Custom Soundboard Maker – Flutter Mobile App

Project Overview

Custom Soundboard Maker is a cross-platform mobile app I designed and built on my own as a side project with Flutter. It lets anyone create personal soundboards for memes, pranks, live streams and group chats — just tap, record, and remix your own sounds.

What started as a weekend experiment has grown into a product with 300+ pro users, 600 daily users and 11K monthly active users.

Project Objective

The goal was to build a soundboard app that feels instant and is genuinely simple to use, to:

• Deliver zero-lag playback so every tap feels immediate.
• Let users create their own sounds instead of being limited to a fixed library.
• Work fully offline, with no account or sign-up required.
• Offer a premium tier that rewards power users without blocking the core experience.

Key Features

• Record, trim & import audio — Capture sounds with the mic or bring in existing files and trim them in-app.
• Customizable buttons — Colors, images and emoji, organized into folders and boards.
• Playback modes — Loop, spam (rapid-fire) and random/shuffle for every kind of use.
• Trending sounds library — Discover and download popular sounds in a tap.
• Offline-first — Everything works without a connection and without an account.
• Pro upgrade — In-app purchase that unlocks extra features for power users.

Benefits

• Fast & responsive — Low-latency audio that beats most competing soundboard apps.
• Truly personal — Users build boards around their own sounds, jokes and communities.
• Proven traction — Thousands of monthly users and a healthy base of paying customers, built by a single developer.
• Cross-platform foundation — A single Flutter codebase that is ready to scale.

A showcase of building, shipping and growing a polished mobile product end to end.