nookd. vs Black Hole Sandbox

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

nookd. compared with Black Hole Sandbox
Detail	nookd.	Black Hole Sandbox
What it does	A private nook for your photos, videos and files.	A realistic black hole, in your pocket
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Free
Pricing	Free: 100 files in each profile, every feature included. Spare Key: $4.99 per month, no file limit. Skeleton Key: $49.99 per year, no file limit.	Not given
Key features	Auto-logout when switching apps Full-screen file viewers with no data export iCloud sync across iPhone and iPad Customizable folder organization Blank app switcher snapshot	Real-time ray tracing through curved spacetime Augmented reality view of black hole 37 color palettes and custom colors Customizable accretion disc textures Emoji swarm replacement for accretion disc Upload custom photos to accretion disc Interactive orbit and zoom controls Save custom presets
What makes it different	Encrypted before leaving your device	Scientifically accurate simulation using general relativity equations Real-time physics applied to personal photos and emojis Blend between realistic and impossible designs Watch lensing effects on your actual room in AR
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	23 −1 (down) since last check
Trust Flow (Majestic)	0	0
Citation Flow (Majestic)	0	21
Referring domains (Majestic)	0	12

4 details filled in for both companies.