Mobile ApplicationYear 2025 • Client: PulseFit Technologies

A Habit Tracking App

Cross-Platform Real-Time Habit & Productivity Sync Engine

We built a cross-platform habit tracker with a fast, clean UI and real-time sync across mobile, web, desktop, and smartwatches.

< 50msSync LatencyNear-instantaneous cross-device state propagation

4.9/5App Store RatingOver 45,000 verified reviews

+54%Day-30 RetentionIncrease in daily active habitual engagement

CASE ANALYSIS

The Problem and Our Engineering Approach.

Technologies Deployed

React NativeWebDesktopSmartwatchTypeScriptNode.jsRedis

The Commercial & Technical Challenge

Users faced sync lags across disparate devices and bloated UI flows that caused high Day-7 churn on app stores.

The Raxon Solutions

Raxon Solutions engineered a reactive 60fps React Native client powered by an offline-first SQLite cache and bidirectional WebSockets syncing across iOS, Android, macOS, and watchOS.

SYSTEM HIGHLIGHTS

Core Architectural Inventions in this Deployment

01Offline-first local SQLite cache with conflict-free replicated data types (CRDTs)

02WatchOS background complication updates powered by Bluetooth Low Energy sync

03Interactive streak animations executed strictly on the UI thread at 60fps

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