
NULLSQUARE
PromptGuard
Block AI on every device. Nullgen’s free browser extension stops AI prompts; the iOS, Android, Mac, and Windows apps block known AI apps and sites. For families, schools, and IT.

Vibe App Scanner
App Launch Checklist
LaunchSafe
SecureStack
290 checks before you launch — leaked keys, open databases, runaway cloud bills, GDPR. Runs only the ones your app can fail, and names every one it skipped. 117 free.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | nullgen.ai | launchprep.dev |
| Pricing | ||
| Platforms | — | |
| Company | Startup from the United States · 1 - 9 employees | 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


Nullgen is an endpoint security and content-filtering solution designed for enterprise IT, security teams, and educational institutions to eliminate generative AI shadow IT. It prevents users from submitting proprietary code, confidential business data, or sensitive student records into...
Launchprep is a CLI pre‑launch scanner built for apps created with AI coding tools like Cursor, Claude Code, Lovable, v0, Bolt and Replit. Instead of a generic security audit, it runs 290 targeted checks for launch readiness: secrets and API keys, database exposure, authorization and...
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Nullgen and Launchprep.dev. For example, how are they different and which one is better?
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Planning tool for launching your app successfully
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