MerciApp vs WriteHuman: which one to choose in 2026?

Community ratings, features, pricing and free plans: the complete head-to-head between MerciApp and WriteHuman to find the right tool for your needs.

Screenshot of MerciApp
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MerciApp

4.6 (143)

MerciApp is a spelling and style checker built by a French team specifically for the French language. Where general-purpose checkers struggle with the subtleties of French grammar, it catches agreement errors, conjugation mistakes, barbarisms and clunky phrasing with remarkable accuracy, right inside all your writing tools.

Grammar Checker
View detailsOfficial site
Screenshot of WriteHuman
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WriteHuman

4.7 (249)

WriteHuman is an AI-powered content rewriting tool designed to transform AI-generated text into human-like writing. It aims to help users bypass AI detection tools by rephrasing content to appear more natural and authentic.

ParaphrasingContent GeneratorGrammar CheckerPlagiarism CheckerSEO Assistant
View detailsOfficial site

Comparison table

CriterionMerciAppWriteHuman
Average rating4.64.7
Number of reviews143249
Free planYesYes
PlansFree, Assist, EnterpriseFree Trial, Basic Plan - $9/month (billed annually), Pro Plan - $12/month (billed annually), Ultra Plan - $27/month (billed annually), Unlimited Plan - $36/month (billed annually)
CategoriesGrammar CheckerParaphrasing, Content Generator, Grammar Checker, Plagiarism Checker, SEO Assistant
Last updatedJuly 8, 2026May 2, 2025

See all tools in these categories: Grammar Checker

Our verdict

MerciApp or WriteHuman?

MerciApp (4.6/5) and WriteHuman (4.7/5) earn very similar ratings from our community: the choice mostly comes down to your use case.

Budget-wise, both tools offer a free plan: you can try them before committing to a paid tier.

WriteHuman also covers Paraphrasing, Content Generator, Plagiarism Checker and SEO Assistant, ground that MerciApp does not directly address.

Features head to head

MerciApp

  • Specialized French correction: spelling, grammar and conjugation
  • Smart real-time autocorrect in your text fields
  • Educational explanations for every mistake it flags
  • AI-powered rephrasing to adjust tone and tighten sentences
  • Works in the browser, Word, Outlook and Google Docs
  • Data hosted in Europe, GDPR-compliant

WriteHuman

  • AI Humanizer: Transforms AI-generated content into human-like text.
  • Tone Customization: Allows selection of various tones to match the desired writing style.
  • Enhanced Model: Offers advanced rewriting capabilities for premium users.
  • AI Detector: Built-in tool to check the likelihood of content being flagged as AI-generated.
  • Multi-language Support: Supports content rewriting in multiple languages.

Pricing compared

MerciApp

Free

  • Spelling and grammar correction up to 600 words per day
  • Browser extension included
  • A few rephrasings per day

Assist

  • €24 per month, or about €12 per month billed annually
  • Unlimited analysis, autocorrect and style suggestions
  • AI-powered rephrasing and team statistics

Enterprise

  • Custom pricing through the sales team
  • Advanced administration: SSO, centralized license management
  • Dedicated point of contact and tailored deployment

WriteHuman

Free Trial

  • 3 humanizer requests per month
  • Up to 200 words per request
  • Access to basic features

Basic Plan - $9/month (billed annually)

  • 80 humanizer credits per month
  • 600 words per credit
  • Access to Enhanced Model
  • Basic customer support

Pro Plan - $12/month (billed annually)

  • 200 humanizer credits per month
  • 1200 words per credit
  • Access to Enhanced Model
  • Priority customer support

Ultra Plan - $27/month (billed annually)

  • 800 humanizer credits per month
  • 3000 words per credit
  • Access to Enhanced Model
  • Priority customer support

Unlimited Plan - $36/month (billed annually)

  • Unlimited humanizer credits
  • Access to Enhanced Model
  • Priority customer support

Prices are indicative and may change — check the official sites for up-to-date pricing.

Frequently asked questions

What is the difference between MerciApp and WriteHuman?

Both tools share the Grammar Checker space, but WriteHuman adds Paraphrasing, Content Generator, Plagiarism Checker and SEO Assistant.

MerciApp or WriteHuman: which one is rated higher?

The two tools are neck and neck: MerciApp shows 4.6/5 (143 reviews) and WriteHuman 4.7/5 (249 reviews).

Can you use MerciApp or WriteHuman for free?

Yes: both MerciApp and WriteHuman offer a free plan to get started. Advanced features require their paid tiers.

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