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
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