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Calendar Software with Client Portal (2026)

Last updated: April 2026

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Key features of Calendar Software

Based on GetApp's analysis of verified user reviews collected between July 2021 and August 2024.

Appointment Management: Users value the ability to customize availability, automate reminders, and prevent scheduling conflicts, enhancing efficiency and client communication. 95% of reviewers rated this feature as important or highly important.
Calendar Management: Reviewers appreciate the ease of managing multiple calendars, color-coding events, and sharing access to improve organization and collaboration. 93% of reviewers rated this feature as important or highly important.
Scheduling: Users find scheduling tools helpful for avoiding conflicts, coordinating meetings, and setting reminders, making time management smoother. 92% of reviewers rated this feature as important or highly important.
Calendar/Reminder System: Reviewers highlight the flexibility of setting multiple reminders for events, improving task management and ensuring important deadlines are met. 92% of reviewers rated this feature as important or highly important.
Calendar Sync: Users rely on seamless calendar synchronization across devices and platforms to keep schedules up-to-date and avoid double bookings. 91% of reviewers rated this feature as important or highly important.
Real-Time Notifications: Reviewers value real-time notifications for keeping informed about event changes and receiving timely reminders, which enhances productivity. 87% of reviewers rated this feature as important or highly important.