AI Tool Comparison

Comparing as AI Grammar & Proofreading Tools
Slick Write vs StealthWriter

Slick Write

StealthWriter

Verdict by Category

Detailed category analysis is not available for this comparison.

View Slick Write View StealthWriter

Detailed Comparison

Feature

Slick Write

StealthWriter

Pricing

FreeSlick Write is completely free with no paid plans, no premium tier, and no subscription model. All features are available at no cost with no account creation or credit card required. This includes unlimited text checking, all 30 analysis options, Flow Analytics, writing statistics, the Word Associator, and the browser extensions for Chrome and Firefox. There are no usage limits or word count restrictions. Slick Write is supported as an independent project by RussTek with no monetization through subscriptions, ads, or data sales.

FreemiumStealthWriter offers a free tier with limited daily word credits using the Ninja engine. Paid plans starting at approximately $20/month unlock Ghost mode for heavy-duty academic detector bypass, higher monthly word limits, and batch processing. Annual plans are available at reduced monthly rates. Contact StealthWriter through stealthwriter.ai for business and high-volume pricing.

Slick Write Pros & Cons

Pros

Completely free — no account, no subscription, no hidden costs, no word limits
Flow Analytics provides unique sentence rhythm visualization not found in most paid tools
30 customizable analysis checks let writers focus on their specific weaknesses
Detailed writing statistics: passive voice index, prepositional phrase density, vocabulary variety, readability
Documents not stored or redistributed — private and secure for sensitive writing
Word Associator helps overcome writer’s block with related term suggestions
4.4/5 Capterra rating — highly recommended by its small but satisfied user base

Cons

Web-only — no desktop app, no offline capability
No real-time checking as you type — requires paste-and-check workflow
Less sophisticated than Grammarly or ProWritingAid for advanced style suggestions
English-only — no multilingual support
Minimal UI with no modern AI writing suggestions or rewrites
No mobile app or integration with Google Docs or Microsoft Word

StealthWriter Pros & Cons

Pros

Dual-engine architecture — Ninja for speed, Ghost for the toughest academic detectors
Interactive synonym selection gives users fine-grained control over final output voice
Built-in AI detector shows before/after bypass scores for confidence before submitting
Free tier available — no credit card required to test Ninja engine
SEO-safe output preserves keyword placement and semantic structure