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System Monitor app icon

System Monitor

Real-time CPU, storage, memory and battery info detection for Android.

Get it on Google Play

The powerful system monitor for CPU, RAM and battery. You can monitor CPU temperature, CPU frequency, storage usage, memory usage, battery temperature and battery health at the same time — all read-only, with no cleaning or boosting.

System Monitor provides many kinds of powerful tools, including: overheating alarm, overheating protection, RAM widget, CPU widget, battery widget and floating window. So download System Monitor now to see exactly what is happening inside your phone!

Features of System Monitor - complete guide

CPU monitor

Monitor the CPU temperature and CPU frequency in real time and show them with curve tables. Analyze the CPU temperature and frequency history information, and support multicore CPU monitoring. Help you understand CPU usage and spot performance issues as a phone cooler would report them.

Storage info

View your storage usage — used space, free space and what is taking it up. This is read-only information; System Monitor does not delete files or clear caches.

Memory info

View memory (RAM) usage and per-app memory at a glance. This is read-only information; System Monitor does not free or boost RAM.

Battery monitor

Show the curve table of battery usage and temperature. Monitor the battery status, including: health, power status, voltage, level.

Battery saver and doctor

Extends battery life by optimizing device settings. You can choose “LONG LIFE MODE” or “CUSTOM SAVE MODE”.

Temperature overheating alarm and overheating protection

System Monitor will trigger an alarm when the CPU’s or battery’s temperature is overheating. You can choose to open or close the overheating alarm as you like.

Floating window

Floating window shows the CPU temperature, battery temperature and RAM usage in real time, including: status bar floating window and desktop floating window.

Widget

Support RAM widget, CPU widget and battery widget.

Multi-Theme

Powerful System Monitor is very beautiful and supports multi-theme switching. You can choose the theme you like.

If you buy System Monitor, you will have CPU monitor, storage info, memory info, battery monitor and battery saver at the same time — a one-time paid download, with no subscription and no RAM-boost gimmicks. Monitor CPU temperature, CPU frequency, storage usage, memory usage, battery temperature and battery health at the same time. So what are you waiting for? Download System Monitor now to see exactly what is happening inside your phone!

Frequently Asked Questions

What is System Monitor?

System Monitor is a paid Android tool for hardware info detection: real-time CPU temperature and frequency, storage and memory usage, and battery health monitoring.

Can System Monitor clean junk and boost RAM?

No. System Monitor is a read-only monitoring tool — it shows CPU, storage, memory and battery facts but does not clean junk or free/boost RAM.

Does it monitor battery health?

Yes. Monitor battery temperature, health, voltage and level with curves, plus battery saver modes to extend life.

Is there an overheating alarm?

Yes. System Monitor alerts you when CPU or battery overheats and offers overheating protection.

Guides & Tutorials

In-depth guides, comparisons and tutorials for System Monitor: