Comparison

BlackHolesHD vs Black hole finder

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Realistic black hole simulation
  • Smooth animation
  • High-fidelity rendering
  • Educational tool
  • Pocket-sized celestial physics
Features
Read full description

Real simulated Blackhole, simple and efficient ... smooth animation rendered in 24 bits.

About

Black hole finder

Contribute to cutting-edge astronomical research by identifying potential black holes and rare elements. Sift through real-time telescope images to detect fleeting light signals from cosmic events and potentially earn co-authorship on scientific publications.

Highlights
  • Analyze real-time telescope images
  • Detect light signals from cosmic events
  • Contribute to scientific research
  • Potential co-authorship on publications
  • Learn about black holes and neutron star mergers
  • Direct telescopes for additional measurements
Features
Read full description

Welcome to the Black Hole Finder, an exciting citizen science project dedicated to discovering black holes, particularly those formed from the fusion of two neutron stars. You have the unique opportunity to contribute to this cutting-edge research from the comfort of your home, using your phone, tablet, or computer. Our app brings the cosmos to your fingertips. When two neutron stars merge, they create a powerful event, sending gravitational waves through space. These events are detected by our gravitational wave detectors, which alert us to potential black hole formations. Mergers of this kind not only create black holes but also give birth to rare Earth elements such as Iodine, Gold, and Cerium. All these elements, especially Iodine, play crucial roles in supporting life as we know it. In addition to gravitational waves, these cosmic collisions emit light signals. The chase is on to detect these signals with our trio of specially designed BlackGEM telescopes located in Chile. The catch is that the detectors only provide a general localization of the event and the light signals are fleeting. Therefore, we need to act quickly to capture these signals before they fade away after a few days or a week at most. That's where you come in! Using our app, you will sift through real-time images of the sky taken by our BlackGEM telescopes. You will help us spot these light signals, effectively identifying potential new black holes. Not only will you be possibly among the first to set eyes on the light from these celestial events, but with some training, you may also direct telescopes to take additional measurements of intriguing objects. Your contributions to science won't go unnoticed. Participants who make significant discoveries will be offered co-authorship on scientific publications that result from their findings. We also provide training and guidance to enrich your understanding of the cosmos. The Black Hole Finder project is not just about making significant scientific contributions. It's about engaging with the wonders of the universe, learning about the intricate processes that drive its dynamics, and having fun while doing it! So, join us on this thrilling journey of discovery and exploration. Download the Black Hole Finder app now and start your cosmic adventure!

Screenshots

BlackHolesHD1 screens
Black hole finder2 screens

Verdict

The call

The clearest difference is rating: Black hole finder at 4.1 against BlackHolesHD's 3.4. Black hole finder also leads on review sentiment (63% vs 27%). BlackHolesHD's advantage is ratings volume (41 vs 7) and iOS requirement (12.0 vs 16.0). 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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

Black hole finder holds the better App Store score, 4.1 against 3.4. That said, the two scores are not equally well evidenced: BlackHolesHD has 41 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 27% of BlackHolesHD's written reviews are positive against 63% of Black hole finder's.

Scorecard4 real differences · 6 level
BlackHolesHD versus Black hole finder: the parameters behind the verdict, then further details
ParameterBlackHolesHDBlack hole finder
PriceFreeFree
Rating3.4 (41 ratings)4.1 (7 ratings) — better
Positive reviews27.3% of reviews62.5% of reviews — better
Number of ratings41 — better7
Update frequency—Every 10 days
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better16.0
Further details — not scored
Size37 MB44 MB
Age rating4+4+
DeveloperFrancois PIEDNOELDDQ

Customer experience

BlackHolesHD

All ratings38 ratings
Positive52.6%
Neutral15.8%
Negative31.6%
Written reviews11 reviews
Positive27.3%
Neutral45.5%
Negative27.3%

Black hole finder

All ratings7 ratings
Positive85.7%
Neutral0.0%
Negative14.3%
Written reviews8 reviews
Positive62.5%
Neutral0.0%
Negative37.5%

In-app purchases

None

BlackHolesHD

No in-app purchases

None

Black hole finder

No in-app purchases

Questions

Is BlackHolesHD free?
BlackHolesHD is free to download, with no in-app purchases.
Is Black hole finder free?
Black hole finder is free to download, with no in-app purchases.
Which has better reviews, BlackHolesHD or Black hole finder?
Black hole finder is rated higher. BlackHolesHD averages 3.4 out of 5 from 41 ratings, while Black hole finder averages 4.1 from 7 ratings.
Do BlackHolesHD or Black hole finder have ads?
Neither BlackHolesHD nor Black hole finder shows ads.

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