Everyone
Browse and be discovered by people nearby while Nearby Mode is on.
Social discovery mobile app case study
WhichOneDiscover,Connect, Chat& Share Moments
A modern social app experience with nearby discovery, real-time chat, stories, media sharing, and smart privacy controls.
Approx. distance
2.4 km away
Nearby Discovery
A map experience built around privacy, not pressure.
WhichOne lets people discover nearby profiles, map stories, and shared social intent while keeping exact live location private and visibility under the user's control.
Friends only
Limit discovery to accepted connections while keeping the map useful.
Hidden
Turn off the map, remove location visibility, and pause nearby activity.
Hey, coffee nearby?
Sounds good. Sending a place.
Shared 4 photos
Real-Time Chat
Fast conversations with rich media in the flow.
Requests turn into private chat rooms with messages, photos, videos, voice notes, delivery state, notifications, and encrypted message payloads designed for everyday social momentum.
Messaging
Realtime one-to-one chat with replies, reactions, unread counts, and delivery awareness.
Calls
Audio and video calling use WebRTC signaling with presence and call state built into the chat layer.
Stories & Moments
Temporary moments that make discovery feel alive.
Stories support photo and video sharing, viewers, replies, and map-based public moments. Free users get a focused daily story flow, while premium unlocks room for more expression.
Stories
Share photos or videos with progress-driven viewing and reply paths.
Map stories
Place public moments into the nearby experience with approximate location context.
Premium
Premium users can post beyond the free daily story limit.
Aarav
Map story
Moments that start conversations.
Reply to story
Camera
NaturalCinematicGoldenCyberpunk
Creative Media
Camera, gallery, and filters for expressive sharing.
WhichOne brings together camera capture, custom gallery selection, multiple media sharing, and a growing filter system inspired by modern social tools.
NaturalCinematicGoldenCyberpunkFace LightNeon
Premium & Monetization
A clear Plus tier for deeper social discovery.
The monetization layer is built around meaningful upgrades: unlimited stories, premium filters, more profile photos, premium badge treatment, and richer map styles.
Free
Start social
Core discovery, chat, stories, and standard media tools.
Plus
Unlock more
- Unlimited stories
- Premium creative filters
- Up to 9 profile photos
- Premium badge
- Premium map styles
- Better discovery controls
WhichOne Plus
Unlock the social layer.
Unlimited stories
Premium creative filters
Up to 9 profile photos
Premium badge
Stack
Realtime, scalable, secure.
Flutter
Firebase Auth
Firestore
Realtime DB
Storage
Cloud Functions
Security & Scale
Firebase-backed architecture with privacy-first controls.
WhichOne combines Flutter with Firebase services, Mapbox/OpenStreetMap tiles, RevenueCat subscriptions, FCM notifications, WebRTC calls, and encrypted chat media workflows.
Flutter
Firebase Auth
Firestore
Realtime DB
Storage
Cloud Functions
FCM
Mapbox
RevenueCat
WebRTC
E2EE
App Check
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