# SoHO Viewer vs Mars Info Lite

The clearest difference is rating: Mars Info Lite at 4.4 against SoHO Viewer's 3.4. Mars Info Lite also leads on review sentiment (96% vs 69%) and ratings volume (200 vs 19). SoHO 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.

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 3.4. That said, the two scores are not equally well evidenced: Mars Info Lite has 200 ratings behind it against 19, 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 96% of Mars Info Lite's.

SoHO Viewer ships an update every 2 months, Mars Info Lite every 3 months. Both last shipped on October 21, 2026.

## The numbers

| Metric | SoHO Viewer | Mars Info Lite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (19 ratings)](https://appshunter.io/ios/app/soho-viewer/id356679615/reviews) | **[4.4 (200 ratings)](https://appshunter.io/ios/app/mars-info-lite/id1093071808/reviews)** |
| Number of ratings | 19 | **200** |
| Positive reviews | 69.1% of reviews | **96.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | Free |
| Size | 5 MB | 210 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple TV** |
| Age rating | 4+ | 4+ |
| Developer | [Jérôme Diaz](https://appshunter.io/developer/334987620) | [Viktor Goltvyanytsya](https://appshunter.io/developer/556365139) |

## 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


### Mars Info Lite

[App page](https://appshunter.io/ios/app/mars-info-lite/id1093071808)

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.

**Highlights:** Interactive 3D Mars globe, Rotate, tilt, and zoom controls, Pinpoint key locations, View location details (name, type, size, coordinates), List of selectable locations

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to navigate and self-explanatory
- ✨ Fantastic graphics and useful information
- 🚀 Responsive navigation around Mars
- 💡 Great for learning about Mars
- 🌟 Awesome info graphics and data

**What reviewers complain about**

- 🐛 Pinpoints shifted 90 degrees in longitude
- 🔭 Can't zoom in close enough
- 🖼️ Picture can be unsteady when scrolling text

**Reported bugs**

- Pinpoints shifted 90 degrees in longitude
- Crashes immediately on iPhone 4s

**Requested features**

- Implement geomorphology data
- Add ability to zoom out and see Mars alignment with other planets
- Add VR support
- Add apps for other planets


## Frequently asked questions

### Is SoHO Viewer free?

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

### Is Mars Info Lite free?

Mars Info Lite is free to download, with no in-app purchases.

### Which has better reviews, SoHO Viewer or Mars Info Lite?

Mars Info Lite is rated higher. SoHO Viewer averages 3.4 out of 5 from 19 ratings, while Mars Info Lite averages 4.4 from 200 ratings.

### Do SoHO Viewer or Mars Info Lite have ads?

Neither SoHO Viewer nor Mars Info Lite shows ads.

### Which is updated more often, SoHO Viewer or Mars Info Lite?

SoHO Viewer ships an update every 2 months, and Mars Info Lite every 3 months. Most recently, SoHO Viewer was updated on October 21, 2026 and Mars Info Lite on October 21, 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.*