Anticode Open builder

Social media app builder: a sample-data prototype, and what a real network needs

A new social app is mostly an idea about people: who they are, what they share, and why they'd come back. Anticode can turn that idea into a convincing prototype with sample profiles, posts and interactions that runs on one device, which is enough to pitch it, test the feel with potential members and settle the features. A real network needs accounts, a shared database and moderation, which have to be built elsewhere.

Updated · By the Anticode team

Start with the community, not the feed

General social networks already exist and are hard to compete with. Niche ones work when they give a specific group something the big ones don't: a running club sharing routes, parents of children with a rare condition, restorers of vintage motorbikes. Before features, answer three questions:

  1. What do members post that they wouldn't post elsewhere? That's your core content type.
  2. What's the first useful thing a new member sees? An empty feed kills new networks.
  3. What brings them back next week? A weekly prompt, an event, a question only this group can answer.

Features to show in the prototype

Prototype features and what they test
FeatureWhat it tests
Profiles with community-specific fieldsWhether members would fill them in (a bike's model and year, a runner's usual distance)
A post type built for the nicheWhether the structure helps: a route with distance and terrain, a repair with parts used
Feed with filtersWhether people want everything, local only, or a topic
Reactions and commentsThe tone of interaction you want to encourage
Groups or channelsWhether the community splits naturally
OnboardingWhat a new member sees in their first minute

Write 40 or 50 realistic sample posts from a dozen invented members, labelled "Demo data". Their quality decides whether testers can imagine belonging. Avoid real people's names and photos.

Describing it

Use the community's language: "A social app prototype for people restoring vintage motorbikes. Profiles with the bikes they own (make, model, year) and skills. Post types: progress update with photos drawn as simple illustrations, question for help, parts wanted. Feed filterable by make and by post type. Comments and a 'useful' reaction instead of likes. A member directory. Twelve sample members and 45 sample posts. Onboarding that asks for your bike first. Works on a phone."

Anticode writes it as one app. On your device, you can post, comment and react, and it all stays saved in that browser, which is enough to walk an investor or a focus group through a realistic session. Then refine with change requests: different reactions, a simpler post form, an events tab.

What a real social app needs

The prototype runs in a sandbox with no network, so everything social about it is simulated. The real version needs:

Accounts and identity
Sign-up, sign-in, password resets, profiles stored on a server, and blocking.
A shared database and feed
Posts that everyone sees, ordered and paginated, with images stored and resized.
Notifications
Email or push when someone replies, so people come back.
Moderation
Reporting, a review queue, removal, bans and written community rules. This is ongoing human work, not just software.
Privacy and safety
Data-protection duties for members' personal data, age rules, and a plan for harmful content. Requirements vary by country and by who the members are.

Two routes from here. Community platforms that host groups for you handle accounts, feeds and moderation tools out of the box, and the prototype tells you which one fits. Or a developer builds your own from the Next.js export of the app, which includes Postgres through Prisma, email sign-in, roles and an audit log; feeds, media storage, notifications and moderation are then substantial work on top. The AI prototype to production workflow covers that hand-over.

Limits of the prototype

  • No other people. Testers each see the sample members and their own posts, never each other's.
  • No real sign-up. A sign-up screen is a mock.
  • No camera or photo sharing between people. Images are drawn in code or your own uploaded examples.
  • No messages delivered. Direct messages can be shown as scripted examples only; see the chat app builder.

If what you need today is a public home for an existing group, a community events calendar or a club website with a sign-up form works now.

Questions people ask

Can a social media app builder like this launch a real network?

Not on its own. It builds the prototype; launching needs accounts, a shared database and moderation from a platform or a developer.

Can I collect interest from future members?

Yes. A waitlist or newsletter form sends sign-ups to you with an email address, and that works on a published page today.

Can testers try it on their own phones?

Yes. Each gets their own copy with the same sample content, and anything they post stays on their phone.