SQLPrep: Learn SQL & Practice
Run Queries, Interview Prep
Only for iPhone
Free · In-App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
Run real SQL on-device with 60 SQLite exercises, then sharpen interview skills with 200 explained questions. No account or internet needed.
SQLPrep helps data analyst candidates practice SQL in the minutes between real responsibilities.
Work through daily multiple-choice drills, then write real queries against bundled SQLite databases. Every exercise runs locally on your device, so practice is fast, private, and available without an account or internet connection.
What you can practice:
- SELECT, WHERE, ORDER BY, and LIMIT
- Aggregate functions, GROUP BY, and HAVING
- JOIN basics and advanced JOIN patterns
- Subqueries, CASE, and NULL handling
- Window functions
- Mixed interview-style SQL problems
SQLPrep is built for focused interview preparation. It avoids streak pressure, mascots, ads, subscriptions, and account setup. Instead, you get a local practice log, chapter accuracy percentages, structured query diagnostics, and a clean dark interface designed for serious study.
Free practice includes Chapter 1, the first 5 SQLite exercises, and a daily quiz allowance.
Unlock Full Practice Library is a one-time purchase that unlocks the full local bank: 200 interview questions and 60 SQLite exercises. No subscription.
Download SQLPrep and run your first real query in under a minute — no account, no internet required.
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
Improved the home progress view with clearer chapter accuracy, better next-step guidance, and a refreshed App Store presentation.
The developer, CHENG QIAO, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Size
- 28.1 MB
- Category
- Education
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPod touch
Requires iOS 15.1 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Unlock Full Practice Library 99,00 kr
- Provider
CHENG QIAO
- CHENG QIAO has identified itself as a trader for this app and confirmed that this product or service complies with European Union law.
- Address
2 Manor street,Stoneybatter
Flat 3
Dublin 7 D07E4HF
Ireland - Phone Number
+353 833118880 - Email
qiaoc7689@icloud.com
- Copyright
- © 2026 Cheng Qiao