Who is the author of The ?

The author is , a prominent figure in the study of occult philosophy and esoteric traditions.

What is the main theme of the book?

The main theme is the esoteric interpretation of the Book of Revelation, focusing on the mystical and symbolic meanings hidden within the text.

Why is this book important for modern esoteric seekers?

This book is important because it bridges ancient wisdom with contemporary spiritual practices, providing valuable insights into the esoteric traditions that have influenced Western spirituality.

BU Score

Strong

Dua & Zikr (Hisnul Muslim)

4.8 ✍️ Editor

Food & Drink

✍️ BU Analytics Review

“

Dua & Zikr (Hisnul Muslim) is an iOS app from Greentech Apps Foundation in the Food & Drink category, currently rated 4.8★ across 372 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.

Our BU Score puts it at 70 — Strong (healthy traction). For a Food & Drink app, that means healthy traction.

Track changes month-over-month in the Performance section below — live snapshot history and revenue forecast included.

creator

Greentech Apps Foundation

📊 Performance Tracking LIVE

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Rating

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Reviews

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Forecast Revenue / mo

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Snapshots tracked

since first record

Range:

💰 Forecast Revenue / mo

MODEL

Revenue forecast computed from BU's 234 trigger model on each snapshot. Calibrated against ground-truth from 58 verified-revenue apps.

🔬Forecast Breakdown — Why This Estimate?Top 6 of 6 triggers

Our ML model uses 200+ signals from public data. These are the most influential for this app:

Excellent rating (4.8★)METRIC		+$2,200
excellent appREVIEW		+$1,500
highly recommendREVIEW		+$1,400
Established app (7y old)METRIC		+$800
Ad-supported / freemiumMETRIC		+$600
Early-stage install base (372 ratings)METRIC		+$400

METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)

📥 Estimated Downloads / week

PROXY · ratings × 50/wk —

Industry-rule estimate (Sensor Tower / data.ai): one weekly install ≈ 50 new ratings. Solid points = tracked snapshots · faded line = pre-tracking model backfill.

📈 Reviews Growth

LIVE

Cumulative review count from first BU snapshot. Each point = a tracked update.

💚Sentiment Over Time↑ green = positive · ↓ red = negative

May 24

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Jan 25

Feb 25

Mar 25

Oct 25

Mar 26

⭐ Rating Trend

LIVE

Average rating evolution. Updates with each new review batch.

🗓️ Snapshot Timeline

HISTORY

Each bar shows a tracked update and the metric delta from the previous snapshot.

App Specs

🔐 Own this app? Claim & verify MRR →

💾 7 MB🔞 4+📱 iOS 13.0+🔖 v1.5🔄 updated 3y ago🌐 BN, EN📂 Food & Drink💰 Paid🚀 Launched 2018 (7y old)

📝 About this app

An easy-to-use app that contains authentic Du'a and Zikr for a Muslim's daily supplication and special occasions. It contains Islamic duas for daily day-to-day activities, from day to night. 

It is based on the popular Hisnul Muslim (Fortress of the Muslim) book by Sheikh Sa'id Ibn Wahf Al-Qahtaani. 

Some of the Do'a and Zikr topics in the app - when waking up, when wearing and undressing, entering and leaving the toilet, performing ablution and prayer, going to the mosque, seeking guidance in making a decision, morning and evening Azkar & Dhikr, and a lot more.

Features:
• About 326 Duas from the Quran and Sunnah
• Favorites Options
• Font Size can be adjusted according to preference
• Share option lets one distribute this beautiful app with loved ones. Ability to share images. 
• Translation and Transliteration of each dua along with their benefits if present
• Ability to share audio files with your friends
• Ability to pinch-zoom to change the font size
• No Ads
• Daily Notification
• Search with highlights, copy and share functions 
• Category view to make it more organised:
- Salah
- Morning & Evening
- Sleep
- Ramadan - Fasting
- Quranic Duas
- Food & Drink
- Illness - Death
- Ruqyah
- Seeking Refuge
- Social Manners
- Family
- Rizq
- Gratitude - Repentance
- Purification
- Clothes
- Hajj - Umrah
- Travel
- Nature

Share and recommend this beautiful application to your friends and relatives. May Allah bless us in this world and hereafter.
"Whoever calls people to right guidance will have a reward like that of those who follow him..." - Sahih Muslim, Hadith 2674

Made with Love by Greentech Apps Foundation
Visit our Website: https://gtaf.org
Like us on Facebook: https://www.facebook.com/GreenTech0/
Follow us on Twitter: https://twitter.com/GreentechApps

🆕 What's New · v1.5

We are working continuously to improve the Dua & Zikr (Hisnul Muslim) app.

Here are some of the latest updates:
- New Category redesign
- Content updates
- Fixed notch overlapping issues

We have new exciting features coming soon in sha Allah!
Love the app? Rate us! Your feedback means a lot to us.

If you run into any trouble or have any ideas, please let us know at https://feedback.gtaf.org/dua

Profile & Insights

Everything we know — and don't — about this app and its company.

Identification

App name: Dua & Zikr (Hisnul Muslim)
Developer: Greentech Apps Foundation
Bundle ID: com.greentechapps.hisnulmuslim
App Store URL: Open in App Store
Category: Food & Drink
Content rating: 4+
Languages: BN, EN

Company

Website: gtaf.org
Tagline: Helping Muslims Better Understand Islam
Description: Bringing people closer to Allah with the best Islamic apps, trusted by 20M+ Muslims worldwide. Start your journey to understand Islam better with GTAF.
Founded: Not found
HQ / Address: Not found
Employees: Not found
Logo: OG image

Revenue

Verified revenue / mo: Not found
AI revenue estimate / mo: Not found
AI annual estimate: Not found
ML model estimate / mo: $16.7K/mo
Top-grossing rank: Outside top 100 in US Food & Drink
All-time revenue: Not found
Pricing: Not found

Founder

Name: Not found
X / Twitter: https://twitter.com/greentechapps
LinkedIn: https://www.linkedin.com/in/nabil6391/
GitHub: Not found
X followers: Not found
Public statements: Not found

Funding

Total raised: Not found
Last round: Not found
Investors: Not found
Crunchbase: Not found
AngelList: Not found

Press & Links

Articles found: Not found
Listed on: Not found
Blog: https://gtaf.org/blog/
Press / News: Not found

Contacts & Socials

Socials: facebook · instagram · linkedin · twitter · youtube
Email: Not found
Phone: Not found
Contact page: https://gtaf.org/support/
About page: https://gtaf.org/about/

📈Ratings growth372 ratings+12300% lifetimeShow 3-year history estimate ▾

Tracked (60 weeks) Pre-tracking estimate (36 weeks) · model-based, ±5% noise · anchored to release date and current value

🌍Geographic ReachNot ranked

This app is currently outside the top 100 grossing in all 9 countries we monitor (US, UK, DE, FR, JP, CA, AU, BR, IN). Niche or new apps often launch this way — popularity rankings appear once daily revenue clears the regional threshold.

Profile is built from iTunes Lookup + developer site scrape + ML revenue model. Empty fields show "Not found" — additional sources (Crunchbase, X, IndieHackers, Acquire.com) coming.

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