Everappz 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.
Everappz compared with Black Hole Sandbox
| Detail | 
Everappz | 
Black Hole Sandbox |
|---|
| What it does | iOS and Mac apps for audio playback, video playback, and music metadata management
| A realistic black hole, in your pocket
|
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| Stage | Established
| Not given
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| Founded | 2006
| Not given
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| Based in | ES
| Not given
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| Pricing model | Freemium
| Free
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| Pricing | Not given
| Not given
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| Key features | - Cloud music streaming from 12+ services including iCloud, Dropbox, and Google Drive
- Lossless audio format support (FLAC, DSD, ALAC, 120+ formats)
- Audio equalizer and effects
- Gapless playback and crossfade
- Music metadata editing with 120+ tag fields
- CarPlay support
- Offline music playback and sync
- Network protocol support (SMB, WebDAV, DLNA)
- Playlist management and library sync
- Full accessibility support including VoiceOver
| - 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
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| What makes it different | - 14 million downloads worldwide with high App Store ratings (Evermusic: 4.6 stars from 18,000+ reviews)
- Independent developer with customer-first design philosophy and continuous feedback-driven improvements
- Privacy-first approach with analytics opt-out and secure local data storage
- No bloat philosophy with clean, stable apps focused on essential features
- Full accessibility including VoiceOver and screen reader navigation
| - 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
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 40 ▲ +1 (up) since last check | 23 ▼ −1 (down) since last check |
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| Trust Flow (Majestic) | 22 | 0 |
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| Citation Flow (Majestic) | 33 | 21 |
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| Referring domains (Majestic) | 118 | 12 |
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4 details filled in for both companies.
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