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Download Castro - system info 4.4 APK
Target: Android 12 (API 31)
What's new in Castro - system info 4.4
Castro 4.4 features a full rewrite of the home-screen widget, allowing to add of multiple instances with different settings and an updated refresh mechanism. Also, added full support for Android 12 (which includes new information) and a new tool called "Root analyzer" for detailed check for Root access presence.
Detailed changelog: pavelrekun.dev/castro/changelog_release/
About Castro - system info 4.4
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!
Premium
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
Castro - system info 4.4 variants
This release comes in several variants (we currently have 3). Consult our handy FAQ to see which download is right for you.
Version:4.4(281) for Android 5.1+ (Lollipop MR1, API 22)
Uploaded:September 14, 2021 at 1:43AM UTC
File size:3.33 MB
Downloads:99
Version:4.9.1
Uploaded:June 20, 2026 at 3:41PM UTC
File size:14.38 MB
Downloads:81
Version:4.9
Uploaded:April 18, 2026 at 4:26AM UTC
File size:15.31 MB
Downloads:7
Version:4.8.5
Uploaded:February 16, 2026 at 1:52PM UTC
File size:13.51 MB
Downloads:57
Version:4.8.4
Uploaded:January 29, 2026 at 8:24PM UTC
File size:12.86 MB
Downloads:51
Version:4.8.3
Uploaded:December 10, 2025 at 11:58AM UTC
File size:12.93 MB
Downloads:31
Version:4.8.2
Uploaded:November 21, 2025 at 3:46PM UTC
File size:13.61 MB
Downloads:41
Version:4.8.1
Uploaded:September 25, 2025 at 9:29AM UTC
File size:12.77 MB
Downloads:39
Version:4.8
Uploaded:August 6, 2025 at 10:52AM UTC
File size:12.75 MB
Downloads:45
Version:4.7
Uploaded:February 11, 2025 at 7:40AM UTC
File size:17.12 MB
Downloads:244
Version:4.6.2
Uploaded:June 6, 2024 at 10:36PM UTC
File size:7.67 MB
Downloads:335
