Cosmology vs BlackHolesHD
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cosmology
Explore the universe with stunning high-resolution images of celestial bodies. Journey through space, visiting planets and their moons, while learning about the evolution of space, time, and matter. Ponder the profound mysteries of existence.
- High-resolution images of planets, nebulae, and galaxies
- Interactive space travel to planets and moons
- Learn about the evolution of space, time, and matter
- Expert narration by Dr. Aaron Day
- Exploration of existential mysteries of the universe
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Explore the universe with 100s of high resolution images of planets, nebulae, galaxies, and more. Travel through space, visiting every planet and their major moons. Learn about the creation of space, time, and matter, and their evolution into stars, galaxies, and planets in the present day. Ponder the deep, existential mysteries of the universe. The story of creation is told by Dr. Aaron Day. Dr. Day earned his Ph.D. at the University of California, San Diego for research in cosmology.
BlackHolesHD
Experience a realistic simulation of a black hole with smooth, high-fidelity animation. This educational tool brings the fascinating physics of celestial bodies directly to your device.
- Realistic black hole simulation
- Smooth animation
- High-fidelity rendering
- Educational tool
- Pocket-sized celestial physics
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Real simulated Blackhole, simple and efficient ... smooth animation rendered in 24 bits.
Screenshots
Verdict
The clearest difference is review sentiment: Cosmology at 89% against BlackHolesHD's 27%. Cosmology also leads on rating (4.7 vs 3.4) and ratings volume (505 vs 38). On price, ads, in-app purchases and monetization model 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.
Cosmology holds the better App Store score, 4.7 against 3.4. That said, the two scores are not equally well evidenced: Cosmology has 505 ratings behind it against 38, so its average is the more settled of the two. Written reviews point the same way: 89% of Cosmology's written reviews are positive against 27% of BlackHolesHD's.
| Parameter | Cosmology | BlackHolesHD |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (505 ratings) — better | 3.4 (38 ratings) |
| Positive reviews | 88.6% of reviews — better | 27.3% of reviews |
| Number of ratings | 505 — better | 38 |
| Update frequency | Monthly | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 190 MB | 37 MB |
| Age rating | 4+ | 4+ |
| Developer | Aaron Day | Francois PIEDNOEL |
Customer experience
Cosmology
BlackHolesHD
Bugs and requests
Cosmology
Reported bugs
2 issues- Image display interference/hacking concerns
- App feels incomplete in certain sections
Requested features
6 requests- More interactive activities and engagement features
- Text-to-speech functionality
- More detailed explanations for beginner-level users
- Additional sub-categories and content sections
- Regular updates with current astronomical images
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- Alternative cosmological perspectives or viewpoints
BlackHolesHD
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Cosmology
No in-app purchases
BlackHolesHD
No in-app purchases
