Disposa vs Caldera
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Disposa compared with Caldera
| Detail | 
Disposa | 
Caldera |
|---|
| What it does | A disposable camera app for events where guests shoot a limited roll with real film filters and the shared album reveals when it's over
| The social network for GitHub and Obsidian
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| Stage | Not given
| Not given
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| Founded | Not given
| Not given
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| Based in | DK
| Not given
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| Pricing model | Free
| Open source
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| Pricing | Not given
| Not given
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| Key features | - No app download for guests using App Clip on iPhone
- Limited roll capped by host to keep photos candid
- Full original quality export with no compression
- Customizable photo reveal timing
- Host can review, delete and curate photos before export
- Control who can view the album
- Complete roll emailed to host automatically
- Lock screen access to camera with shot counter and time remaining
- Dynamic Island shows shots left while using phone for anything else
| - GitHub city visualization showing repos as buildings and districts
- Living profile with daily journal, activity score and streaks
- End-to-end encrypted private note sharing
- AI agent and coding activity visualization
- World map showing all members' cities and neighborhoods
- Asks and offers with gravity rewards
- Read-only GitHub integration with no code access
- Self-hosted profile export to static site
- Mobile support on iOS and Android
- Cryptographic identity key stored locally in vault
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| What makes it different | - No downloads or signups required for guests, only host needs the app
- One shared limited roll keeps every photo candid and prevents endless retakes
- Photos always stay private and under host control
- Real film aesthetic with three authentic film looks
- Hundreds of candid shots from every angle credited to who took them
| - Free and open source with no telemetry
- Visualizes GitHub activity as a living city that updates automatically
- Privacy by default: nothing leaves your Obsidian vault unless you explicitly choose
- Sign up with just GitHub, no installation required
- Self-hosted option with open protocol
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| Free plan | Not given
| Not given
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| Open source | Not given
| Not given
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| Platforms | Not given
| Not given
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| Public API | Not given
| Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | Not checked yet ● no change since last check | 30 ▲ +1 (up) since last check |
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| Trust Flow (Majestic) | 3 | 7 |
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| Citation Flow (Majestic) | 26 | 26 |
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| Referring domains (Majestic) | 68 | 21 |
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4 details filled in for both companies.
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