CPU-Kit
The digital soul of your phone, on tap. A precise device info, CPU and RAM monitor with 17+ hardware diagnostics — and absolutely no ads.
See CPU-Kit in motion.
CPU-Kit is a free, ad-free device-info and system-monitor app for iPhone and Android. It shows live CPU and RAM usage, full hardware specs, battery health, network details, and runs 17+ on-device diagnostics — with home-screen widgets for both platforms.
The system info app, without the noise.
Ever wondered what truly powers your phone? CPU-Kit opens up the hardware behind the glass — chipset, cores, GPU, sensors, battery, network — and presents it in a clean, native interface for both iPhone and Android. No ads. No trackers. No upsell wall in front of the data you came for.
Whether you're a power user tracking thermal throttling, a buyer checking a used device, or a repair tech running diagnostics, CPU-Kit gives you a complete technical resume of your hardware in seconds. Pair it with CoreClean to free up memory before a benchmark, or with G-CPU Monitor for a wider dashboard.
Live performance monitoring.
The heartbeat of your device, in real time:
- Real-time CPU tracking — see exactly how each core handles load.
- Memory stats — active vs. cached RAM with an honest breakdown.
- System vitality — thermal status, uptime, kernel details.
- Battery health — level, charge cycles, voltage, temperature.
17+ hardware diagnostics.
Is your phone performing the way the spec sheet promised? Run our professional-grade test suite:
Display & multi-touch
Dead-pixel scan and touch-accuracy grid.
Speakers & mic
Loudspeaker, ear speaker and microphone clarity.
Sensors
Accelerometer, gyroscope, proximity, magnetometer.
Connectivity
Wi-Fi, GPS, NFC, Bluetooth and cellular spec checks.
Buttons & haptics
Volume keys, fingerprint reader, vibration motor.
Camera
Resolution, sensor size, supported features.
Stunning home-screen widgets.
Turn your home screen into a high-tech dashboard. Widgets for chipset and CPU, memory (RAM), storage and network, and a battery health card — all designed to feel native on iOS and Android.
Export professional reports.
Selling a phone, opening a support ticket, or auditing a fleet of devices? Generate a comprehensive PDF or CSV report in seconds. Every detail, formatted for humans.
Why CPU-Kit?
- Beautifully crafted — a clean interface that feels native to each OS.
- Privacy-focused — no unnecessary permissions. Your data stays on your device.
- Dark Mode & Light Mode — stunning in either.
- Lightweight — optimized for minimal battery impact.
- 100% ad-free — forever.
Note: availability of some data depends on your device model and OS version.
CPU-Kit, in plain answers.
What is CPU-Kit?
CPU-Kit is a free device-info and system-monitor app for iPhone and Android. It surfaces your chipset, GPU, cores, RAM, storage, sensors, battery health, network details and 17+ on-device hardware tests in one clean, native interface.
Is CPU-Kit really free? Are there ads?
Yes. CPU-Kit is 100% free and 100% ad-free. There is no premium tier, no paywall and no subscription. An optional in-app tip jar exists for supporters; everything else is unlocked by default.
Which iPhone and Android devices does CPU-Kit support?
CPU-Kit supports iOS 15 and later on every modern iPhone and iPad, and Android 8 and later on phones, tablets and foldables. The newest devices — iPhone 17 series, iPad Air M4, Pixel 9, Galaxy S25 — are fully recognised.
Can CPU-Kit show real-time CPU and RAM usage?
Yes. CPU-Kit graphs live CPU load per core, real-time RAM allocation, thermal status and battery telemetry as you use the device. Useful for spotting thermal throttling while gaming, leaking apps, or charging issues.
What hardware tests does CPU-Kit include?
17+ tests covering: display dead pixels and multi-touch, ear and loud speakers, microphone, accelerometer, gyroscope, proximity sensor, magnetometer, Wi-Fi, GPS, NFC, Bluetooth, volume buttons, fingerprint reader, vibration motor and camera resolution. Useful when buying a used phone or filing a warranty claim.
Does CPU-Kit collect or share my data?
No. CPU-Kit reads device information on your device. No data leaves your phone, no analytics SDKs are bundled, and no account is required. The privacy nutrition label is empty on purpose.
Can CPU-Kit export a device report?
Yes. You can export a full PDF or CSV report with every hardware detail — useful for selling a phone, opening support tickets, or auditing a fleet of devices.
