We Step Together - Step-to-Donation Mobile App

The Problem Charitable giving has a participation problem. People want to contribute to causes they care about but the friction of donating, finding the right campaign, trusting where the money goes, feeling connected to the outcome, stops most people before they start. We Step Together had a different idea: remove the friction entirely by turning something people already do every day, walking into automatic charitable impact. No forms, no payment decisions, no wondering where the money went. Just walk.

What We Built A cross-platform mobile application that connects your daily steps directly to charitable campaigns automatically converting physical movement into real donations with full transparency on where every contribution goes.

The step-to-donation engine sits at the core of everything. The app integrates natively with Google Fit on Android and Apple HealthKit on iOS, pulling accurate step data in real time and converting it into donation amounts against whichever campaign the user has joined. The calculation is transparent users see exactly how their steps translate into contributions, building the trust that keeps them engaged long-term. Manual step logging handles edge cases where health API data isn't available, so no movement goes untracked.

Campaign browsing was designed to make the giving decision feel meaningful rather than transactional. Each campaign shows detailed funding goals, real-time contributor stats, and visual progress indicators so users can see exactly how close a school playground or tree-planting initiative is to its target and how much their own steps are contributing to closing that gap. Joining a campaign takes a single tap.

The impact dashboard gives every user a personal view of their contribution history steps walked, donations generated, campaigns supported, and milestones reached. Firebase push notifications celebrate progress at key moments, keeping motivation high between sessions. The design deliberately uses a calming green palette with cheerful illustrations because the emotional experience of charitable giving matters as much as the mechanics.

Stripe handles payment processing for any direct monetary contributions layered on top of step-based donations, with secure transaction management throughout.

Technical Architecture

Mobile: React Native for full cross-platform compatibility single codebase, native performance on iOS and Android

Health Integration: Google Fit API + Apple HealthKit for accurate, real-time step tracking across devices

Backend: Node.js managing user data, campaign logic, step calculations, and donation processing

Database: MongoDB storing user profiles, campaign data, step histories, and donation records

Payments: Stripe for secure payment processing

Notifications: Firebase for real-time push notifications campaign updates, milestone celebrations, progress alerts

Stack: React Native · Node.js · MongoDB · Stripe · Firebase · Google Fit API · Apple HealthKit

First mobile app to automatically convert daily steps into charitable donations

Successfully launched on iOS, Android, and web

High user engagement with strong community feedback post-launch

Users report measurably increased motivation for daily walking driven by campaign connection

Transparent donation tracking system built long-term user trust and repeat participation

Delivered end-to-end in 8 months with post launch maintenance

What This Proves The hardest thing about building a behaviour-change product isn't the technology it's designing the feedback loops that keep people coming back.

We Step Together needed health data accuracy, real-time campaign synchronisation, transparent financial tracking, and an emotional design language that made charity feel rewarding rather than obligatory. Getting all four right in one product, across two mobile platforms, in 8 months is what this project demonstrates.