Mobile AppsLifestyle, Education & Faith Utility

Deendar — All-in-One Islamic Lifestyle Companion

A distraction-free Islamic daily companion providing astronomical prayer time calculations, offline Quranic script with verse-by-verse audio, Qibla compass sensor fusion, and Hijri calendar scheduling.

Platform

Android & iOS (Flutter)

Timeline

16 Weeks

Release

2025-10-12

Last Updated

2026-03-15

Store Compliance Record

Verification & Governance

Package / Bundle / Identifier
com.appqor.deendar
Target SDK & Runtime
Android API 35 (Android 15) & iOS 18
Monetization & Billing Governance
Community Supported & Non-Intrusive Compliant Sponsorships

1. Product Overview

Deendar was crafted by AppQor to offer a calm, trustworthy, and privacy-respecting spiritual utility free from intrusive full-screen interruptive ads. Using high-precision astronomical solar angle algorithms, the app computes accurate salah schedules globally without requiring continuous internet connectivity, paired with Uthmani and Indo-Pak Quran typography and verified Hadith collections.

2. Engineering Objective

Create an authentic, offline-capable daily utility with accurate location-aware prayer notifications, smooth Arabic/Bengali/English typography, and battery-efficient background scheduling.

3. Measurable Outcome

Maintains sub-1% daily battery usage through exact Android AlarmManager scheduling, supports 12 global calculation conventions (MWL, ISNA, Umm al-Qura, Karachi), and delivers crisp multi-script rendering across all screen densities.

System Capabilities

Core Feature Architecture

Precision Prayer Times & Adhan Notifications

  • Astronomical solar coordinate calculation working 100% offline
  • Support for Hanafi and Standard Asr juristic methods plus high-latitude rules
  • Customizable pre-prayer reminders, sunrise/tahajjud alerts, and home-screen widgets

Offline Quran, Tafsir & Audio Recitation

  • High-resolution Uthmani and Indo-Pak script with adjustable font scaling
  • Word-by-word and full-verse translations in English, Bengali, and Urdu
  • Gapless background audio playback with verse highlighting and bookmarking

Sensor-Fusion Qibla Compass & Daily Tools

  • Magnetometer and accelerometer fused Qibla bearing with calibration guide
  • Categorized Hisnul Muslim supplications (Duas) with transliteration
  • Digital Tasbih counter with haptic feedback and Hijri-Gregorian converter
Technology Stack

Multi-Layer Engineering Stack

Mobile Architecture
FlutterKotlin Alarm APISwift WidgetKitClean MVVM
Data & Audio
SQLite Pre-Populated DBJustAudio Gapless EngineSensorManager / CoreMotion
Compliance & Delivery
Google Play Foreground Service ComplianceLocal Notification ChannelsZero Third-Party Trackers
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