# Mars Info Lite vs DLR COMETS

The clearest difference is review sentiment: Mars Info Lite at 96% against DLR COMETS's 0%. DLR COMETS's advantage is update cadence (every 3 weeks vs every 3 months) and iOS requirement (8.1 vs 17.0). 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.

Mars Info Lite ships an update every 3 months, DLR COMETS every 3 weeks. The most recent releases landed on October 16, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Mars Info Lite | DLR COMETS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (200 ratings)](https://appshunter.io/ios/app/mars-info-lite/id1093071808/reviews)** | — |
| Number of ratings | **200** | — |
| Positive reviews | **96.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 210 MB | 416 MB |
| Requires iOS | 17.0 | **8.1** |
| Devices | **iPhone, iPad, Mac, Apple TV** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Viktor Goltvyanytsya](https://appshunter.io/developer/556365139) | [DLR German Aerospace Center e.V.](https://appshunter.io/developer/418202933) |

## What reviewers say

### 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


### DLR COMETS

[App page](https://appshunter.io/ios/app/dlr-comets/id1363156480)

Explore the Rosetta mission to Comet 67P/Churyumov-Gerasimenko through an interactive exhibition. Discover the science behind comets and the historic Philae lander touchdown. Relive this exceptional spaceflight adventure with multimedia content.

**Highlights:** Interactive comet model, Mission highlights and photographs, Historical background on comets, Rosetta mission science, Philae lander touchdown details, Personal stories from the mission

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mars Info Lite free?

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

### Is DLR COMETS free?

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

### Do Mars Info Lite or DLR COMETS have ads?

Neither Mars Info Lite nor DLR COMETS shows ads.

### Which is updated more often, Mars Info Lite or DLR COMETS?

Mars Info Lite ships an update every 3 months, and DLR COMETS every 3 weeks. Most recently, Mars Info Lite was updated on October 16, 2026 and DLR COMETS on October 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.*