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Case Studies
LiveMeetMingle

MeetMingle

Taking a community meetup idea from prototype to a shipped cross-platform app on iOS and Android from one codebase.

  • Social & Community
  • 2024
  • 6 min read
Overview

Project overview

MeetMingle helps people organise and discover local meetups. We took the founder's prototype and shipped a real cross-platform app — profiles, real-time messaging, and event flows — to both stores from a single React Native codebase.

Client
MeetMingle
Industry
Social & Community
Category
Mobile Apps
Role
Design & engineering
Year
2024
The challenge

The business challenge

A social app has to feel native and stay in sync in real time, but a small team can't maintain two separate native codebases. The build had to be cross-platform without feeling cross-platform.

Discovery

Discovery & strategy

Where we started before writing code — framing the problem, the constraints, and the plan.

  1. Prototype to product plan

    We turned the founder's clickable prototype into a scoped v1 — the smallest set of flows that made the community loop work end to end.

  2. Real-time from the start

    Messaging and event updates needed to be live, so we designed the sync and presence model before the screens that depend on it.

  3. One codebase, native feel

    We validated that React Native could hit the interaction quality the app needed, and set platform-specific polish as an explicit line item.

Architecture

System architecture

A React Native app talking to a Node.js API over Postgres, with a real-time channel for messaging and event presence, shipped to iOS and Android from one codebase.

  • Mobile

    A single React Native codebase shipping to both app stores.

    • React Native

  • API

    A Node.js service handling profiles, events, and messaging.

    • Node.js

  • Data

    Postgres for users, events, and message history.

    • PostgreSQL
Decisions

Design decisions

The trade-offs worth explaining — what we chose, and why it was the right call for this build.

  • React Native over dual native builds

    One codebase let a small team ship and maintain both platforms, with native modules reserved for the few places that needed them.

  • Real-time as core infrastructure

    Treating live sync as a foundational service, not a feature bolted on, kept messaging and presence reliable as usage grew.

  • Scoped v1 around the community loop

    Shipping the smallest complete loop — discover, join, chat — got real feedback fast without over-building.

Stack

Technology stack

Every layer of the system, and the tools chosen to build it.

Mobile
  • React Native
Backend
  • Node.js
Data
  • PostgreSQL
Features

Key features

The parts of the build that carried the most product weight.

  • Profiles & discovery

    Find people and meetups nearby with a browsable feed.

  • Real-time messaging

    Live one-to-one and group chat around events.

  • Event flows

    Create, join, and manage meetups end to end.

  • Cross-platform parity

    The same experience on iOS and Android.

Results

The outcome

MeetMingle launched on both stores from one codebase, giving the founder a real product to grow a community on instead of a prototype.

Platforms shipped
iOS + Android
Codebases
1
Time to launch
14 weeks
Retrospective

Lessons learned

What the engagement taught us, kept honest rather than tidy.

  1. Scope the loop, not the app

    Shipping one complete loop taught us more than a half-built everything.

  2. Design sync before screens

    Getting the real-time model right early kept the UI honest.

  3. Reserve native for the last mile

    Cross-platform got us 95% of the way; native modules closed the gap.

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