# QueryQuest: Learn SQL — Master SQL Step by Step

> Master SQL Step by Step (iPhone/iPad app by Zheng Pan Lim.)

- Source: https://appshunter.io/ios/app/queryquest-learn-sql/id6759665201 (this page in markdown: same URL + `.md`)
- Developer: [Zheng Pan Lim](https://appshunter.io/developer/1872604492)
- Category: Education, Developer Tools
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.1 · 64 MB
- Languages: American English
- Released: 2026-03-03
- Data updated: 2026-05-17
- User reviews in markdown: https://appshunter.io/ios/app/queryquest-learn-sql/id6759665201/reviews.md

## What is QueryQuest?

Learn SQL the fun way with QueryQuest, an interactive learning app designed to take you from complete beginner to interview-ready SQL expert.

  LEARN BY DOING

  Practice real SQL queries through interactive coding exercises. Each lesson builds on the last, reinforcing concepts through hands-on practice rather than passive reading.  
      
  8 STRUCTURED LEVELS

  • Level 1-2: SQL Basics, SELECT, WHERE, ORDER BY, and more
  • Level 3: SQL Joins, INNER, LEFT, RIGHT, and FULL joins
  • Level 4: Advanced SQL, Subqueries, CTEs, and window functions
  • Level 5: SQL Logic, CASE statements and conditional logic
  • Level 6: SQL Tools, Indexes, views, and optimization
  • Level 7: Stellar Challenges, Complex real-world scenarios
  • Level 8: Interview Prep, Common SQL interview questions

  GAMIFIED LEARNING

  • Earn XP and gems as you progress
  • Maintain daily streaks to build consistent habits
  • Track your statistics and see how far you've come
  • Hearts system keeps you focused and motivated

  PREMIUM (PRO) 

  Unlock all 8 chapters, unlimited hearts, unlimited hints, and unlimited gems with a single one-time purchase. No subscriptions, no recurring charges.

  LEARN OFFLINE

  All lessons and content are available offline, learn anywhere, anytime.

  PRIVACY FIRST

  Your progress is stored locally on your device. We don't collect personal data or require account registration.

  Whether you're a student, aspiring data analyst, software developer, or preparing for technical interviews, QueryQuest gives you the SQL skills you need.

  Start your quest today!

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| QueryQuest PRO: Unlock Everything | $9.99 | one-time |
| Level 3: SQL Joins | $1.99 | one-time |
| Level 4: Advanced SQL | $1.99 | one-time |
| Level 5: SQL Logic | $2.99 | one-time |
| Level 6: SQL Tools | $2.99 | one-time |
| Level 7: Stellar Challenges | $2.99 | one-time |
| Level 8: Interview Prep | $2.99 | one-time |



## Version history (last 1 release)

### 1.0 — 2026-03-03

No release notes.

## More apps by Zheng Pan Lim

- [First Date Icebreakers](https://appshunter.io/ios/app/first-date-icebreakers/id6758374115)
- [IPPT Calculator & Tracker](https://appshunter.io/ios/app/ippt-calculator-and-tracker/id6760744002)

All apps by Zheng Pan Lim: https://appshunter.io/developer/1872604492

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-17.*