Afraid of Google stealing your data? best calendar alternatives for 2025: Smarter tools for privacy, design, and productivity; best options for Android, iOS, Microsoft users listed along with switching methods

Google Calendar remains a leading scheduling tool, but several modern alternatives now offer better privacy, improved design, and AI-driven productivity. These five apps, Proton Calendar, Notion Calendar, Fantastical, Any.do, and Timepage, stand out in 2025 as the best Google Calendar alternatives for professionals, students, and everyday users