SQL Prep vs Dua Buddy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SQL Prep
Learn SQL through interactive challenges and gamified exercises. Practice writing queries on real database tables, receive instant feedback, and track your progress. An AI-powered generator helps you understand query patterns and complex joins.
- Interactive SQL challenges
- Gamified learning experience
- AI-powered SQL generator
- Real database table practice
- Instant feedback and explanations
- Progress tracking with XP and streaks
- Interview preparation mode
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Learn SQL the fun way. SQL Quiz turns database queries into an interactive game — no boring tutorials, no endless videos. Just real challenges that teach you SQL by doing. You see a table. You get a task. You write the query. If it runs correctly, you level up. Simple. In the age of AI, SQL is still the #1 skill for anyone working with data. SQL Quiz makes learning it feel like a game. HOW IT WORKS 1. See a real database table with sample data 2. Read the challenge — e.g. "Find all orders over $100" 3. Write your SQL query 4. Get instant feedback with detailed explanations 5. Earn XP, keep your streak, and track your progress TOPICS COVERED - SELECT, WHERE, ORDER BY — Start here - GROUP BY, HAVING, COUNT — Level up - JOIN, LEFT JOIN, INNER JOIN — Get serious - Subqueries & Window Functions — Go pro - Real-world interview scenarios — Boss levels AI-POWERED SQL GENERATOR Describe what you need in plain English, and our AI converts it to optimized SQL instantly. Perfect for learning query patterns and understanding complex joins. WHY SQL QUIZ? - Learn by doing, not watching - 5-minute daily practice sessions - 40+ expert-crafted challenges across all levels - AI-powered hints when you're stuck - Track your progress with XP and streaks - Interview prep mode for job readiness PERFECT FOR - Students learning databases for the first time - Career switchers moving into data analytics - Data analysts sharpening their SQL skills - Developers refreshing SQL knowledge - Anyone preparing for technical interviews FREE TO START Practice daily with free challenges. Upgrade to Pro for unlimited access and advanced topics. PRO FEATURES - Unlimited daily challenges - Advanced topics (CTEs, Window Functions) - Streak protection — never lose your progress - Priority AI-powered hints - Full interview prep mode SUBSCRIPTION INFO SQL Quiz Pro is available as a monthly ($4.99) or yearly ($39.99) auto-renewable subscription. Payment is charged to your Apple ID account at confirmation of purchase. Subscription automatically renews unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in Settings. Terms of Use: https://mergisi.github.io/AI-SQL-Code-Generator/terms-of-use.html Privacy Policy: https://mergisi.github.io/AI-SQL-Code-Generator/privacy-policy.html Master SQL — one query at a time.
Dua Buddy
Access authentic Islamic prayers and the full Quran with translations and transliterations. Get accurate prayer times, learn about duas with sourced facts, and track your spiritual growth through a personal journal.
- Authentic Duas by category
- Full Quran with translations
- Accurate location-based prayer times
- Sourced facts about Duas
- Dua journaling feature
- Spiritual growth tracking
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• Authentic Duas — Browse a curated library organized by category (Morning & Evening, Food & Drink, Prayer, Protection, and more), each with Arabic script, transliteration, and clear English translations • Full Quran — All 114 surahs with Arabic text, translation, and transliteration, right in your pocket • Prayer Times — Accurate, location-based Salah times for Fajr, Dhuhr, Asr, Maghrib, and Isha, with a live countdown to your next prayer • Facts About Dua — Bite-sized, authentically-sourced reminders (Tirmidhi, Ibn Majah, and more) to deepen your understanding and motivation • Dua Journal — Reflect on what you’ve read and felt, and watch your spiritual journey unfold one entry at a time • Track Your Growth — See your duas read, favorites, and journal entries at a glance
Screenshots
Verdict
The clearest difference is rating: Dua Buddy at 5.0 against SQL Prep's 3.7. Dua Buddy also leads on in-app purchases (none vs 3). SQL Prep's advantage is ratings volume (3 vs 1). On price, ads, device support and iOS requirement 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. SQL Prep sells 3 in-app purchases, starting at $4.99 per month. Dua Buddy asks for nothing beyond the download.
Dua Buddy holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 1 respectively.
| Parameter | SQL Prep | Dua Buddy |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (3 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 3 — better | 1 |
| Update frequency | Every 5 days | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | Free — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 6 MB | 37 MB |
| Age rating | 4+ | 4+ |
| Developer | Mustafa Ergisi | HUSSAIN SULEMAN |
In-app purchases
SQL Prep
- SQL Generator7 Days trial$4.991 Month
- Yearly Premium7 Days trial$29.991 Year
- Pro Lifetime$19.99
Dua Buddy
No in-app purchases









