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PromptShield vs SkillKeeper

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 SkillKeeper
DetailPromptShield logo PromptShieldSkillKeeper logo SkillKeeper
What it doesStop rewriting prompts. Get better AI answers. Usage monitor for AI coding agents showing skills, tools, and token costs
StageNot given Startup
FoundedNot given 2026
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: full access for 3 days, then last week stays free forever. Paid: $19 one-time license (30% off until Oct 29, discounted to $13.30), includes every update and covers both Mac app and Claude Code mod on up to 2 Macs.
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
  • Token tracking by skill, agent, tool, MCP server, hook, memory and command
  • 5-hour, 24-hour, weekly and monthly history windows
  • Session cost alerts when expensive
  • Skill pause and resume functionality
  • Edit skill triggers and descriptions in-place
  • Works with Claude Code, Codex, Cursor and Gemini CLI
  • Cloud sessions support for claude.ai/code
  • Flags unused and clashing skills
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
  • Local-only processing—skills and code never leave your machine
  • One license covers both Mac menu bar app and Claude Code mod for Windows, Linux and Mac
  • No subscription—one-time $19 purchase with no automatic charges
  • Free week history permanently available
  • See which agents actually call which skills with clickable wiring diagram
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 check5 +3 (up) since last check
Trust Flow (Majestic)910
Citation Flow (Majestic)1922
Referring domains (Majestic)916

5 details filled in for both companies.

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