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Case Study

Replacify

Replace bad habits with structured paths to greatness

An addiction-replacement therapy app that helps users break bad habits by replacing them with structured, positive alternatives. Features include an SOS panic button, curated replacement paths, focus timer, and comprehensive progress analytics.

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React NativeExpoTypeScriptSupabaseRevenueCat
01

SOS Panic Button

One-tap crisis intervention when cravings strike. Guided flow with matched activities and built-in mindful timer.

SOS Panic Button
02

Structured Replacement Paths

15+ curated paths across fitness, wellness, cooking, learning, and creative categories with progressive tier systems.

Structured Replacement Paths
03

Focus Timer

Pomodoro-style timer with presets, linked to active paths. Auto-marks steps complete and tracks focus streaks.

Focus Timer
04

Heatmap Calendar & Analytics

Color-coded activity calendar, per-addiction breakdown, urge trend charts, and shareable weekly reports.

Heatmap Calendar & Analytics
05

Apple Health & Health Connect

Sync sleep, steps, and workouts. Automatic credit toward paths and health-based smart nudges.

Apple Health & Health Connect
06

Gamification System

60+ badges, coins, reward shop, streaks, and time-limited challenges to maintain motivation.

Gamification System

Technology Stack

Frontend

React NativeExpo SDK 55TypeScriptReact QueryZustandReanimated

Backend

SupabasePostgreSQLRow Level SecurityEdge Functions

Platform

Apple HealthKitHealth ConnectPush NotificationsWidgets

Monetization

RevenueCatIn-App PurchasesPaywall Management

Features

Offline SupportLottie AnimationsMarkdown Rendering

Distribution

App StoreGoogle PlayEAS BuildMulti-language

App Screenshots

Replacify SOS feature
Replacement paths
Analytics dashboard
Heatmap calendar
Path detail
Weekly progress report
App home screen
App feature screen

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