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We are releasing our biggest update for Castro since the launch - Castro 2.0.
You can read all changes in our press release:

Castro is information utility for your tablets and smartphones. It shows various diagnostic information about devices.

Real-time information monitoring
Castro is ready to show you various information about your phone or tablet in real time, including:

• System information and identifiers.
• CPU status.
• Battery monitoring.
• Memory utilization.
• Monitor the data usage over Wi-Fi and mobile networks.
• And many more features!

Data reports
Share your information with friends using data reports. Castro supports standard text and PDF reports.

Improve your experience with Premium
• Customizable widget shows information about battery and processor right on your homescreen.
• Night theme with unique graphics, so that your eyes can rest at night.
• Much more coming soon!

FAQ and translation
Looking for answers to frequently asked questions (FAQ)? Visit this page:
Want to help in Castro translation? Visit this page:

See available APKs
There's a more recent version available below!

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

2.0.1 APK
July 4, 2016
Android 4.0.3+
All Releases
February 4, 2021
December 22, 2020
December 10, 2020
October 29, 2020
August 11, 2020