New features:

• 5-star rating of contacts
• sharing CR notes via other apps (Gmail, IM, etc.)
• deleting notes one by one
• 8 new themes

New features:

• Implementing a new look and feel and user experience
• Performance improvements
• Integration of biometric security
• Implementation of quick call functionality
• SIM and data roaming configuration options
• Details page with "New event" and "New note" buttons
• Add "New CR note" to any contact (long press on the contact)
• Block and unblock phone numbers
• Voice-based search
• Material3 design

New features:

• Day/night theme implementation
• For contacts, "CR flag" whether the contact is saved in CR or on phone
• Copying a contact saved in CR to the phone contacts list
• Modifiable CR saved contact
• Modifiable private note
• Implmeneting notification view and button

Due to the tightening of Google Play and Android permissions, the CR app had to be redesigned to become a standalone call management app.

New features:

• Right and left handed mode
• Restore previously unsaved notifications when restarting the phone
• Changing default event duration (e.g. 30 minutes)

New features:

• "Send email to partner" option when creating a new event
• Implementing "Save to phone" (or CR only) option
• Deleting old CR notes (1 week, 1 month or all) from the settings menu
• Implementing a new permission request window - for new installations
• Implementing a new look and feel
• Improved user experience for incoming calls

The first version of the Call Register app was an add-on or extension to the default phone calling app. It was not a full-fledged calling application in itself.