Stable signalNo paid features detectedLow-risk permissions

Graderoom

Graderoom extension

Users1KCurrent public install base

Rating5.0Store average score

Reviews3Public review volume

Manifest versionV3Extension platform version

7-day growth0Net users gained this week

7-day growth rate0%Relative weekly velocity

Preview

Graderoom Media preview

1 assets

Trend

User growth trend

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User Growth Over Time

Rating trend

7-day rating trend

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7-day rating change

Start

5.00

Latest

5.00

7-day rating change

0.00

2026年7月16日2026年7月22日

Growth overview

Daily, weekly, and monthly growth

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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.

Version1.6.1

ManifestV3

Size35.0KiB

Languages1English (United States)

Published--

Store updated--

Last crawled--

Overview

Product summary

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

Graderoom is an advanced grade visualizer for students using PowerSchool. This extension enables client-side web scraping to use Graderoom without submitting a username or password to the website.

Reviews

Recent review snapshot

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Store average score5.0Chrome Web Store aggregate rating, including ratings without synced review text

Synced text average5.0Average computed only from synced review bodies below

Reviews with text1Synced review bodies

Total ratings / reviews3Chrome Web Store public rating/review count

Store average score: 5.0. 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★

Andy Kalb2025年9月26日

peak

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AI product read

Grade Visualizer

Provides a better visualization and access to student grades from PowerSchool, especially when the school has disabled the display of final grades or when the standard PowerSchool interface is limited.

The user logs into the PowerSchool Guardian portal in their browser. The extension then scrapes the grade data from the PowerSchool pages (myschedulematrix, termgrades, etc.) using an offscreen document to parse HTML. It extracts course names, grades, and assignment details, and sends this data to the Graderoom web app (graderoom.me) for visualization.

Target users: Students using PowerSchool / Parents using PowerSchool Guardian portal

The extension relies on the specific HTML structure of a specific PowerSchool instance (bcp.org). It may not work for other PowerSchool districts without modification.
The extension requires the user to be logged into PowerSchool in the same browser session.

Monetization

No paid features detected

No evidence of paid features, subscriptions, or billing logic in the extension source code. The extension appears to be a free utility for scraping PowerSchool data. The keyword 'pro' found in static analysis refers to JavaScript 'Promise' objects or 'progress' variables, not paid plans.

Confidence: 95
Payment platform: --
Source: AI / High
Login required: Yes
Reason: The extension scrapes data from https://powerschool.bcp.org/guardian/... pages. The code explicitly checks for 'Not logged in.' responses (scraper.js:236, 262, 372, 539) and requires the user to be authenticated to the PowerSchool Guardian portal to access grades. The extension does not implement its own login but relies on the user's existing session with the destination service.

Permission risk

Low-risk permissions

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

未命中敏感权限或广域站点访问规则

Publisher

Graderoom

Independent publisher

Email: [email protected]
Phone: --
Address: --

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Permissions

Host access