Lexicon vs MerciApp
Lexicon
lexicon-writer.pages.devMerciApp
merci-app.comSide by side
| Figure | Lexicon | MerciApp |
|---|---|---|
| Price from | Free | €12/mo |
| Free plan | Yes | Yes |
| Free trial | — | Yes |
| Open source | — | — |
| Web | — | Yes |
| Windows | Yes | Yes |
| macOS | Yes | Yes |
| Linux | Yes | — |
| iOS | — | Yes |
| Android | — | Yes |
| Plans published | 1 | 3 |
| Spec score · Grammar checkers | 8.5 (#24) | 9.2 (#8) |
| Browser extension | Yes | Yes |
| Desktop app | Yes | Yes |
| Free plan | Yes | Yes |
| Integrations | Lex can connect to Ollama or LM Studio, and the browser extension shares a personal dictionary with the desktop app through local loopback. | The browser extension works with tools including Gmail, Slack, Facebook, WordPress, Salesforce, and HubSpot, and MerciApp also offers Word and Outlook extensions. |
| Languages | Express in English phrases writing from Chinese, French, German, Hindi, Spanish, and dozens of other languages into natural English across six tones. | MerciApp Correct supports French, Spanish, Italian, German, and Portuguese. |
| Privacy | Drafts, dictionaries, settings, and writing metrics are stored in the local user profile; Lexicon says it has no cloud sync, mandatory accounts, or first-party background telemetry. | The maker says texts are never used to train its AI and that data is hosted in Europe, with GDPR compliance. |
| Product | Lexicon is a distraction-free desktop writing editor with local proofreading, rewrites, and export built in. | MerciApp is an AI writing assistant with spelling, grammar, context, and style correction, plus rewriting tools. |
| Style suggestions | Yes | Yes |
| Support | The maker directs users to its Discord for bug reports, feature requests, and community help. | Assist includes premium onboarding and support, while Enterprise offers dedicated account management and personalized rollout. |
Plans
In their own words
Lexicon
Lexicon has no write-up on Specifiction yet; its figures are above.
MerciApp
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.