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PromptShield vs AfterPack

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

PromptShield compared with AfterPack
DetailPromptShield logo PromptShieldAfterPack logo AfterPack
What it doesStop rewriting prompts. Get better AI answers. Free JavaScript obfuscator that ships a different program on every build
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Freemium
PricingFree: 3 successful optimizations per day, full optimizer quality, no credit card required. Pro: $7.99/month for unlimited successful prompt optimizations. Free: unlimited local builds, 10 MB of Pro builds per month, 2 projects. Pro Indie: $132/month (billed yearly at $1,590, two months free), 3 GB of Pro builds per month, $0.12/MB past 3 GB, 5 projects. Pro Team and Enterprise available.
Key features
  • One-click prompt optimization across 7 AI chats
  • Prompt Library and Optimization History
  • Guard feature for sensitive information detection
  • Local image text OCR checking
  • Coach and Personalization
  • Apply without sending functionality
  • Per-build polymorphism: every build ships structurally different code
  • Works with any framework and bundler
  • Runs on Cloudflare Workers at the edge
  • Open source CLI and framework plugins
  • Protection Map shows what was protected
  • String literal encoding by default
  • Control flow flattening in medium+ presets
  • CSP-safe output with no eval()
  • Directives to target protection at specific code regions
  • Security scanner to audit live bundles
What makes it different
  • Same high-quality optimizer in both free and paid versions
  • No credit card required for free plan
  • Local data storage for library, history, and personalization
  • Works within existing AI chat interfaces without leaving them
  • Transparent about data handling and privacy
  • Free local builds with no limits or account required
  • Polymorphic output defeats patching tools across releases
  • Runs at the edge inside Cloudflare Workers
  • Fast: 100 KB in 0.2 seconds
  • Solo founder operating as independent business
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)Not checked yet no change since last check4 no change since last check
Trust Flow (Majestic)98
Citation Flow (Majestic)1930
Referring domains (Majestic)963

5 details filled in for both companies.

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