# Mars Atlas vs Orbiting Sky

The clearest difference is ads: Mars Atlas at none against Orbiting Sky's shown. Orbiting Sky's advantage is update cadence (every 5 days vs every 6 weeks). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Mars Atlas sells 1 one-off in-app purchase and Orbiting Sky sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Mars Atlas ships an update every 6 weeks, Orbiting Sky every 5 days. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Mars Atlas | Orbiting Sky |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/orbiting-sky/id6798188213/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 5 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 1.5 GB | 54 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SOICHIRO NISHI](https://appshunter.io/developer/1896732181) | [PrairieSoft LLC](https://appshunter.io/developer/1861856568) |

## What reviewers say

### Mars Atlas

[App page](https://appshunter.io/ios/app/mars-atlas-3d-map-and-rovers/id6778795946)

Explore Mars with an interactive 3D globe, detailed imagery, and elevation profiles. Discover 450 Martian features, landing sites, and rover traverses. Includes astronomy calculations and orbital simulations.

**Highlights:** Interactive 3D Mars globe, 450 Martian features and landing sites, High-resolution surface imagery, Elevation profiles, Rover traverse visualization, Astronomy calculations, Earth-Mars orbital simulation

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mars Atlas Full Unlock | $9.99 | one-time |


### Orbiting Sky

[App page](https://appshunter.io/ios/app/orbiting-sky/id6798188213)

Visualize celestial movements and shadows on an interactive map. Explore daylight, moonlight, twilight, and eclipses by moving through time and location. Understand solar and lunar positions, shadow lengths, and lunar phases.

**Highlights:** Interactive sky map, Daylight and twilight visualization, Sun and Moon elevation/azimuth, Shadow projection and length, Lunar phase and illumination, Eclipse browser and visualization, Time travel control

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Orbiting Sky Pro Lifetime | $7.99 | one-time |


## Frequently asked questions

### Is Mars Atlas free?

Mars Atlas is free to download, with in-app purchases available.

### Is Orbiting Sky free?

Orbiting Sky is free to download, with in-app purchases available.

### Do Mars Atlas or Orbiting Sky have ads?

Orbiting Sky shows ads; Mars Atlas does not.

### Which is updated more often, Mars Atlas or Orbiting Sky?

Mars Atlas ships an update every 6 weeks, and Orbiting Sky every 5 days. Most recently, Mars Atlas was updated on October 28, 2026 and Orbiting Sky on October 25, 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.*