# Thermal Monitor - Phone Temp

> Monitor your phone's temperature with an unobtrusive widget to avoid throttling

Canonical page: [https://chrome-stats.com/d/com.rollerbush.thermal](https://chrome-stats.com/d/com.rollerbush.thermal)

## Overview

- **ID:** `com.rollerbush.thermal`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Rollerbush
- **Category:** TOOLS
- **Downloads:** 411,217
- **Rating:** 4.63 / 5 (4,700 ratings)
- **Version:** 3.9.1
- **Last updated:** 2026-08-31
- **First published:** 2020-01-28
- **Publisher country:** SE
- **Size:** 661 KB
- **Data as of:** 2026-09-13
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.rollerbush.thermal)
- **Privacy policy:** [https://storage.googleapis.com/gamelauncher-30ec3.appspot.com/tm-privacy-policy.html](https://storage.googleapis.com/gamelauncher-30ec3.appspot.com/tm-privacy-policy.html)

## Description

**Thermal Monitor - Phone Temp** is a lightweight Android app for tracking battery, CPU, GPU, and other available temperature sensors in real time. Monitor thermal throttling with an unobtrusive floating widget, status bar icon, notifications, and optional spoken updates—ideal for gaming and heavy phone use.

The app is designed for minimal performance impact, with no ads, no internet requirement, low RAM and CPU usage, and few permissions. Premium features include widget customization, multiple temperature monitors, selectable sensors, enhanced reading precision, custom notification icons, and temperature or throttling warnings. Sensor availability depends on the device and Android system data.

## Rankings

- #110,736 — Overall
- #7 — temperature

## Permissions and access

### Permissions

- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.FOREGROUND_SERVICE_SPECIAL_USE`
- `android.permission.INTERNET`
- `android.permission.POST_NOTIFICATIONS`
- `android.permission.RECEIVE_BOOT_COMPLETED`
- `android.permission.SYSTEM_ALERT_WINDOW`
- `com.android.vending.BILLING`

## Review summary

Reviews largely praise Thermal Monitor for showing temperature readings and ease of use, with many finding the readings generally accurate on several devices and the premium option affordable. Recurrent drawbacks include accuracy doubts on certain devices due to sensor methods, incomplete sensor coverage on some models, widget customization/reliability issues, no history of readings, and occasional stability problems.

### Pros

- Shows real-time device temperature readings (CPU and battery)
- Widely perceived as useful and easy to use for monitoring heat
- Generally accurate temperature readings on many devices
- Good value for money with affordable premium features

### Cons

- Inconsistent accuracy across devices due to sensor limitations (battery sensors or CPU usage readings)
- Incomplete sensor coverage on some devices (CPU/GPU temps not available on all models)
- Widget customization and reliability problems (per-screen display issues, movable widget requests, and some widget functions not working on certain devices)
- Lack of history/logging to record past readings
- Stability issues such as the app disappearing on occasion

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