Castro - Device monitoring & insights
Unleash your device’s potential with real-time performance stats, detailed usage metrics, & intuitive tools in one app.

- 4.4 Version
- 4.7 Score
- 436K+ Downloads
- Free License
- 3+ Content Rating
Castro is a comprehensive resource that provides information about your device, along with tools for monitoring its performance. This feature enables real-time assessment of your device's functionality!
It is a device monitoring and customization app. It provides detailed hardware and software information about the user's device, offering insights into various components such as CPU, memory, and battery status. The app includes a dashboard that consolidates all important information for quick access.
A large set of tools is available to test and monitor the device's state, ensuring users can maintain optimal performance. The app also features a configurable home-screen widget, allowing users to personalize their device's interface with relevant information at a glance. Additionally, the app offers deep interface customization options, enabling users to tailor the look and feel to their preferences.
Device state monitoring tools are included for comprehensive tracking of system performance, and a CPU usage monitor provides real-time data on processor activity. The app also supports exporting data reports in PDF format, making it easy to share or archive detailed information about the device's performance and health.
A Wealth of Information
Castro offers and presents a vast array of data, including:
• In-depth statistics on CPU and GPU performance;
• Battery status tracking;
• Monitoring various types of memory consumption;
• Data usage analysis over both Wi-Fi and mobile networks;
• Real-time sensor data showcased through helpful graphs;
• Comprehensive insights into the device's cameras;
• An exhaustive list of supported audio and video codecs;
• Temperature monitoring for the device;
• Plus many other functionalities, encompassing DRM and Bluetooth!
The Key Aspects of the "Dashboard"
If you prefer not to delve into extensive detailed information, you can utilize the "Dashboard" view, which consolidates essential information like CPU usage, battery level, network activity, and memory utilization on the device.
Enhanced Control with Helpful Tools
• Export your device information with the "Data export" feature;
• Analyze your display condition using the "Screen tester";
• Measure ambient noise levels with the "Noise checker".
Additional Features with "Premium"
Subscribing to "Premium" unlocks even more features such as:
• Advanced customization options for the interface, including a variety of colors and themes;
• A tool for monitoring battery characteristics;
• A customizable home-screen widget displaying battery and memory information, among others;
• A network traffic speed monitor for assessing your connection speed;
• A CPU usage monitor keeping track of frequency usage;
• The option to export information in PDF format.
FAQs and Localization
For frequently asked questions (FAQ), refer to the appropriate section within the app.
If you're interested in contributing to Castro's localization efforts, there are opportunities available to assist.
- Version4.4
- UpdateJul 07, 2025
- DeveloperPavlo Rekun
- CategoryTools
- Requires AndroidAndroid 5.1+
- Downloads436K+
- Package Namecom.itemstudio.castro
- Signaturecbe4f99cce196926576bf75e247d6dd5
- ReportFlag as inappropriate
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NameSizeDownload
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5.01 MB
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4.67 MB
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4.62 MB
Detailed hardware information
Clean and beautiful UI design
No ads in the free version
Provides extensive technical specs
User-friendly navigation
Frequent developer updates
Compatible with multiple devices
Includes useful monitoring features (like thermal checks)
Option to upgrade for advanced features
Incorrect or inconsistent data reporting (e.g., camera resolutions)
Issues with app crashing on certain functions
Some features locked behind a premium paywall
Reports wrong device capabilities (e.g., fast charging)
Limited external storage options available
Some users face compatibility issues with their devices
Missing widgets for quick access to system info
Inaccurate thermal readings
Complex information presentation for casual users