Comparison

SQL Prep vs Dua Buddy

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

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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.

About

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.

Highlights
  • Authentic Duas by category
  • Full Quran with translations
  • Accurate location-based prayer times
  • Sourced facts about Duas
  • Dua journaling feature
  • Spiritual growth tracking
Features
Read full description

• 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

SQL Prep4 screens
Dua Buddy4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

Scorecard4 real differences · 6 level
SQL Prep versus Dua Buddy: the parameters behind the verdict, then further details
ParameterSQL PrepDua Buddy
PriceFreeFree
Rating3.7 (3 ratings)5.0 (1 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings3 — better1
Update frequencyEvery 5 days—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.1 — better
Further details — not scored
Size6 MB37 MB
Age rating4+4+
DeveloperMustafa ErgisiHUSSAIN SULEMAN

In-app purchases

3 purchases

SQL Prep

Subscriptions2
  • SQL Generator7 Days trial$4.991 Month
  • Yearly Premium7 Days trial$29.991 Year
One-time1
  • Pro Lifetime$19.99
None

Dua Buddy

No in-app purchases

Questions

Is SQL Prep free?
SQL Prep is free to download, with in-app purchases available.
Is Dua Buddy free?
Dua Buddy is free to download, with no in-app purchases.
Which has better reviews, SQL Prep or Dua Buddy?
Dua Buddy is rated higher. SQL Prep averages 3.7 out of 5 from 3 ratings, while Dua Buddy averages 5.0 from 1 ratings.
Do SQL Prep or Dua Buddy have ads?
Neither SQL Prep nor Dua Buddy shows ads.

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