MoonBase Explorer vs CosmoSize
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MoonBase Explorer
Explore a detailed, realistic lunar base environment. Interact with astronauts and teleport to various locations around the station and surrounding craters. Discover the architecture of a polar research outpost.
- Realistic moon base architecture
- Interactive astronaut encounters
- Teleportation to 6 key sites
- Exploration of lunar environment
- Hydroponic greenhouses
- Radiation shielding details
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Discover the architecture of a polar station in a realistic lunar environment, with its cylindrical habitat modules, hydroponic greenhouses, radiation shields, walkways and passages protected from solar radiations, lunar landing area, photovoltaic panels rising over 100 m above the ground to provide permanent solar energy... Explore freely the Moon Base in a lunar environment of almost one square kilometer, interact with resident astronauts and teleport directly to 6 sites near the station or in the surrounding craters and valleys.
CosmoSize
Explore the vastness of the universe through an interactive gallery of celestial objects. Compare sizes, learn scientific facts, and navigate cosmic scales with intuitive gestures. Ideal for educational settings and curious minds.
- Interactive celestial object gallery
- Compare sizes with familiar objects
- Learn science facts
- Multi-language support
- Offline core content
- Guided educational display
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How large is the universe? Numbers are easy to read, but cosmic scale is hard to feel. CosmoSize arranges 128 celestial objects by real diameter in one interactive gallery. Begin with 151 meter Dimorphos, then travel through planets, stars, black holes, nebulae and galaxies. You can: 1. Drag with one finger to travel between objects 2. Pinch with two fingers to explore changes in scale 3. Tap any object to see its diameter and science story 4. Compare celestial objects with a person, a blue whale, Voyager 1, the International Space Station and Mount Everest 5. Jump between All Objects, Deep Space, Black Holes, the Solar System and Stars 6. Explore freely in Personal mode 7. Run an automatic guided display in classrooms, homes and exhibitions 8. Switch between Chinese, English, Japanese, Korean and Spanish No account is required. The app contains no advertising, in app purchases, analytics or cross app tracking. Core content works offline.
Screenshots
Verdict
The clearest difference is ratings volume: CosmoSize at 6 against MoonBase Explorer's 1. CosmoSize also leads on iOS requirement (15.0 vs 17.0). On price, rating, 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.
On the App Store both sit at effectively the same score — 5.0 for MoonBase Explorer against 5.0 for CosmoSize. That said, the two scores are not equally well evidenced: CosmoSize has 6 ratings behind it against 1, so its average is the more settled of the two.
| Parameter | MoonBase Explorer | CosmoSize |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (6 ratings) |
| Number of ratings | 1 | 6 — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 757 MB | 181 MB |
| Age rating | 4+ | 4+ |
| Developer | Olivier Boisard | ONLIST |
In-app purchases
MoonBase Explorer
No in-app purchases
CosmoSize
No in-app purchases
Questions
Is MoonBase Explorer free?
Is CosmoSize free?
Which has better reviews, MoonBase Explorer or CosmoSize?
Do MoonBase Explorer or CosmoSize have ads?
Other comparisons
