MintQuery: Learn SQL

Free during launch — everything unlocked until October 1. Join now and keep a special founding pricing at $6.99/month, forever.

MintQuery is a mobile-first app for learning SQL — from your first SELECT to interview-level queries. Practice SQL on your phone with short lessons and hands-on exercises. No ads, ever.

HOW IT WORKS Each lesson takes about 5 minutes. You learn a concept, then practice it immediately through interactive exercises. No long videos, no passive reading. Just focused practice that builds real understanding.

WHAT YOU'LL LEARN

• SELECT, FROM, WHERE — the building blocks of every SQL query
• Filtering, sorting, and grouping data
• JOINs — combining data from multiple tables
• Aggregate functions like COUNT, SUM, AVG
• Subqueries and more advanced concepts

FEATURES

• 6 exercise types including fill-in-the-blank, query builder, and debug challenges
• AI tutor that explains concepts and gives hints without giving away the answer
• Streak tracking to build a daily habit
• Progress saved across devices
• Works offline — your progress syncs when you're back online

WHO IT'S FOR MintQuery is for beginners learning SQL for the first time, career switchers moving into data analytics, analysts refreshing skills they haven't used in a while, and anyone preparing for SQL interview questions. Practice writing queries, filtering data, joining tables, and debugging SQL — all from your phone, no laptop required.

WHY MINTQUERY No hearts. No energy timers. No ads. No waiting three hours to continue a lesson. Make mistakes freely — that's how you learn.