addcarwidgets 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.
addcarwidgets compared with Black Hole Sandbox
| Detail | 
addcarwidgets | 
Black Hole Sandbox |
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| What it does | Free CarPlay widgets app with 124 presets, custom startup sounds, synced lyrics, and Mount Mode for cars without CarPlay
| A realistic black hole, in your pocket
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| Stage | Startup
| Not given
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| Founded | Not given
| Not given
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| Based in | US
| Not given
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| Pricing model | Freemium
| Free
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| Pricing | Free download. Annual subscription $19.99/year. One-time purchases for additional display packs available.
| Not given
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| Key features | - 124 free CarPlay widget presets
- Photo widget that cycles any album you pick
- Weather cards in six styles with live local conditions
- Custom startup sound with custom .m4a import
- Synced lyrics on CarPlay and lock screen
- Mount Mode dashboard for cars without CarPlay
- Works on every CarPlay-capable iPhone iOS 16.2+
- No login required
- Live air quality for your city
- Big date and time clock widget
| - 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 | - 124 free widget presets ship on first launch with no login or subscription required
- Synced karaoke-style lyrics that highlight in real-time as you sing
- Mount Mode provides a CarPlay-style dashboard for Teslas and older cars without CarPlay
- Customizable startup and disconnect sounds instead of default Apple chimes
| - 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) | 3 ● no change since last check | 23 ▼ −1 (down) since last check |
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| Trust Flow (Majestic) | 3 | 0 |
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| Citation Flow (Majestic) | 25 | 21 |
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| Referring domains (Majestic) | 27 | 12 |
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4 details filled in for both companies.
More alternatives to addcarwidgets More alternatives to Black Hole Sandbox