Stable signalNo paid features detectedMedium-risk permissions

GMX MailCheck

Der sichere Klick in Dein Postfach.

Users100KCurrent public install base

Rating3.2Store average score

Reviews458Public review volume

Manifest versionV3Extension platform version

7-day growth0Net users gained this week

7-day growth rate0%Relative weekly velocity

Preview

GMX MailCheck Media preview

3 assets

Trend

User growth trend

Review user movement across collected snapshots.

User Growth Over Time

Rating trend

7-day rating trend

View collected rating snapshots from the latest 7-day window to assess rating stability.

7-day rating change

Start

3.17

Latest

3.16

7-day rating change

-0.01

2026年7月17日2026年7月23日

Growth overview

Daily, weekly, and monthly growth

Compare 1-day, 7-day, and 30-day net growth and growth rate.

1-day growthFlat

00%

7-day growthFlat

00%

30-day growthFlat

00%

Technical snapshot

Version, languages, and crawl freshness

Review publication date, version, supported languages, and crawl timestamps.

Version8.0.6

ManifestV3

Size2.2MiB

Languages4Deutsch / English / español +1

Published--

Store updated--

Last crawled--

Overview

Product summary

Review the store description, core capabilities, and common use cases.

Deine E-Mail Konten immer im Blick und mit einem Klick ins Postfach!

E-Mail Benachrichtigung im Browser

* Schnellzugriff auf E-Mails

* Auf einen Klick neue E-Mails schreiben

* Direkt unnötige E-Mails aus der E-Mail-Vorschau löschen

* Mails direkt als gelesen markieren

Reviews

Recent review snapshot

Inspect the latest comments and rating distribution.

Store average score3.2Chrome Web Store aggregate rating, including ratings without synced review text

Synced text average2.5Average computed only from synced review bodies below

Reviews with text266Synced review bodies

Total ratings / reviews458Chrome Web Store public rating/review count

Store average score: 3.2. The bars below are calculated from synced review text only, so they may be empty for extensions that have public ratings but no synced comments yet.

5★

4★

3★

2★

1★

119

Martin Gerber2014年6月17日

praktische sache

Udo Schierling2014年6月10日

Super, installiert, Daten eingeben...funzt. Keine Veränderung an irgendwelchen Einstellungen oder sonstiges. Passt!

Robert Schmidt2014年5月30日

Kann einige Bewertungen hier überhaupt nicht nachvollziehen... Es werden keine Einstellungen geändert! Mailcheck ist ein super praktisches Tool und funzt auch mit meinen anderen E-Mail Adressen. Für mich definitiv der beste Mail-Checker auf dem Markt. Weiter so!

Niklas Kimmlingen2014年4月7日

Super!

Johanna Schneider2014年3月5日

"Bad Request" sonst geht gar nix...!

Patrick Mundhenk-Koch2014年2月27日

Der Mail-Check ist super - dass die neue-Tab Seite ungefragt ersetzt wird ist es nicht. Glücklicherweise hat Chrome das mit der letzten Aktualisierung wieder rausgepatcht! Danke Chrome!

Dominik Mayer2014年2月26日

Even with "activate gmx new tab page" deactivated in the setting, the new tab site shows a little GMX symbol in the tab and the tab itself is blank. I want my recently visited pages back there. Only way to do that is to deactivate the extension. This only started with version 1.3. Fix that and I'll use it again

Daniel Möller2014年2月22日

Danke auch, dass ihr meine neue Tab Einstellung ändert. Und weg damit.

Karin Häußler2014年2月19日

einfach super

Maykel Sarkardeh2014年1月29日

Die beschriebene Einstellung bzgl. Chrome ist draussen, bzw. ist ausschaltbar...Für mich n super Erweiterung beim täglichen surfen.

Showing 266 results

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AI product read

Email notification and quick-access extension that monitors multiple email accounts and provides browser-based alerts for new messages

Users with multiple email accounts (GMX, WEB.DE, mail.com, Gmail, Outlook, 1&1) need a unified way to receive real-time notifications and quickly access their inboxes without manually checking each service

After installing, the onboarding panel prompts the user to log into one or more supported email providers (GMX, WEB.DE, mail.com, Gmail, Outlook). The extension then polls for new mail and displays unread counts on the toolbar icon badge. Clicking the icon either opens the inbox directly (single account) or shows a popup panel listing all accounts with unread emails. Users can compose, delete, or mark emails as read from the popup. Settings allow customization of notification sounds, search behavior, appearance, and privacy options.

Target users: GMX email users / WEB.DE email users / mail.com users / Gmail users / Outlook.com users / 1&1 email users / German-speaking email users (primary market)

The main JS files are heavily bundled/minified (~1MB background script), making deep code path analysis difficult without full deobfuscation
Cannot confirm the exact behavior of the GMX Go! and GMX Premium promotional links without testing runtime behavior
Cannot verify whether the extension blocks any core features for non-premium users without runtime testing

Monetization

No paid features detected

The extension itself has no paywall, subscription logic, billing APIs, or feature gating. The 'Products & Services' tab in options links to external GMX service products ('GMX Go!' start page and 'GMX Premium' email service) via external URLs, but these are separate services unrelated to the extension's functionality. The 'upgradeURL' in config.json points to an external GMX addon page. No Stripe, billing, or payment processing code was found. All extension features (mail notifications, badge counts, compose, delete, mark-read, multi-account management) are free.

Confidence: 85
Payment platform: --
Source: AI / High
Login required: Yes
Reason: The extension's core workflow requires users to sign in to their email accounts (GMX, WEB.DE, mail.com, Gmail, Outlook) during onsetup. The onboarding panel displays a login form with email/password fields and OAuth2 login buttons. Without signing into at least one email provider, the extension cannot function (no mail badge, no notifications, no inbox access). The background script at line 65-67 shows that clicking the icon with 0 accounts opens the login flow, and line 31 shows the popup changes based on isLoggedIn state.

Permission risk

Medium-risk permissions

This estimate uses declared permissions and host permissions to assess access scope and sensitivity.

扩展能力较强：activeTab、tabs、scripting、storage
站点访问范围较广（10 项）
同时具备浏览数据与站点访问能力

Publisher

1&1 Mail & Media GmbH

Email: [email protected]
Phone: +4915112588197
Address: Elgendorfer Str. 57 Montabaur 56410 DE

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Permissions

Host access