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MerciApp - AI Writing Assistant

Write better, faster, wherever you work.

Users70KCurrent public install base

Rating4.5Store average score

Reviews133Public review volume

Manifest versionV3Extension platform version

7-day growth-10KNet users gained this week

7-day growth rate-12.5%Relative weekly velocity

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MerciApp - AI Writing Assistant Media preview

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User Growth Over Time

Rating trend

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7-day rating change

Start

4.52

Latest

4.52

7-day rating change

0.00

2026年7月14日2026年7月20日

Growth overview

Daily, weekly, and monthly growth

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1-day growthFlat

00%

7-day growthDeclining

-10K-12.5%

30-day growthDeclining

-10K-12.5%

Technical snapshot

Version, languages, and crawl freshness

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Version3.86.0

ManifestV3

Size4.14MiB

Languages2English / français

Published--

Store updated--

Last crawled--

Overview

Product summary

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MerciApp helps you correct, rephrase, and structure your writing instantly, right inside your browser. From emails and CRMs to messaging apps and collaborative tools, it improves your texts and speeds up repetitive replies without disrupting your workflow.

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Correct • Professional real-time autocorrect

More than just a spelling and grammar checker, MerciApp enhances the clarity, conciseness, and tone of your messages. Every suggestion comes with a clear explanation, so you understand the correction and keep improving.

What MerciApp detects:

• Spelling mistakes and homophones (“I should of —> I should have ”)

Reviews

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Store average score4.5Chrome Web Store aggregate rating, including ratings without synced review text

Synced text average4.5Average computed only from synced review bodies

Reviews with text112Synced review bodies

Total ratings / reviews133Chrome Web Store public rating/review count

Store average score: 4.5. Synced review text can be locked or unavailable even when the store shows a public score.

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AI product read

AI-powered real-time writing assistant that corrects, rephrases, and transforms text directly within any web-based application

Helps professionals write better and faster by providing instant grammar/spelling corrections, text rephrasing, and AI-powered writing assistance across all websites without leaving their workflow

User types in any web text field → MerciApp content script monitors input via MutationObserver → text is sent to MerciApp API with JWT authentication → corrections appear inline as user types → user can accept individual corrections or use Transform/Rewrite to rephrase text → custom AI assistants accessible via side panel or Alt+M shortcut

Target users: Professionals writing emails and business communications / Sales and support teams handling repetitive replies / Users of CRM, messaging, and collaborative web tools / Non-native language speakers needing writing assistance

Background.js is heavily minified (697KB), making it difficult to trace exact authentication and feature-gating logic
No explicit billing/payment code or Stripe/payment processor integration found in extension source
Cannot determine from source alone whether free usage tier exists or all features require paid subscription

Monetization

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Permission risk

High-risk permissions

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扩展能力较强：activeTab、cookies、storage、tabs、scripting
主机权限覆盖范围较宽
同时具备浏览数据与站点访问能力

Publisher

MerciApp

ARTHUR OLLIER

Email: [email protected]
Phone: +33679280681
Address: 295 Bd Saint-Denis Courbevoie 92400 FR

Public contact fields are shown above. Developer portfolio pages are available on paid accounts.

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Permissions

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