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Lucide AI vs MerciApp: Complete Comparison 2026

Select a category, then compare up to 3 tools side by side. Analyze features, pricing, and performance.

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Writing & SEO19 tools available
Lucide AI
Lucide AI

The most reliable French AI detector to identify ChatGPT content

Lucide AI is an AI content detection tool specialized for French. It identifies whether text was generated by ChatGPT, Claude or other AIs, while offering anti-plagiarism and in-depth analysis features.

Strengths

  • Specialized and optimized for French (Made in France)
  • Accurate AI detection for ChatGPT, Claude, Bard, Gemini
  • Integrated anti-plagiarism module
  • API available for automation

Limitations

  • No free trial version
  • Prepaid credit system (no unlimited option)
  • Works only for French
  • Possibility of false positives

Pricing plans

  • 100 crédits
  • Détection IA
  • Détection plagiat
  • Scrapping URL
  • Accès API
  • Validité 1 an
  • 385 crédits
  • Détection IA
  • Détection plagiat
  • Scrapping URL
  • Accès API
  • Validité 1 an
  • 670 crédits
  • Détection IA
  • Détection plagiat
  • Scrapping URL
  • Accès API
  • Validité 1 an
  • 1385 crédits
  • Détection IA
  • Détection plagiat
  • Scrapping URL
  • Accès API
  • Validité 1 an
  • 2385 crédits
  • Détection IA
  • Détection plagiat
  • Scrapping URL
  • Accès API
  • Validité 1 an
  • 5570 crédits
  • Détection IA
  • Détection plagiat
  • Scrapping URL
  • Accès API prioritaire
  • Validité 1 an
  • 500 crédits/mois
  • Détection IA
  • Détection plagiat
  • Scrapping URL
  • Accès API
  • Crédits renouvelés chaque mois
MerciApp
MerciApp

French spelling checker and AI writing assistant

MerciApp is an AI spelling checker specialized in French, integrable with Word, emails, websites. Detects errors, style suggestions, grammar and appropriate tone via local NLP for precision on French nuances.

Strengths

  • Excellent for French with 30 years of linguistic research
  • Smart real-time autocorrection
  • Direct integration in all web tools
  • Customizable AI assistants (MAIA)

Limitations

  • Primarily optimized for French language
  • Advanced features require paid plans
  • No offline desktop version

Pricing plans

  • Correction complète
  • Intégrations Word/Gmail
  • Suggestions stylistiques

Add a 3rd (⌘K)

General overview

Criterion
Lucide AI
MerciApp
AI typeAI NativeAI Native
Country of origin🇫🇷 France🇫🇷 France
Year founded20232023
Supported languages1 language1 language

Detailed comparison

FeatureLucide AIMerciApp
Brand Voice
Unlimited words
Marketing templates
Campaign orchestration
Knowledge base
AI Writing
SEO Optimization
Plagiarism detection
Tone adjustment
Multilingual Writing
Content templates
Keyword research
SERP analysis
Word Limit
10000 words/month
Browser Extension
Available
Not available
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