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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.

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

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
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