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Download Castro - system info 4.2 APK
Target: Android 11 (API 30)
What's new in Castro - system info 4.2
I guess I had to lie a little last time. This is now definitely the last big update for Castro - "4.2 Psycho". It brings you back a home-screen widget (completely reworked) and many improvements to the "Network traffic monitor".
Detailed changelog: pavelrekun.dev/castro/changelog_release/
About Castro - system info 4.2
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;
• And even more coming soon!
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: rekundevelopment.oneskyapp.com/collaboration/project?id=55750
Castro - system info 4.2 variants
This release may come in several variants. Consult our handy FAQ to see which download is right for you.
Version:4.4(288) for Android 5.1+ (Lollipop MR1, API 22)
Uploaded:October 25, 2021 at 8:58AM UTC
File size:5.01 MB
Downloads:177
Version:4.4(286) for Android 5.1+ (Lollipop MR1, API 22)
Uploaded:October 4, 2021 at 7:22AM UTC
File size:5.00 MB
Downloads:135
Version:4.3.2(271) for Android 5.1+ (Lollipop MR1, API 22)
Uploaded:August 4, 2021 at 9:26PM UTC
File size:4.74 MB
Downloads:101
Version:4.3.1(268) for Android 5.1+ (Lollipop MR1, API 22)
Uploaded:May 9, 2021 at 6:39PM UTC
File size:4.67 MB
Downloads:79
Version:4.3.1(266) for Android 5.1+ (Lollipop MR1, API 22)
Uploaded:April 14, 2021 at 1:12PM UTC
File size:4.65 MB
Downloads:94
Version:4.3(265) for Android 5.1+ (Lollipop MR1, API 22)
Uploaded:April 7, 2021 at 10:33AM UTC
File size:4.81 MB
Downloads:54
Version:4.2.2(248) for Android 5.1+ (Lollipop MR1, API 22)
Uploaded:March 1, 2021 at 10:05PM UTC
File size:4.76 MB
Downloads:75
Version:4.2.1(246) for Android 5.1+ (Lollipop MR1, API 22)
Uploaded:February 4, 2021 at 1:02AM UTC
File size:4.44 MB
Downloads:43
Version:4.2(242) for Android 5.1+ (Lollipop MR1, API 22)
Uploaded:December 22, 2020 at 12:06PM UTC
File size:4.57 MB
Downloads:63
Version:4.1(224) for Android 5.1+ (Lollipop MR1, API 22)
Uploaded:December 10, 2020 at 3:57PM UTC
File size:4.51 MB
Downloads:29
Version:4.9.1
Uploaded:June 20, 2026 at 3:41PM UTC
File size:14.38 MB
Downloads:75
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
