Silicon Scope: CPU & Benchmark

Silicon Scope is a system monitor for iPhone and iPad that shows what your hardware is actually doing, in real time, and measures it when you want a number instead of a graph.

See total processor load and a live graph for every logical core, split by performance and efficiency cluster so you can tell which kind of core is doing the work. Watch memory, storage, battery, and network activity update as they happen.

LIVE MONITORING

- System-wide CPU load with a graph per logical core
- Performance and efficiency core clusters identified separately
- Network throughput, local IP and IPv6 address, and interface details
- Storage capacity and available space
- Battery charge, state, Low Power Mode, and thermal state
- Metal graphics device capabilities and this app's allocation
- Live thread list for the app itself, with names and CPU share

BENCHMARK

- Integer throughput and single-core floating point
- Multi-core scaling across every core
- Memory bandwidth
- Metal compute throughput on the GPU

A run takes a few seconds and reports raw units, GFLOPS, GB/s, and operations per second, alongside an index score.

TRACK RESULTS OVER TIME

Every run is kept on device, up to the most recent 100. A chart plots any single category across your runs, so you can see whether this device is holding its performance or losing it. The run log lists each result with the change from the run before it.

The thermal state and Low Power Mode at the time of each run are recorded with the result and shown in the log, because both change what the numbers mean. Throttled runs are marked in the chart so a hot-device result is never mistaken for a fair comparison.

Scores are anchored to fixed constants, which makes repeat runs on one device comparable. They are not calibrated against other devices and do not correspond to any third-party benchmark.

BUILT FOR BOTH

One app for iPhone and iPad. On iPad the tile grid widens and the layout keeps a readable column instead of stretching across the display. Every size of text is supported: the entire interface scales with your Dynamic Type setting, and dense rows reflow rather than truncate at accessibility sizes.

Six appearances are included: Light, Ocean, Violet, Mint, Sunset, and Graphite. Refresh interval, chart history, units, and layout density are all adjustable.

PRIVACY

Silicon Scope makes no network requests. Nothing is uploaded, no account is required, and there is no analytics, tracking, or advertising of any kind. Every reading stays on your device.

A NOTE ON WHAT iOS ALLOWS

iOS does not give apps access to other apps' processes, so the thread list covers Silicon Scope itself rather than the whole system. iOS also keeps GPU utilization and battery capacity and cycle count private, so the Graphics section reports Metal device capabilities and this app's allocation, and the Battery section reports charge, state, and thermal condition. Everything shown is measured on device, and anything iOS does not report is labeled rather than estimated.