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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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ClickMoat
✓ verifiedPaid
AI click-fraud protection for Google (and beta Meta) Ads that blocks bots and bad clicks and helps file Google refunds.
848 visits/mo377 saves
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ZeroGPT
✓ verifiedFreemium
All-in-one AI writing suite led by an AI content/GPT detector, bundling a humanizer, paraphraser, grammar checker, translator, and chatbot.
26M visits/mo3.4K saves
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GPTZero
✓ verifiedFreemium
AI-content detector aimed at educators, adding plagiarism, grammar and citation checks with claimed high accuracy.
17M visits/mo7.3K saves
Pricing
Standard: $39/mo (5,000 clicks, 1 ad account)
Pro: $69/mo (10,000 clicks, 2 ad accounts)
Free trial available
Free: $0 forever
No public pricing
Core features
- ✦AI invalid-click detection
- ✦Automatic and manual IP/VPN blocking
- ✦Custom protection rules
- ✦Detailed click and campaign analytics
- ✦Google refund reporting
- ✦Device tracking
- ✦Meta Ads (beta) support
- ✦Multi-model AI text detector (ChatGPT, GPT-5, Gemini, Claude, DeepSeek, etc.)
- ✦AI text humanizer to reduce detectability
- ✦Plagiarism checker across billions of sources
- ✦AI paraphraser, summarizer, and grammar checker
- ✦AI translator and word counter utilities
- ✦ZeroCHAT general-purpose AI chatbot
- ✦WhatsApp and Telegram bot access
- ✦Downloadable PDF detection reports and batch file upload
- ✦Detects AI text from major LLMs (ChatGPT, Claude, Gemini, Llama)
- ✦Sentence-level highlighting with explanations
- ✦Plagiarism and grammar checking
- ✦Hallucination and citation verification
- ✦Authorship/writing-process verification
- ✦Integrations for Chrome, Google Docs, Canvas and API
Use cases
- →Protecting Google Ads budgets
- →Blocking competitor and bot clicks
- →Analyzing traffic quality
- →Claiming refunds for fraudulent clicks
- →Educators checking student submissions for AI-generated content
- →Writers verifying and humanizing AI-assisted drafts
- →Checking text for plagiarism before publishing
- →Businesses integrating AI detection via API
- →Quick grammar/translation checks while writing
- →Checking student work for AI-generated content
- →Verifying authentic authorship in classrooms
- →Screening submissions for publishers and recruiters
- →Detecting AI text through the API in other apps
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