This needs analysis study focused on acquiring feedback from trainee counselors for developing the Mobile Counseling Supervision System (MoCoss).This system was developed based on the Client Server framework. Based on this framework, MoCoSS would be developed in three phases; the Client phase, the Server phase and the integration phase. The questionnaire regarding the needs analysis was administered using Google form to acquire feebdack about the need for mobile Counseling Supervision while undergoing the counselling internship. The needs analysis study was conducted on 57 respondents who comprised the unedrgraduates and the Masters degree students who were having their counselling internship in schools and other organisations. The findings showed that 67.3 percent of the respondents agreed that the counselling internship should be conducted on-line to support the trainees‘ counselling tasks. The majority of the respondents also showed a positive attitude towards the usage of a mobile counselling supervision system in fulfilling the tasks of counselling internship. The needs analysis provided a basic framework for the development of a mobile counselling system for supervisors and the trainee counselors to support supervision in a conventional manner as well as to reinforce the management of filing and records system continuously during the counselling internship. As such, the development of a mobile Counselling Internship Supervision system could assist the academic supervisors, the supervising counsellors and trainee counsellors in becoming more systematic while fulfilling the maximum 5 supervisions as stated by the Malaysian Counselling Board.