# Mars Info Lite vs Terra

The clearest difference is rating: Terra at 5.0 against Mars Info Lite's 4.4. Terra also leads on iOS requirement (8.0 vs 17.0). Mars Info Lite's advantage is ratings volume (200 vs 1). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Terra holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Mars Info Lite has 200 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 96% of Mars Info Lite's written reviews are positive against 100% of Terra's.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 21, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Mars Info Lite | Terra |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (200 ratings)](https://appshunter.io/ios/app/mars-info-lite/id1093071808/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/terra/id1429068860/reviews)** |
| Number of ratings | **200** | 1 |
| Positive reviews | 96.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free | Free |
| Size | 210 MB | 160 MB |
| Requires iOS | 17.0 | **8.0** |
| Devices | **iPhone, iPad, Mac, Apple TV** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Viktor Goltvyanytsya](https://appshunter.io/developer/556365139) | [Himalaya Computing](https://appshunter.io/developer/1205321932) |

## 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


### Terra

[App page](https://appshunter.io/ios/app/terra/id1429068860)

Explore a 3D model of the NASA Terra satellite, its equipment, and data products. Learn about its functions, instruments, and Earth observation capabilities through interactive simulations and visualizations.

**Highlights:** Interactive 3D satellite model, Detailed instrument information, Simulated satellite flybys, MODIS instrument visualization, ASTER data product display, Earth observation data

**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 Terra free?

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

### Which has better reviews, Mars Info Lite or Terra?

Terra is rated higher. Mars Info Lite averages 4.4 out of 5 from 200 ratings, while Terra averages 5.0 from 1 ratings.

### Do Mars Info Lite or Terra have ads?

Neither Mars Info Lite nor Terra shows ads.

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

Mars Info Lite ships an update every 3 months, and Terra every 3 months. Most recently, Mars Info Lite was updated on October 21, 2026 and Terra on October 7, 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.*