
Detectify
UptimeRobot
Mozilla Observatory
Reeve.page
SimpleBackups
Snyk
Intruder
AppSitter connects to your GitHub repo and checks what nobody can see from outside: row-level security across every migration, keys shipped in the bundle, dependency advisories, email DNS. Every finding comes back as a prompt for your builder.

Spectate
UptimeRobot
Phare.io
SEO Speed Test
Lighthouse Metrics
Hyperping
Cronitor
Observer published by Aspyr and developed by Bloober Team is a Horror-Survival, Cyberpunk-themed, and Single-player video game.
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Website, pricing, platforms and company facts side by side.
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| Website | appsitter.app | observer-game.com |
| Pricing | — | |
| Platforms | — | |
| Company | Startup from Germany · 1 - 9 employees · 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


AI builders let anyone ship a real app. Nothing in that workflow tells you when the app is leaking data, or quietly running up a database bill. AppSitter is the watch service for exactly that gap. FREE URL SCAN, NO ACCOUNT Paste your live URL and see what the outside world can already see: API...
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Observer: System Redux Review
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When comparing AppSitter and Observer, you can also consider the following products.

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Supercharge your monitoring, alerting, and incident management with AI. Stay on top of potential issues and keep your projects running smoothly.
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The Mozilla Observatory is a project designed to help developers, system administrators, and security professionals configure their sites safely and securely.
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Keep your website up and running, empower your team with efficient incident management and keep your users informed during hard times.
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Managed Supabase backups: verified copies kept off-platform, encrypted, restored in one click. Plus a free security scanner for AI-built apps (Lovable, Base44, Replit, v0, Claude, Codex) and uptime monitoring.
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