Case Study
Mobile
AlertSign – Smart Calendar & Reminder Alert System
AlertSign is a sophisticated cross-platform calendar intelligence application built with Flutter, designed to deliver real-time full-screen alerts for upcoming calendar events and reminders. It bridges the gap between passive calendar notifications and attention-grabbing, context-aware alerts ensuring users never miss a meeting or deadline. The app integrates deeply with native iOS EventKit to access calendar events, […]
Flutter Swift Java GetXGetX Navigation SystemShared PreferencesApp Group StorageiOS Home Screen WidgetFlutter SDK, Xcode, CocoaPods
mobile
productivity
Our Services
What We Build
Key Features
01
Real-Time Full-Screen Alerts :
- Overview : Full-screen alert system for upcoming events and reminders
- Features : Live countdown timer, event details, alert queue navigation, sound playback, join meeting button, dismiss and pause actions
02
Native Calendar and Reminder Integration :
- Overview : Deep integration with iOS calendar system
- Features : Multi-source calendar support, reminder fetching, attendee data, alarms, travel time, and long-term event tracking
03
Home Screen Widget (iOS) :
- Overview : Live widget for upcoming events
- Features : Multiple sizes, color-coded entries, meeting indicators, background refresh, and quick access to app
04
Smart Alert Filtering :
- Overview : Intelligent filtering of alerts
- Features : Accepted events only, alarm-based filtering, video-only events, all-day event control, today-only mode
05
Exclusion Rules :
- Overview : Rule-based filtering system
- Features : Pattern matching, field targeting, case sensitivity, and persistent rules
06
Work Hours Enforcement :
- Alerts respect defined working hours
- Enable/disable mode, per-day configuration, custom time ranges, automatic suppression
07
Pause / Snooze Alerts :
- Overview : Temporarily disable alerts
- Features : Timed or indefinite pause, visual indicator, automatic resume
08
Multi-Calendar and Reminder Selection :
- Overview : Manage multiple data sources
- Features : Toggle calendars/reminders, account labeling, and color coding
09
Custom Alerts :
- Overview : Create alerts independent of calendar events
- Features : Custom title, notes, trigger time, and persistent storage
10
Travel Time Display :
- Overview : Shows travel time for events
- Features : Displays travel duration and optionally adjusts alert timing
11
Meeting Link Detection :
- Overview : Automatically detects meeting links
- Features : Supports Zoom, Meet, Teams, and provides one-tap join
12
Attendee Tracking and RSVP Status :
- Overview : View participant details
- Features : RSVP tracking, organizer identification, and attendee list
13
Customizable Alert Sounds :
- Overview : User-selectable alert sounds
- Features : Multiple sound options, silent mode, and preview
14
Multi-Step Onboarding :
- Overview : Guided setup experience
- Steps : Permissions, calendar selection, signup, subscription, and demo alert
15
Custom Per-Event Alert Time :
- Overview : Customize alert timing per event
- Features : Set custom reminders and save preferences
16
Permission Management :
- Overview : Handles required system permissions
- Features : Calendar, reminders, notifications, and in-app warnings
17
Subscription and Paywall :
- Overview : Premium feature access system
- Features : Subscription plans and purchase flow
18
Background Persistence and Terminated State Recovery :
- Ensures alerts work even when app is closed
- Background updates, data sync, and duplicate alert prevention
Our Services
What We Build
Third Party SDKs & Libraries
Carefully selected integrations powering this project's core functionality.
GetX
Shared Preferences
Home Widget
URL Launcher
WebView
Calendar Picker
Intl
Cupertino Icons
Custom Cupertino UI Package
EventKit
User Notifications
WidgetKit
Background Tasks
CocoaLumberjack
14 integrations used in this project
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