EAEleyeen Ahmed

Case study

Siply

AI hydration & food-aware water tracking

Overview

Siply is an AI-powered hydration companion that tracks water and food-based hydration, learns habits, and sends predictive reminders—without pressure-heavy gamification.

Business problem

Most water apps ignore that food contributes ~20% of daily hydration and fail to adapt reminders to real routines.

Solution

A focused iOS hydration product combining one-tap logging, AI coaching, food hydration tracking, weekly trends, and Apple Health integration.

Target users

  • People building healthier hydration habits
  • Users who want gentle, intelligent reminders
  • Apple Health–centric wellness users

Key features

  • One-tap water logging
  • Customizable drink types
  • AI hydration coach & predictive reminders
  • Food hydration tracking
  • Weekly trends and challenges
  • Apple Health sync
  • Siply Pro subscriptions

Architecture

React Native iOS app with modular tracking, insights, reminders, and paywall feature areas.

State management

Local-first daily logs with synced preferences and subscription entitlement state.

Backend

Cloud-backed user preferences and coaching insights where required by product flows.

Integrations

  • Apple Health
  • In-app purchases
  • Local / push reminders

Performance optimizations

  • Fast logging interactions
  • Lightweight dashboard charts
  • Polished subscription paywall performance

Offline support

Core intake logging remains usable when briefly offline, then syncs.

Push notifications

Predictive hydration reminders tuned to user patterns.

Authentication

Account-aware sync for premium and Health-connected users.

Payments

Siply Pro monthly/yearly plans via App Store IAP.

Analytics

Habit consistency, reminder engagement, and conversion funnels.

Challenges & solutions

Balancing AI coaching value with a calm, non-spammy reminder UX

Adaptive reminder timing and restrained notification copy

Representing food hydration without overwhelming logging friction

Simple food hydration entry paths alongside one-tap water logging

Business outcomes

  • Live on the App Store with strong early ratings (4.7)
  • Differentiated via food hydration + AI coaching positioning

My role

  • Built core tracking and dashboard experiences
  • Implemented reminder and subscription-related mobile flows
  • Refined dashboard UX for clarity and responsiveness

Lessons learned

  • Wellness products win on frictionless logging and trustworthy guidance
  • Paywalls must feel like an upgrade to clarity, not a blockade

Future improvements

  • Richer coaching explanations
  • Deeper HealthKit insights
  • Android parity if product expands