C9Clockin is a companion mobile app for the C'Office online clock-in system. User uses this app to scan a dynamic timed QR code generated by the system or by the QR code generating app. The scanned information together with user's timestamp and location will then be sent to the clock-in system for verification and recording.

With the app, user can:
- reviews latest clock-in/clock-out records;
- perform clock-in and clock-out;
- receive messages sent from company's administrator.

User with the role of administrator can also send messages to all users of same company.