Based on your query, I would recommend Wonde as it is specifically designed to assist teachers in managing school data. It integrates with school Management Information Systems (MIS) to ensure data is securely maintained and accessible. This feature would be particularly useful for a specialist who needs to collect data for a whole school.

Key features of Wonde that could be beneficial for you include:

• Data Management: Wonde integrates with school Management Information Systems (MIS), ensuring secure and accessible data management. This feature would allow you to collect and manage data for the entire school efficiently.
• Quick App Login: This feature would save you time by allowing you to log in to various apps quickly, reducing the hassle of remembering multiple login details.
• Classroom Creation and App Sharing: With Wonde, you can create classrooms and share specific apps with a group of students. This could be useful if you need to distribute certain data collection tools or resources to different classrooms.
• Student Data Management: This feature allows you to manage student data, including viewing and downloading their login credentials. This could be particularly useful if you need to track individual student data across the school.

Please note that Wonde's pricing for its School Data Management service is not publicly listed. To obtain pricing information, you would need to contact Wonde directly.