Black hole finder Downloads & RevenueBlack hole finder · App Store & Google Play
Black hole finder by DDQ is on App Store and Google Play. Active Users (MAU & DAU), Downloads, rankings, keywords, revenue, and rating totals.
📦iOSUpdated to version 4.4📦iOSFirst update in 270 days📈AndroidDropped out of every chart we track🆕AndroidFirst spotted by AppInsider🆕iOSFirst spotted by AppInsider🆕iOSReleased on the App Store
Full timeline · 9 events
- ✏️Black hole finder: app got smalleriOS85 MB → 46 MB (-46%)
- ✏️Black hole finder: needs a newer iOSiOSiOS 13.0 → iOS 16.0
- 📦Black hole finder updated to version 4.4iOSMany improvements and bug fixes.
- 📦Black hole finder: first update in 270 daysiOS
- 📈Black hole finder dropped out of every chart we trackAndroidLast seen 11 Oct
- 🆕Black hole finder first spotted by AppInsiderAndroidNetherlands
- 🆕Black hole finder first spotted by AppInsideriOSUnited States (found via developer)
- 📦Black hole finder version 4.3iOSPerformance improvements
- 🆕Black hole finder released on the App StoreiOS
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Rating
4.1 ★
7 ratings, both stores
Measured
App Store
App details
App ID
6446029571
Publisher
DDQ
On the store since
Aug 2023
3 years on the store
Minimum OS
iOS 16.0+
iPhone 8 and later
Devices
iPhone · iPad
Universal purchase
Content rating
4+
Languages
1
EN
Size
46 MB
Also listed in
Reference
Google Play
App details
App ID
nl.ddq.blackholefinder
Publisher
Pocket Science Citizen Science apps
Black hole finder downloads & installs
Both stores, worldwide. Bands are open; exact numbers are free with an account.
| Store | Downloads / day | Lifetime installs |
|---|---|---|
| App Store | – | 500+ |
| Google Play | – | – |
| Total | – | 500+ Confidence |
How this is calculated
App Store: chart positions and rating growth per country, anchored on its own Android downloads; lifetime from ratings worldwide × installs per rating. Google Play: the daily change in its exact install count. The total adds every store.
Where it ranks now
Both stores, across every country we track.
| Store | Best rank | Charting in | US Top Free | US Top Grossing |
|---|---|---|---|---|
| App Store | – | 0 of 30 countries | – | – |
| Google Play | – | 0 of 23 countries | – | – |
Full chart lists: App Store · Google Play.
Ratings
Both stores. Store data, measured.
| Store | Rating | Ratings |
|---|---|---|
| App Store | 4.1 ★ | 7 |
| Google Play | – | – |
| Both stores | 4.1 ★ weighted by ratings | 7 |
About Black hole finder
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!
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!
Black hole finder App Store
Not in any tracked top chart right now.
Updated 9 Nov 2026 · rankings refresh through the day
DeveloperDDQ
CategoryEducation
PriceFree
Released
Rating★ 4.1 (7)
Version4.4
Age rating4+
First seen by us
12 Oct 2026
12 Oct 2026Installs (est.)500+ worldwide
Rating
4.1 ★
7 ratings
Measured
Black hole finder on the App Store
App details
App ID
6446029571
Publisher
DDQ
On the store since
Aug 2023
3 years on the store
Minimum OS
iOS 16.0+
iPhone 8 and later
Devices
iPhone · iPad
Universal purchase
Content rating
4+
Languages
1
EN
Size
46 MB
Also listed in
Reference
Black hole finder downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. App Store downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
4.1 ★
7 ratings
Measured
Ratings
7
Measured
About Black hole finder
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!
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!
Latest updates
4.4
Many improvements and bug fixes.
4.3
Performance improvements
Store changes
What Black hole finder changed on its store page: name, icon, screenshots, price, size, languages, requirements.
App got smaller
85 MB → 46 MB (-46%)
Needs a newer iOS
iOS 13.0 → iOS 16.0
More from DDQ
Black Hole Finder Android
Not in a tracked Google Play top chart right now.
Updated 9 Nov 2026 · rankings refresh through the day
DeveloperPocket Science Citizen Science apps
Category–
PriceFree
Released–
Installs–
Rating–
Updated–
Content rating–
Black Hole Finder on Google Play
App details
App ID
nl.ddq.blackholefinder
Publisher
Pocket Science Citizen Science apps
Where it ranks on Google Play
Every top 200 chart it appears in across 23 countries.
| Country | Charts | Rank |
|---|---|---|
| Not in a Google Play top chart right now. | ||