I want to change the notification sound

The notification sound cannot be changed inside the app. Please change it for each notification type from your device's "Settings" app.

1. Open your device's "Settings" app → "Apps" → "Smart Planner" → "Notifications" (you can also open it from "Settings" → "Notifications" by selecting Smart Planner)
2. Select the notification type ("Event reminders", "Daily summary", "Todo reminders", or "Diary reminders")
3. Change the notification sound, vibration, and other options (the item names differ depending on your device)