volume (200 vs 5). SDO Viewer's advantage is iOS requirement (13.0 vs 17.0). On price, update cadence, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Mars Info Lite holds the better App Store score, 4.4 against 3.0. That said, the two scores are not equally well evidenced: Mars Info Lite has 200 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 60% of SDO Viewer's written reviews are positive against 96% of Mars Info Lite's.
SDO Viewer ships an update every 2 months, Mars Info Lite every 3 months. The most recent releases landed on June 1, 2026 and September 20, 2026 respectively.
| Parameter | SDO Viewer | Mars Info Lite |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (5 ratings) | 4.4 (200 ratings) — better |
| Positive reviews | 60.0% of reviews | 96.0% of reviews — better |
| Number of ratings | 5 | 200 — better |
| Update frequency | Every 2 months — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac, Apple TV — better |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 6 MB | 210 MB |
| Age rating | 4+ | 4+ |
| Developer | Jerome Diaz | Viktor Goltvyanytsya |
Customer experience
SDO Viewer
Mars Info Lite
Bugs and requests
SDO Viewer
Not enough reviews yet to summarise bugs or requests.
Mars Info Lite
Reported bugs
2 issues- Pinpoints shifted 90 degrees in longitude
- Crashes immediately on iPhone 4s
Requested features
4 requests- Implement geomorphology data
- Add ability to zoom out and see Mars alignment with other planets
- Add VR support
- Add apps for other planets
In-app purchases
SDO Viewer
No in-app purchases
Mars Info Lite
No in-app purchases
