LanguageTool vs MerciApp

LanguageTool is a writing assistant that checks grammar, spelling, punctuation, casing, and style across 31 languages. It also offers tone detection, writing statistics, and paraphrasing modes for making sentences more formal, fluent, simple, or concise. The service works through browser extensions and Windows, macOS, and iOS apps, and integrates with Google Docs, Microsoft Word, Apple Pages, and LibreOffice. Email add-ons are available for Gmail, Outlook, Apple Mail, and Thunderbird. The free version covers spelling, simple punctuation, and some style issues, with a 2,000-character limit per text field; Premium allows up to 150,000 characters. Individual Premium can be billed monthly, quarterly, annually, or every two years, but no plan prices are listed. Text written through the browser add-on is usually not saved; text in the editor is stored and accessible across devices. Teams can manage invited users and share style guides and dictionaries. Business solutions are described as GDPR-conform and support consistent brand voice. Premium has a 14-day money-back guarantee with cancellation and refund without questions.

MerciApp is an AI writing assistant for spelling, grammar, context, and style corrections, with tools for rewriting text. Smart Autocorrect addresses errors in spelling, structure, and grammar as users type. Transform offers ready-made and customizable assistants for rewriting, structuring, and translation, while Dynamic Snippets insert reusable or personalized text using keyboard shortcuts. The browser extension works with Chrome, Firefox, and Edge and integrates with tools including Gmail, Slack, Facebook, WordPress, Salesforce, and HubSpot. Word and Outlook extensions are also available. MerciApp Correct supports French, Spanish, Italian, German, and Portuguese. The maker says texts are not used to train its AI and says data is hosted in France, kept private, and not shared with third parties. The free plan analyzes 600 words per day and allows three Transform rewrites per day. Assist costs €12 a month, with an annual option shown at 144€/year per seat; Enterprise requires at least 20 seats, with no price listed.