ChartDroid Core is an Android app developed by Karl Ostmo (952 Bellomo Ave Sunnyvale, CA 94086). Others apps created by Karl Ostmo are: HypnoTwister.

ChartDroid Core first became available on 22 Nov 2010. It is estimated that ChartDroid Core has been downloaded between 10000 and 50000 times from the Play Store.

ChartDroid Core 2.0.0 requires the following permissions:

Allows an application to read from external storage.

Allows read only access to phone state, including the phone number of the device, current cellular network information, the status of any ongoing calls, and a list of any PhoneAccounts registered on the device.

Allows an application to write to external storage.