اللؤلؤ والمرجان vs OpenFile Chess
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
اللؤلؤ والمرجان
Browse and search through selected Hadiths with ease. Features include saving favorites, easy navigation, and a powerful text search. The app is small in size and allows content sharing.
- Save Hadiths to favorites
- Easy navigation between Hadiths
- Advanced text search
- Content sharing
- Compact size
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تطبيق اللؤلؤ والمرجان فيما اتفق علية الشيخان يتيح لك تصفح الاحاديث بطريقة سريعة مع عرض المحتويات بشكل يسهل لك التنقل بينها وقراءتها مع كثير من المزايا الاخرى : - اضافة اى حديث للمفضلة - التنقل بسهولة بين الاحاديث - باحث نصي للاحاديث بمختلف الامكانيات (بحث مع اللواصق او بدون .....) - صغير الحجم - مشاركة المحتوى
OpenFile Chess
This app combines a chess puzzle trainer with an interactive e-reader for classic chess books. It features spaced repetition for puzzle training, thematic decks, and engine analysis. Users can also read and step through classic chess books with move-by-move annotations.
- Spaced repetition puzzle trainer
- Themed puzzle decks
- Interactive chess book reader
- Stockfish 17 analysis
- Move-by-move annotations
- Explore alternate lines
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OpenFile Chess is a puzzle trainer and interactive chess reader in one app. Train with thousands of puzzles powered by spaced repetition. Your rating adapts as you improve, and puzzles are organized by theme — forks, pins, mates, endgames, and more. Explore alternate lines freely, or turn on Stockfish 17 for instant analysis. Read Chess Fundamentals by José Raúl Capablanca — one of the greatest chess books ever written. Step through every example move by move with full annotations. FEATURES • Puzzle trainer with spaced repetition and ELO tracking • Dozens of themed decks: tactics, mates, endgames, phases • Explore mode to try alternate lines on any puzzle • Stockfish 17 engine analysis on any position • Full text of Chess Fundamentals (1921) • 71 interactive games with move-by-move annotations • Flip board, night mode, and board color themes
Screenshots
Verdict
The clearest difference is rating: OpenFile Chess at 5.0 against اللؤلؤ والمرجان's 4.0. OpenFile Chess also leads on ads (none vs shown) and update cadence (every 5 weeks vs every 115 months). اللؤلؤ والمرجان's advantage is in-app purchases (none vs 2) and iOS requirement (11.0 vs 16.0). On price, review sentiment and device support 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
Both are free to download. OpenFile Chess sells 2 one-off in-app purchases. اللؤلؤ والمرجان asks for nothing beyond the download.
OpenFile Chess holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: OpenFile Chess has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.
اللؤلؤ والمرجان ships an update every 115 months, OpenFile Chess every 5 weeks. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.
| Parameter | اللؤلؤ والمرجان | OpenFile Chess |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (1 ratings) | 5.0 (6 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 1 | 6 — better |
| Update frequency | Every 115 months | Every 5 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 11.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 13 MB | 82 MB |
| Age rating | 4+ | 4+ |
| Developer | Hany Elmehy | Hriday Bhambhvani |
Customer experience
اللؤلؤ والمرجان
OpenFile Chess
In-app purchases
اللؤلؤ والمرجان
No in-app purchases
OpenFile Chess
- 30-Day Rental$3.99
- Lifetime Access$9.99
Questions
Is اللؤلؤ والمرجان free?
Is OpenFile Chess free?
Which has better reviews, اللؤلؤ والمرجان or OpenFile Chess?
Do اللؤلؤ والمرجان or OpenFile Chess have ads?
Which is updated more often, اللؤلؤ والمرجان or OpenFile Chess?
Other comparisons
