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Secret Once vs Preflight

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

Secret Once compared with Preflight
DetailSecret Once logo Secret OncePreflight logo Preflight
What it doesShare sensitive information that self-destructs Security scan for Supabase apps built with AI tools
StageNot given Not given
FoundedNot given Not given
Based inIE CR
Pricing modelFree Not given
PricingNot given Free scan included with every app. Proof Report $29 one-time for Supabase apps. Monitor $12/mo (founding price until November 20, 2026, then $19/mo) for weekly outside checks on up to 3 apps. Launch Pack $79 one-time for Proof Reports on up to 3 apps with 90 days of re-scans.
Key features
  • Password-protected links
  • Automatic content expiration
  • Self-destructing messages
  • No registration required
  • Advanced encryption protocols
  • GDPR and CCPA compliant
  • SOC 2 certified
  • Read-only security scan checking for exposed tables, API keys, and files
  • Two-user cross-account access testing as signed-in users
  • Automated privilege escalation testing
  • Dated evidence report for customers and compliance
  • Rerunnable curl requests for each finding
  • Weekly monitoring of outside security checks
  • Support for apps without Supabase
  • No service role key required
  • Test data marked and removed automatically
  • 14-day refund guarantee
What makes it different
  • Content automatically deleted from servers after one view, leaving no copies or backups
  • No trace in emails or chat logs
  • Complete anonymity with no registration or personal information needed
  • Hosted on Amazon Web Services for exceptional security
  • Tests live apps as two real users, not just configuration linting
  • Built-in checks mostly read setup; Preflight signs in as two users and tries to read across them
  • No code upload or service role key needed
  • Automated checks with human-readable fix prompts and SQL
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)1 no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)00
Citation Flow (Majestic)110
Referring domains (Majestic)30

4 details filled in for both companies.

More alternatives to Secret Once More alternatives to Preflight

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