Hire Krootl — an application development agency

Radiate

Meditation App

CLIENT

Radiate, USA

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Industry

Wellness

Mindfulness

Meditation

technologies

Flutter

Firebase

Google Analytics

google Cloud

Adapty

Revenue Cat

Daily Audio Wellness App

Radiate is a Flutter meditation app designed to help users regulate their nervous system, shift emotional states, and build consistent self-development habits through guided audio experiences.

Created by wellness influencer Amber Lyon as part of the Modern Mind ecosystem, the product translates a personal methodology into a structured, scalable mobile experience focused on daily use and long-term engagement.

Challenge

The goal was not just to develop a meditation app, but to turn a content-driven methodology into a product that users return to daily.

Several challenges shaped the product:
• Structuring large volumes of audio content into a system that remains simple to navigate
• Ensuring uninterrupted playback across sessions and app states
• Designing for habit formation, not just one-time usage
• Creating a scalable backend without introducing unnecessary infrastructure complexity
• Allowing non-technical content management without relying on a separate CMS

The product needed to balance content depth, usability, and long-term retention.

Solution

Krootl developed Radiate as a cross-platform wellness product combining a mobile meditation experience with a custom web-based environment for content and operational management.

The application gives users access to guided meditation sessions, declarations, challenges, and personalized audio experiences designed to encourage daily engagement and long-term habit formation.

Alongside the client-facing application, we created internal tools allowing the client team to independently organize sessions, manage reflections and challenges, update product content, and continuously evolve the experience without ongoing engineering involvement.

App Features

Immersive Audio Player

Custom-built meditation player with animated shader-based backgrounds, real-time frequency visualization, and uninterrupted background playback using just_audio and audio_session.

Guided Audio Library

Structured content system with categorized meditation sessions, scalable Firebase-powered delivery, and lightweight offline-ready access.

Personalized Wellness Experience

Adaptive recommendations and engagement flows based on listening behavior, session activity, and retention patterns, including invite-based sharing designed to improve engagement.

Declarations & Quick Resets

Short-form audio experiences designed for fast emotional state shifts and low-friction daily interaction.

Premium Flutter Interface

Liquid glass navigation, progressive blur effects, and custom transitions create a polished, immersive user experience.

Premium Subscription Experience

Premium subscription system with paywall flows, gated meditation practices, and controlled access to exclusive content through Adapty.

Apple Health & Ecosystem Integrations

Mindful minutes tracking via Apple Health alongside AirPlay support and native system media controls.

Unified Content Management System

Flutter Web admin panel connected to Firebase for managing practices, challenges, themes, reflections, and operational product settings.

Meditation app with personalized content.

Meditation app challenges and habit formation.

Meditation app apple health integration.

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Solution & Implementation

Mobile app

For end users, both iOS and Android

Backend and cloud infrastructure

Connects User Mobile App and Admin Panel, manages data storage, calculates user scores and delivers notifications

Web CMS

For Admin to manage App content and media files

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Technical Details

Radiate was developed as a unified Flutter ecosystem combining a cross-platform mobile application, Flutter Web management platform, and Firebase-powered backend infrastructure.

The architecture was designed to support scalable audio delivery, rapid feature iteration, immersive UI rendering, and long-term maintainability across the product ecosystem.The application was built using Riverpod, Freezed, get_it + injectable, Hive CE, Firebase services, and Cloud Functions, following a clean, modular architecture optimized for cross-platform development.

Development followed a SPEC-driven workflow with AI-assisted engineering through Cursor IDE, helping accelerate refactoring, implementation, and large-scale codebase navigation.

Solution

Ready to Build Your Own Mindfulness and Meditation App?

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