Social apps

How to Build a Social Media App: The Decisions Behind Profiles, Chat, Communities and Events

A social app is defined less by its feed than by the kind of relationship it builds: friendships, professional contacts or a community around a shared interest. This guide covers the decisions that shape the build, the features in each layer of the product, and what the first release can leave for later.

Thomas Siudut
Thomas SiudutCo-Founder and CEO, Apps Value
September 26, 20269 min read
Social appsCommunityProduct scope
Short answer

To build a social media app, start by deciding what relationship it creates, then scope six layers: profiles, matching or discovery, one to one chat, community spaces, real life events and safety tools with an admin panel. Choose a cross platform stack such as React Native or Flutter with a real time backend, write a screen by screen specification before design, and launch with the smallest set of features that makes the core connection work. Feeds, advanced recommendations and gamification can usually wait.

Key takeaways for founders planning a social app

  • The relationship comes first. Friendship, networking and interest communities need different profiles, matching and tone.
  • Chat carries the load. Real time messaging is where most connections happen and where most backend work sits.
  • Offline moments keep people. Events and local groups give members a reason to come back beyond scrolling.
  • Safety is version one. Reporting, blocking and moderation tools protect the first community, which is the one that decides growth.

Decide what relationship the app builds

Social apps look similar in a list of features: profiles, chat, groups. They behave very differently depending on the relationship they are designed for, and that choice drives the rest of the scope.

Friendship

New people nearby

Matching on interests and distance, a warm tone, and a clear path from chat to meeting in person. Products such as Bumble BFF popularised this category.

Networking

Useful contacts

Profiles built around work, skills or goals, introductions with context, and events where people meet with a purpose.

Community

A shared interest or place

Channels and threads first, one to one contact second, with local events and often a marketplace between members.

Many good products combine two of them. What matters is that the team knows which one leads, because it decides the onboarding questions, the discovery screen and even the visual style. A friendship app that looks like a dating app will attract the wrong expectations from its first users.

Silhouettes of people by a window, the community a social media app is built for

The six layers of a social app

Once the relationship is clear, the product splits into layers. Each one can be simple or deep, and the scope of the first release is the sum of those choices.

Profiles

A reason to reach out

Photos, a short bio and interests give people something to start a conversation with. The fields you ask for shape who joins and how they talk to each other, so they deserve a product decision, not a template.

Matching

Who sees whom

Interest based matching, location, filters or open browsing. Friendship and community products usually match on shared interests and distance rather than on looks alone, and the discovery screen should make that visible.

Conversations

One to one chat

Real time messaging with read states, media and, often, voice messages. Chat is where most connections either become real or fade, and it carries most of the backend load.

Community

Groups and channels

Topic spaces where members post, reply in threads and see pinned rules and announcements. They keep the app useful for people who are not looking for a new one to one connection that week.

Real life

Events

Small meetups, classes or walks that move online contact into real contact. Events need creation and management tools, sign up, reminders and, when they are paid, a payment flow that suits the local market.

Trust

Safety and moderation

Reporting, blocking, clear community rules and an admin panel for the team. A social app without these tools puts its first community at risk, so they belong in version one even in a simple form.

A social app succeeds on its first few hundred members. Everything in version one should help them connect, meet and feel safe.

A social networking app we built from scratch: Souly

Souly is a social networking app for women in Zurich, built as a place to meet through shared interests and clearly positioned as not a dating app. We built it end to end: a 36 screen specification with user stories and acceptance criteria, two weeks of design and about two months of development in React Native with Supabase.

Social networking app discovery screen with shared interests in Souly
Community channels screen in the Souly social networking app

The app brings together the layers described above: interest based discovery, direct chat, community channels, local events and a marketplace where members buy, swap or give things away. It works in English and German and pays for events with a Swiss QR bill, because it was built for the Swiss market from the start. The Souly case study shows the product screen by screen.

Discovery and chat between two kinds of users: Loopy Jobs

Not every social product connects people of the same kind. Loopy Jobs, a Flutter app with a Supabase backend, connects clients with specialists: people search for specialists on a map or in a list, open a profile, message them and book.

It was the first app we built where two types of users communicate with each other, and the first where we built the booking system on the backend ourselves.

Loopy Jobs app with map search and specialist list, a two sided app with discovery and chat

The project ran in two week iterations, so the client could check the product against the original vision at every step. Features such as automated payments, company profiles and subscriptions were consciously moved to a second version, which kept the first release focused on discovery, profiles and conversation. The Loopy Jobs case study covers the build.

Choosing the technology

For most new social apps, a cross platform framework is the practical choice: one codebase for iOS and Android, one team, one release process. Souly uses React Native, while Loopy Jobs and many of our other apps use Flutter. Both handle real time chat, media and push notifications well, and the choice usually follows the team that will maintain the app.

The backend matters more than the framework. It has to deliver messages in real time, store media, send notifications and give the team an admin panel. Supabase, built on PostgreSQL, covers much of that for a first release, and a custom backend can follow when the product outgrows it.

What the first release can leave out

  • An algorithmic feed. With a small community there is not enough content to rank. Channels, events and discovery give members enough to do.
  • Advanced recommendations. Simple interest and distance matching works at launch; smarter models need data the app does not have yet.
  • Video calls and live streams. Useful later, expensive now, and rarely why people join a local social app.
  • Gamification. Badges and streaks help retention once there is a habit to reinforce.

What should not wait: onboarding, profiles, discovery, chat, safety tools and the admin panel. If the budget is fixed, our page on MVP development for startups explains how we scope a first release, and the guide on mobile app development timelines shows where the weeks go.

About the source

Who is answering this?

CompanyApps Value, mobile app development agency
LocationKraków, Poland
Markets servedUnited States, Western Europe, Nordics
Experience6 years, 19+ projects delivered, 13+ positive client reviews
TechnologiesFlutter, React Native, NestJS, Supabase, PostgreSQL, AWS, Google Cloud
Engagement modelsFixed price contracts and dedicated development teams

FAQ

How do you build a social media app?

Decide what relationship the app builds, then scope six layers: profiles, matching or discovery, one to one chat, community spaces, real life events and safety tools with an admin panel. Write a screen by screen specification before design and launch with the smallest set of features that makes the core connection work.

How long does it take to build a social media app?

Souly, a social networking app we built from scratch, took two weeks of design and about two months of development after a 36 screen specification. Timelines grow with the number of layers and how deep each one goes.

How much does it cost to build a social media app?

It depends on the number of layers in the first release, how deep chat and community features go, and the backend. Our pricing page explains how we scope and price fixed price projects.

Should a social app be built in React Native or Flutter?

Both work well for social apps, since one codebase covers iOS and Android and both handle real time chat and notifications. Souly is built in React Native, while Loopy Jobs and many of our other apps use Flutter.

What is the difference between a friendship app and a dating app?

A friendship or networking app matches on shared interests and purpose rather than attraction, and usually adds groups, events and community spaces. That changes the onboarding, the discovery screen and the tone of the design.

Do I need moderation tools at launch?

Yes. Reporting, blocking, community rules and an admin panel protect the first members, who decide whether the community grows.

Thomas Siudut, Co-Founder and CEO of Apps Value
Written by Thomas Siudut Co-Founder and CEO, Apps Value

Thomas sets the company's long term strategy and direction, identifies market opportunities, and owns business development and client acquisition. He builds strategic partnerships that last beyond a single project. He works with clients from the first strategy conversation, so their business goals, not just their feature list, drive every decision.

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