PromptShield vs y

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 y
Detail	PromptShield	y
What it does	Stop rewriting prompts. Get better AI answers.	A Mac coding agent app for Claude Code and Codex that reshapes itself live
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Open source
Pricing	Free: 3 successful optimizations per day, full optimizer quality, no credit card required. Pro: $7.99/month for unlimited successful prompt optimizations.	Free
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	Run Claude Code and Codex agents in parallel Isolated workspaces for each coding session Modify feature for real-time app interface changes Live application modifications without restart Keep app modifications across updates Real tool calls and code execution
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	Self-modifying app that reshapes its own interface live based on natural language requests Open source and free, built to be reshaped by developers Run multiple coding agents in parallel with isolated workspaces Instant UI changes applied without restarting the app
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	9	3
Citation Flow (Majestic)	19	18
Referring domains (Majestic)	9	9

5 details filled in for both companies.

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