Compare tools
Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.
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HybridAI
✓ verifiedFreemium
European enterprise platform for deploying prebuilt or custom AI agent 'coworkers' with GDPR- and EU-hosted compliance.
161 visits/mo
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Undetectable AI
✓ verifiedFree trial
AI writing detector and humanizer that rewrites AI-generated text to pass detection tools for students, writers, and businesses.
4.0M visits/mo27K saves
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StealthWriter
✓ verifiedFreemium
Rewrites AI-generated text into natural human-sounding prose with a built-in before/after AI detector, for students and content writers.
3.6M visits/mo23K saves
Pricing
Free: €0 (limited models, personal use)
Standard: €49/mo (€25 token budget, 1 agent)
Pro: €399/mo (all agents, full API access)
Max: €1,249/mo (priority SLA, dedicated manager)
Max Local: €1,349/mo (locally hosted model)
No public pricing
Free trial available
Free: $0/mo (10 humanizations/day, 1,000 words/input)
Starter: $20/mo (50 humanizations/day, 5,000 words/input)
Plus: $50/mo (150 humanizations/day, 5,000 words/input)
Pro: $100/mo (350 humanizations/day, 5,000 words/input)
Scale: $400/mo (2,000 humanizations/day, 5,000 words/input)
Core features
- ✦Prebuilt role-based AI agents
- ✦Custom agent builder
- ✦EU servers with GDPR/AI Act compliance
- ✦Knowledge base / RAG integration
- ✦Choice of 100+ LLMs
- ✦Agents with their own email address
- ✦Add-on modules like VAT intelligence
- ✦AI text detector with sentence-level flagging
- ✦AI humanizer/rewriter that scores as human on detectors
- ✦AI-generated image detector
- ✦Fake PDF and AI audio detectors
- ✦Chrome extension for in-browser use
- ✦Sentence rewriter and word counter utilities
- ✦Adjustable rewrite intensity (light/medium/aggressive)
- ✦Integrated AI detector with before/after scoring
- ✦Sentence-by-sentence Deep Scan analysis
- ✦Multiple alternative rewrites per flagged sentence
- ✦Fast processing (seconds per document)
- ✦No storage of submitted text after processing
Use cases
- →Automated sales outreach
- →VAT and tax classification
- →Market and competitive research
- →BI, analytics and survey dashboards
- →GEO/SEO content optimization
- →Students checking assignments before submission
- →Content writers keeping AI-assisted drafts flag-free
- →Professionals polishing client emails and reports
- →Businesses scaling content output without losing consistency
- →Students checking and humanizing AI-assisted assignments
- →Bloggers and marketers polishing AI-drafted content
- →Researchers and professionals needing natural-sounding AI-assisted writing
- →Verifying content passes detectors before publishing
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