Comparison

iDuas vs Flash Study Smart Flashcards

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

iDuas

This app provides daily rituals, supplications, and important events for the months of Rajab and Shabaan, leading up to Ramadhan. It includes multimedia content, customizable views, and specific Du'as for spiritual observance.

Highlights
  • Daily rituals and supplications
  • Important events for Rajab and Shabaan
  • Multimedia content (MP3s and video)
  • Customizable interface and font sizing
  • Line-by-line or full Du'a view
  • Transliteration support
  • Bookmarking and sharing options
Features
Read full description

Rajab and Shabaan are the other months of spirituality leading up to the Holy Month of Ramadhan. Use this app for the entire two months as it contains all the daily rituals, supplications and important events in both Rajab and Shabaan. It also contains the important Amaal of Laylatul Raghaib (the night of desires), and the Amaal of 15th Shabaan. The app is driven with a friendly interface and ability to customize your options, view line by line or full Arabic. You can also view transliteration. The app also contains multimedia of mp3s and video. Other Features: - Arabic font with sizing options via Settings - Du'as such as Du'a Kumail, Du'a Tawasul, Du'a Nudba, Munajat of Shabaaniya, and much more! - Transliteration section - Ability to view videos on the app - Can customize the app using the settings (i.e. View Arabic, Transliteration, font size, and more) - Can view Full Du'a OR Line By Line (configurable via settings) - Sharing options - Landscape and portrait compatibility - Bookmarking and much more!

About

Flash Study Smart Flashcards

This app uses adaptive spaced repetition to predict when you'll forget information and schedules reviews at the optimal time. It helps you study more efficiently by focusing on what you're about to forget, strengthening your memory and improving retention.

Highlights
  • Adaptive spaced repetition (FSRS)
  • Smart flashcard creation and review
  • Automated scheduling based on memory
  • Progress tracking and performance monitoring
  • Study library organization
  • Streak and achievement system
Features
Read full description

Flash Study — Flashcards that adapt to how you learn Stop wasting time reviewing things you already know. Flash Study uses adaptive spaced repetition (FSRS) to show you exactly what you’re about to forget — right before you forget it. You spend less time studying and remember more. WHY IT WORKS Most flashcard apps are passive. Flash Study is intelligent. It learns from your performance and automatically: * Predicts when you’ll forget a card * Schedules it at the perfect time * Strengthens your memory efficiently It feels like the app understands how you learn. KEY FEATURES Smart Flashcards Create and review cards in a clean, distraction-free interface. Adaptive Learning (FSRS) No manual setup. The system adjusts to you automatically. Progress Tracking Monitor retention, performance, and daily study activity. Streaks and Motivation Build consistency with simple goals and achievements. Organised Study Library Keep all your subjects and sets in one place. Fast and Seamless Designed for smooth, reliable daily use anywhere. PERFECT FOR * Exams and revision * Memorising key concepts * Language learning * Building daily study habits THE DIFFERENCE Other apps: you decide what to study. Flash Study: it tells you what to study based on your memory. Start studying smarter today.

Screenshots

iDuas4 screens
Flash Study Smart Flashcards4 screens

Verdict

The call

The clearest difference is in-app purchases: iDuas at none against Flash Study Smart Flashcards's 1. iDuas also leads on device support (3 vs 1) and iOS requirement (10.0 vs 18.6). Flash Study Smart Flashcards's advantage is update cadence (daily vs every 18 months). On price, review sentiment and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Flash Study Smart Flashcards sells 1 one-off in-app purchase. iDuas asks for nothing beyond the download.

UpkeepUpdate frequency

iDuas ships an update every 18 months, Flash Study Smart Flashcards daily. The most recent releases landed on October 12, 2026 and October 10, 2026 respectively.

Scorecard5 real differences · 5 level
iDuas versus Flash Study Smart Flashcards: the parameters behind the verdict, then further details
ParameteriDuasFlash Study Smart Flashcards
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings2 — better—
Update frequencyEvery 18 monthsDaily — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS10.0 — better18.6
Further details — not scored
Size17 MB4 MB
Age rating4+4+
DeveloperECNET SOLUTIONS INC.Tanveer Dhaliwal

Customer experience

iDuas

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Flash Study Smart Flashcards

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

iDuas

No in-app purchases

1 purchases

Flash Study Smart Flashcards

One-time1
  • Flash Study Pro$4.99

Questions

Is iDuas free?
iDuas is free to download, with no in-app purchases.
Is Flash Study Smart Flashcards free?
Flash Study Smart Flashcards is free to download, with in-app purchases available.
Do iDuas or Flash Study Smart Flashcards have ads?
Neither iDuas nor Flash Study Smart Flashcards shows ads.
Which is updated more often, iDuas or Flash Study Smart Flashcards?
iDuas ships an update every 18 months, and Flash Study Smart Flashcards daily. Most recently, iDuas was updated on October 12, 2026 and Flash Study Smart Flashcards on October 10, 2026.

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