Comparison

Learn MariaDB Offline vs Query Dojo

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

Head to head
About

Learn MariaDB Offline

Features
Read full description

Learn MariaDB - Complete MariaDB Learning App Learn MariaDB is a comprehensive offline learning application designed for students, developers, database administrators, and professionals who want to master MariaDB from the basics to advanced database concepts. Whether you are just getting started with relational databases or preparing for technical interviews, this app provides structured lessons, practical SQL examples, and real-world database concepts to help you become confident with MariaDB. All learning materials are available offline, allowing you to study anytime without an internet connection. What You'll Learn • MariaDB Introduction • Installation and Setup • Database Fundamentals • SQL Syntax • Creating Databases • Creating and Managing Tables • Data Types • Constraints • Primary Keys • Foreign Keys • Indexes • Views • Sequences • Stored Procedures • Functions • Triggers • Transactions • CRUD Operations • SELECT Queries • WHERE Clause • ORDER BY • GROUP BY • HAVING • Joins • Subqueries • UNION • Common Table Expressions • Window Functions • Aggregate Functions • String Functions • Date and Time Functions • Numeric Functions • JSON Support • User Management • Security • Backup and Restore • Performance Optimization • Query Optimization • Database Administration • Best Practices • Advanced SQL Techniques • Real-World Examples App Features • Beginner-friendly lessons • Advanced MariaDB topics • Offline learning • Well-organized tutorials • SQL syntax examples • Practical code samples • Interview questions • Frequently asked questions • Tips and best practices • Bookmark favorite lessons • Search tutorials instantly • Simple and clean interface • Regular content updates • Dark mode support • Progress tracking Why Learn MariaDB? MariaDB is one of the world's most popular open-source relational database management systems. It is widely used for web applications, enterprise software, cloud services, and modern backend development. Learning MariaDB helps you build reliable applications, optimize database performance, manage large datasets, and prepare for careers in software development, backend engineering, database administration, and DevOps. Whether you're a beginner or an experienced developer, Learn MariaDB provides an easy and practical way to strengthen your database skills. Download Learn MariaDB today and start building professional database expertise at your own pace.

About

Query Dojo

Master SQL for tech interviews with hands-on challenges and interactive lessons. Practice real-world queries from top tech companies and track your progress to become job-ready.

Highlights
  • Hands-on SQL challenges
  • Real interview questions
  • Interactive lessons
  • SQL sandbox environment
  • Progress tracking
  • Daily streaks and achievements
Features
Read full description

Walk into your SQL interview ready. Query Dojo is SQL interview practice that fits in a few minutes a day. Drill the classic questions, rehearse under a real interview clock, and see exactly what is wrong when a query fails. PRACTICE THE CLASSIC QUESTIONS 85 interview-style SQL challenges, from finding the runner-up salary to top earners per department, monthly retention, login streaks, running totals and medians. Every query runs on a real database, right on your phone. REHEARSE UNDER A REAL CLOCK Timed mock interviews: 25 minutes, 4 questions, no hints. Finish with a readiness score out of 100, so you know where you stand before the real thing. SEE EXACTLY WHY AN ANSWER IS WRONG Every run is checked against the expected result. When it is off, you see what is missing or extra, from columns to rows. Hints and full solutions are there when you are stuck. BUILD QUERIES WITHOUT A KEYBOARD Tap tiles to build real queries, put lines in the right order, or type from scratch. RELEARN WHAT YOU FORGOT 79 bite-size lessons, from SELECT and JOINs to window functions, CTEs, gaps and islands, and finding the median. A PLAN FOR YOUR LEVEL Tell us where you are and get a 4-week belt plan with the topics to focus on first. EARN YOUR BLACK BELT Every challenge and lesson moves you up, from white belt to black belt and beyond, with streaks to keep you consistent. A PLAYGROUND FOR EVERYTHING ELSE Run any SQL against 4 sample databases. Every run is rolled back, so experiment freely. Query Dojo Premium is an auto-renewing subscription, billed monthly or yearly. Payment is charged to your Apple ID at confirmation. It renews automatically unless canceled at least 24 hours before the end of the current period, and you can manage or cancel it in your App Store account settings. Terms: https://querydojo.pages.dev/terms Privacy: https://querydojo.pages.dev/privacy

Screenshots

Learn MariaDB Offline4 screens
Query Dojo4 screens

Verdict

The call

The clearest difference is price: Query Dojo at Free against Learn MariaDB Offline's $1.99. Query Dojo also leads on update cadence (fortnightly vs every 21 months). Learn MariaDB Offline's advantage is in-app purchases (none vs 2) and iOS requirement (13.0 vs 17.6). On ads 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

CostPrice · In-app purchases · Ads · Monetization

Query Dojo is free to download; Learn MariaDB Offline costs $1.99 up front. Query Dojo sells 2 in-app purchases, starting at $7.95 per month. Learn MariaDB Offline asks for nothing beyond the download.

UpkeepUpdate frequency

Learn MariaDB Offline ships an update every 21 months, Query Dojo fortnightly. The most recent releases landed on October 11, 2026 and October 16, 2026 respectively.

Scorecard4 real differences · 6 level
Learn MariaDB Offline versus Query Dojo: the parameters behind the verdict, then further details
ParameterLearn MariaDB OfflineQuery Dojo
Price$1.99Free — better
Rating—5.0 (3 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—3 — better
Update frequencyEvery 21 monthsFortnightly — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better17.6
Further details — not scored
Size38 MB9 MB
Age rating4+4+
DeveloperMuhammad MubeenRasim Salimov

In-app purchases

None

Learn MariaDB Offline

No in-app purchases

2 purchases

Query Dojo

Subscriptions2
  • SQL Master Monthly Subscription$7.951 Month
  • SQL Master Yearly Subscription$49.951 Year

Questions

Is Learn MariaDB Offline free?
Learn MariaDB Offline costs $1.99, with no in-app purchases.
Is Query Dojo free?
Query Dojo is free to download, with in-app purchases available.
Do Learn MariaDB Offline or Query Dojo have ads?
Neither Learn MariaDB Offline nor Query Dojo shows ads.
Which is updated more often, Learn MariaDB Offline or Query Dojo?
Learn MariaDB Offline ships an update every 21 months, and Query Dojo fortnightly. Most recently, Learn MariaDB Offline was updated on October 11, 2026 and Query Dojo on October 16, 2026.

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