# FS Libre 2

> Consenting and surveys

Canonical page: [https://chrome-stats.com/d/com.thread.t821c023](https://chrome-stats.com/d/com.thread.t821c023)

## Overview

- **ID:** `com.thread.t821c023`
- **Platform:** Android
- **Type:** Android app
- **Status:** Removed
- **Publisher:** THREAD
- **Category:** MEDICAL
- **Downloads:** 82,145
- **Rating:** 2.55 / 5 (271 ratings)
- **Version:** 1.0.47
- **Last updated:** 2023-11-01
- **First published:** 2021-05-07
- **Publisher country:** US
- **Size:** 64 MB
- **Data as of:** 2026-03-05
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.thread.t821c023)
- **Website:** [https://www.threadresearch.com](https://www.threadresearch.com/)
- **Privacy policy:** [https://www.threadresearch.com/privacy-policy](https://www.threadresearch.com/privacy-policy)

## Description

FS Libre 2 is a specialized research study Chrome extension designed to streamline pediatric clinical trials related to the FreeStyle Libre 2 glucose monitoring system. This app enables participants or their guardians to access study information, provide electronic consent securely, and complete surveys efficiently. Tailored for the ADC-US-PMS-20196 post-market study, FS Libre 2 ensures seamless data collection and compliance with clinical regulations.

Ideal for healthcare professionals and study coordinators, this extension simplifies participant management and enhances data quality in real-world pediatric patient populations. By integrating e-consent and survey functionalities, FS Libre 2 supports user-friendly research workflows and contributes to advancing diabetes management technologies.

## Permissions and access

### Permissions

- `android.permission.ACCESS_COARSE_LOCATION`
- `android.permission.ACCESS_FINE_LOCATION`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.ACCESS_WIFI_STATE`
- `android.permission.BLUETOOTH_CONNECT`
- `android.permission.BLUETOOTH_SCAN`
- `android.permission.CAMERA`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.MODIFY_AUDIO_SETTINGS`
- `android.permission.POST_NOTIFICATIONS`
- `android.permission.READ_EXTERNAL_STORAGE`
- `android.permission.READ_PHONE_STATE`
- `android.permission.RECEIVE_BOOT_COMPLETED`
- `android.permission.RECORD_AUDIO`
- `android.permission.USE_BIOMETRIC`
- `android.permission.USE_FINGERPRINT`
- `android.permission.VIBRATE`
- `android.permission.WAKE_LOCK`
- `android.permission.WRITE_EXTERNAL_STORAGE`
- `com.google.android.c2dm.permission.RECEIVE`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`

## Review summary

Multiple users report that the app is not compatible with many Android devices, especially Motorola phones, and fails to recognize email credentials, preventing login. The app is intended only for pediatric study participants and requires an invitation code, which confuses many expecting a glucose monitoring app. Users express frustration about inability to read glucose sensors, lack of support, and unclear instructions. A few note the app is easy to learn and functions well when it works, but overall compatibility and usability issues dominate the reviews.

### Pros

- Easy to learn for some users
- Supports a donation model with unlimited access
- Functionally similar to Microsoft Office Suite in user experience

### Cons

- App is not compatible with many Android and Motorola phones, especially older models
- App does not allow login or recognize email addresses properly
- App only supports pediatric study participants with an invitation code, not general glucose tracking
- Users unable to use app to read glucose sensors as expected, leading to frustration
- Poor customer support and unclear instructions for use

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.thread.t821c023)