What Black Hole Camera actually does (from store listing)
Uses the camera of your phone to simulate the Black hole being 1m (3.28ft) away from you. Black hole mass here is similar to the mass of the planets like Mars or Earth. You can change the mass with the pinch gesture or slider. Allows you also to save the full-resolution photo of the Black Hole. Uses the real field of view angles from your phone's camera.
Requires only access for the camera and the SD card (to save high-resolution photos), nothing more. You can revoke the SD card access - it w…
Uses the camera of your phone to simulate the Black hole being 1m (3.28ft) away from you. Black hole mass here is similar to the mass of the planets like Mars or Earth. You can change the mass with the pinch gesture or slider. Allows you also to save the full-resolution photo of the Black Hole. Uses the real field of view angles from your phone's camera.
Requires only access for the camera and the SD card (to save high-resolution photos), nothing more. You can revoke the SD card access - it will be still usable, although with limited functionality. Number of ads = 0.
It is still on progress, I yet have to test on different-vendor phones and improve the 15 different translations - right now nearly all of them are generated by on-line auto translators which is far from perfect.
Credit for the "Black holes in fiction" article on the wikipedia for an image on a Creative commons licence.
Opening of the picture folder from within the app, might require some File Explorer App in the system.
Requires 32-bit floating point precision on GPU to render preview correctly.
Comparable Android apps
The five apps in Education with the closest revenue to Black Hole Camera. Click any to see its detail page.
Each forecast combines App Store rating, ratings count, monetisation model, pricing tier, IAP signals and ad-supported flag.
The base estimate is then multiplied by a per-category scaling factor learned from apps with founder-verified MRR.
Every number on this page comes from public APIs and bumetric's own snapshot history.
Full methodology covers input variables, accuracy bands per category and how we treat apps without comparable anchors.
See also the live data on Black Hole Camera's tracker page for current rating, reviews and snapshot timeline.
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