For apps like WhatsApp, go to the app's internal Settings > Notifications > Notification tone to set a specific bubble sound for that app. How to Set Custom Tones (iOS/iPhone)
Provides AI-generated and high-quality sound effects like "Subtle meeting text tone" and "Notification bubble pop". How to Download and Set Up Bubble Tones (Android)
A "message bubble tone" is a short, distinct audio notification typically inspired by water sounds, cartoon pop effects, or light electronic blips. These sounds are designed to be audible but non-intrusive, ideal for incoming text messages, WhatsApp alerts, or messenger apps. Common examples include: A sharp click-like sound. Water Bubble: A softer, liquid "blop". Message Chime: A higher-pitched, pleasant ring. Top Sources for Message Bubble Tone Downloads