Cooling signalNo paid features detectedMedium-risk permissions

Blocklive: Scratch Realtime Collaboration!

Multiple Scratchers Can Work Together On The Same Project!

Users40KCurrent public install base

Rating3.0Store average score

Reviews341Public review volume

Manifest versionV3Extension platform version

7-day growth-30KNet users gained this week

7-day growth rate-42.9%Relative weekly velocity

Preview

Blocklive: Scratch Realtime Collaboration! Media preview

5 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

3.02

Latest

3.03

7-day rating change

+0.01

2026年7月16日2026年7月22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 growthDeclining

-30K-42.9%

30-day growthDeclining

-50K-55.6%

Technical snapshot

Version, languages, and crawl freshness

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

Version1.1

ManifestV3

Size253KiB

Languages1English

Published--

Store updated--

Last crawled--

Overview

Product summary

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

Blocklive syncs scratch projects in real time. Invite any number of friends to join a scratch project and create together. Blocklive uses websockets and the Blocklive webserver to sync projects.

You must add collaborators to your allow list in the extension popup before sharing projects with them.

Donate to blocklive at https://buymeacoffee.com/ilhp10

Reviews

Recent review snapshot

Inspect the latest comments and rating distribution.

Store average score3.0Chrome Web Store aggregate rating, including ratings without synced review text

Synced text average2.9Average computed only from synced review bodies below

Reviews with text317Synced review bodies

Total ratings / reviews341Chrome Web Store public rating/review count

Store average score: 3.0. 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★

100

4★

3★

2★

1★

110

VGM hut2024年5月25日

malware - dont use

fireblade2024年5月25日

it was a really good extension until the creator decided to use it maliciously and break part 2.3 of scratch's tos — don't install

Michael McGrath2024年5月25日

MALWARE DELETE NOW - FOLLOW BOT INSTALLED

Luigi Brown2024年5月25日

This was a great extension that allowed me to work with friends on projects live. It truly was something unique that I hadn't experienced or seen before. It's such a shame that the creator uses your account as a follow bot without your consent.

Nameless Cat2024年5月25日

Pretty cool extension, pretty sweet, there is that part where the creator uses your account as a follow bot without your consent but pretty nice

EACWorksYT2024年5月20日

so, when I opened my project, I always waiting for the loading and it takes for so long like until one eternity later. I already did anything like reopen. please fix this.

Sam Walter2024年5月10日

I've been wanting a solution for this big problem for a long time. THANK YOU! [EDIT] I've been working on a project for hours and now it's gone. I clicked on revert then save now and nothing happened. I went to my stuff, clicked on unlink to see if that worked and my project got freaking deleted. I went to the trash to grab it. it turned from untitled 39 to untitled 39-2. When I open untitled 39-2, it crashes

Jaclyn2024年5月6日

who put that goo in the fridge that's messed up

micheal jackson2024年5月6日

I downloaded it but in game when i want to share it keeps loading and doesnt do anything else

Stupid Guy2024年5月3日

its good but can you make it supported on turbowarp

Showing 317 results

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AI product read

Real-time collaborative editing of Scratch projects

Scratch's native editor is single-user only; Blocklive enables multiple Scratchers to work on the same project simultaneously in real time

1. User installs extension and is prompted to log into Scratch (scratch.mit.edu). 2. The extension verifies the user's Scratch identity via a cloud-variable challenge (sets a code as a cloud variable on a verification project, then retrieves a Blocklive API token). 3. User adds friends' Scratch usernames to an allow list in the popup. 4. When a user opens a Scratch project editor, the extension injects collaboration UI and connects to the Blocklive websocket server. 5. Changes to the project (blocks, sprites, scripts) are synced in real time to all connected collaborators via socket.io and the livescratchapi.waakul.com server. 6. Users can chat within projects and receive notifications of activity.

Target users: Scratch developers and students who want to collaborate on projects in real time / Scratch educators and teams working on shared coding projects

The extension has multiple popup variants (popups/, popups-blorig/, popups-lsorig/) suggesting historical evolution; the analysis focused on the primary popups/ directory.
The scripts/editor.js file is very large (3967 lines / 154KB) and only partially reviewed, but the key workflow elements were identified from the background and auth scripts.
Cannot confirm whether the Blocklive API server itself has any paid tiers or rate limits from the extension code alone.

Monetization

No paid features detected

The deterministic heuristic flagged 'subscribe' and 'upgrade' keywords, but all hits are false positives from the socket.io library (event subscription and transport upgrade terminology, not billing). The 'pro' hits are from 'project' and 'Promise'. No payment UI, billing API calls, plan checks, Stripe/payment platform integrations, or feature-gating code were found. The extension has a Ko-fi donation link (ko-fi.com/waakul) but this is voluntary donations, not paid features. All core collaboration features appear freely available.

Confidence: 95
Payment platform: --
Source: AI / High
Login required: Yes
Reason: The extension requires the user to be logged into Scratch (scratch.mit.edu). It fetches the Scratch session endpoint to detect login status (background.js line 231: `res = await fetch('https://scratch.mit.edu/session/?blreferer', {`), and if the user is not logged in, the popup displays a message blocking the UI: 'Uh oh! Youre not logged in! Log in to scratch to use blocklive!' (popup.html line 149). Additionally, the extension performs a cloud-variable-based verification flow (auth.js / verify.js) to obtain a Blocklive API token, which is sent as an authorization header on all API calls to livescratchapi.waakul.com.

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：storage

Publisher

Independent publisher

Email: --
Phone: --
Address: --

Permissions

Host access