# Study Signal

> Watches Prolific and CloudResearch for new opportunities so you don't have to. Alerts you when something drops, color-codes pay rates, and puts everything in one inbox.

Canonical page: [https://chrome-stats.com/d/study-signal](https://chrome-stats.com/d/study-signal)

## Overview

- **ID:** `study-signal`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Chantu
- **Category:** search-tools,appearance,alerts-updates
- **Daily users:** 1
- **Version:** 1.8.9
- **Last updated:** 2026-06-01
- **First published:** 2026-03-17
- **Size:** 457 KB
- **Data as of:** 2026-09-10
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/study-signal/)
- **Website:** [https://github.com/theChantu/study-signal](https://github.com/theChantu/study-signal)

## Description

Study Signal monitors research study platforms and alerts you when new opportunities are available.

Features:
- <strong>Opportunities Inbox:</strong> View opportunities from supported sites in one popup tab, with various sorting options.
- <strong>Highlight Rates:</strong> Applies color scaling to hourly rates to highlight higher and lower paying studies.
- <strong>Currency Conversion:</strong> Converts rewards into your selected target currency.
- <strong>Notifications:</strong> Opportunity alerts with configurable rules for title, researcher, reward, hourly rate, slots, and average completion time.
- <strong>Auto Reload:</strong> Automatically refreshes the page at random intervals to check for new opportunities.
- <strong>Analytics:</strong> Tracks completed opportunities and daily progress per supported site.

Supported sites:
• Prolific (<a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/b35650271308b0b493c503c906b2a5491f9f9151e6fdb8aa082e94ea5836c50e/http%3A//app.prolific.com" rel="nofollow">app.prolific.com</a>)
• CloudResearch (<a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/34a82f02509c42010326cbd1013a2ac0f25b78bb8d7e0a587ad75922b04398d7/http%3A//connect.cloudresearch.com" rel="nofollow">connect.cloudresearch.com</a>)

Open source: <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/cee842073e1b51f7a4d04af3ea2ebe318078d22e8ce37d1a9d83526f1f48968a/https%3A//github.com/theChantu/study-signal" rel="nofollow">https://github.com/theChantu/study-signal</a>

## Rankings

- #116,886 — Overall
- #36 — study
- #98 — opportunity

## Permissions and access

### Permissions

- `storage`
- `notifications`
- `tabs`
- `webRequest`
- `idle`
- `offscreen`

### Host permissions

- `https://app.prolific.com/*`
- `https://connect.cloudresearch.com/*`
- `https://internal-api.prolific.com/api/v1*`
- `https://connect.cloudresearch.com/participant-api*`
- `https://api.telegram.org/*`

### Content script matches

- `app.prolific.com`
- `connect.cloudresearch.com`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** High risk likelihood

### Analysis details

- Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

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Source: [Chrome-Stats](https://chrome-stats.com/d/study-signal)