Tools
(5,262 ratings)

A new small update is here. It features information about my new app - Tilla on the "Other apps" screen and many new devices in the DB from Realme and Oppo.

Detailed changelog: pavelrekun.dev/castro/changelog_release/

Castro is a huge collection of information about your device and a set of tools for monitoring its status. This allows you to check the performance of your device in real-time!

Large collection of the information
Castro processes and displays a huge amount of information, namely:

• Detailed processor statistics (CPU and GPU);
• Battery monitoring;
• Consumption of all kinds of memory;
• Data usage via Wi-Fi and mobile networks;
• Real-time sensors data with useful graphs;
• Detailed information about device's cameras;
• Full list of available audio and video codecs;
• Monitoring temperatures of the device;
• And many other features, including DRM and Bluetooth!

The most important thing in the "Dashboard"
If you are not interested in too detailed information in a larger volume, you can always use the "Dashboard" window, which collects all the most important information - CPU usage, battery status, network usage, and memory load on the device.

More control with useful tools
• Share your device information using "Data export";
• Test your display state via "Screen tester";
• Check the noise around you with "Noise checker".

Even more features with "Premium"
• Deep interface customization with various colors and themes;
• Configurable home-screen widget, with information about battery, memory, and more;
• Network traffic speed monitor to track your connection speed;
• CPU usage monitor to keep abreast of frequency usage;
• PDF format for information exporting.

FAQ and localization
Looking for answers to frequently asked questions (FAQ)? Visit this page: pavelrekun.dev/castro/faq/

Want to help in Castro localization? Visit this page: crowdin.com/project/castro

See available downloads
There's a more recent version available below!
Download

This release may come in several variants. Consult our handy FAQ to see which download is right for you.

Variant
Arch
Version
DPI
4.3.2 APK
271
August 4, 2021
noarch
Android 5.1+
nodpi
All Releases
September 14, 2021
February 4, 2021
December 22, 2020
December 10, 2020
October 29, 2020
August 11, 2020
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