Device Info: CPU, RAM Monitor

Performance Monitor gives you a live view of what your phone is really doing. Check CPU usage, RAM, battery temperature and network speed in real time — all in one clean, dark dashboard.

Buying a cheap or second-hand phone? Playing heavy games? Phone getting hot or slowing down? Open Performance Monitor and see exactly what is happening inside your device.

★ REAL-TIME MONITORING
✔ CPU usage — live processor load, updated every second
✔ CPU cores — see how many cores your device really has
✔ RAM usage — used and total memory
✔ Battery temperature — catch overheating before it hurts your battery
✔ Network speed — live download and upload speed meter

★ WHY PERFORMANCE MONITOR?
✔ Lightweight — tiny download, low battery use
✔ Simple — no confusing menus, everything on one screen
✔ No account needed
✔ Free

★ PERFECT FOR
• Checking a new or used phone before/after you buy it
• Watching your device temperature while gaming
• Finding out why your phone lags or feels slow
• Monitoring RAM when many apps are open
• Testing your real WiFi and mobile data speed

★ MORE POWERFUL TOOLS
✔ Full device info — system, hardware, CPU, memory, battery, display and network
✔ Benchmark — test CPU, storage and 4K/8K video decoding, with game setting estimates
✔ Floating overlay — watch CPU, RAM and temperature while you play

Performance Monitor is a simple device info and system monitoring tool: a CPU monitor, RAM checker, battery temperature meter and internet speed meter in a single free app. No root required — works on all Android phones and tablets (Android 6.0+).

Questions or suggestions? Leave a review — we read all of them.

Download Performance Monitor now and get to know your phone.