System Status Monitor Help & FAQ

Track CPU, RAM, network throughput, storage, and battery on iPhone and iPad. Find out what each metric means and how to read it without misinterpreting iOS numbers.

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Frequently asked questions

What metrics can the app show?

CPU load, active and free RAM, network throughput on Wi-Fi and cellular, storage capacity and free space, and battery level. On supported devices it also surfaces uptime, model details, OS version, and connection type.

Does running the monitor itself slow down my iPhone?

The impact is small. The monitor samples public iOS APIs at a low rate (around once per second when foregrounded, less in widgets). For most workflows you will not notice it, but you can disable background sampling in settings if you want absolute minimum overhead.

Can it show exact battery health, like the Apple battery service screen?

iOS limits how much battery internal data third-party apps can read. The app reports the values that iOS exposes (level, charging state, low-power mode) plus charge cycles where available. For the official maximum-capacity percentage, Apple's built-in Settings > Battery > Battery Health is the source of truth.

Are there Home Screen widgets and a Lock Screen complication?

Yes. There are small, medium, and large widgets for Home Screen and rectangular and circular widgets for Lock Screen, so you can keep CPU, RAM, or battery visible at a glance.

Why does free RAM look low even when nothing is open?

iOS aggressively uses free memory for caches and background tasks - this is normal and faster than leaving RAM idle. A low "free" number is not a problem unless apps start crashing or relaunching.

Does it work on iPad and iPod touch?

Yes. The app runs on iPhone, iPad, and any iOS/iPadOS device that meets the minimum version listed on the App Store. Some metrics (like cellular throughput) are only available on devices that have a cellular modem.

Is any data sent off the device?

No. All readings are sampled and rendered locally. Nothing about your device is uploaded.

System Status Monitor

Get System Status Monitor

Live CPU, memory, network, and battery stats with widgets and Lock Screen complications.

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How-to guides

How to add a CPU and RAM widget to your iPhone Home Screen

Keep performance metrics visible without opening the app.

  1. Long-press an empty area of your Home Screen until the icons jiggle.
  2. Tap the plus icon in the top-left corner.
  3. Search for System Status Monitor and select it.
  4. Swipe between widget sizes to pick the layout you want, then tap Add Widget.
  5. Tap the widget while still in edit mode to choose which metric it shows (CPU, RAM, Storage, Battery, or Network).
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How to monitor RAM usage on iPhone

Check whether memory pressure is the reason an app keeps reloading.

  1. Open System Status Monitor and go to the Memory tab.
  2. Note the active, wired, and free RAM values while you are using the device normally.
  3. Open the app you suspect is heavy (a game, a browser with many tabs) and watch how active memory changes.
  4. Switch back to System Status Monitor and check whether free RAM stays low for long periods.
  5. If it does, close other background apps from the multitasking switcher and re-test.

Memory pressure is a normal part of iOS - high active RAM is not automatically a problem.

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