RevTracky vs Learn SQL

RevTracky is a smart revision app designed to help you stay focused, organised, and consistent — with a fun twist. Turn your study sessions into something you actually stick to. Set your subjects, define your goals, and build a routine that helps you improve over time. As you revise, your in-app pet reflects your consistency — study regularly to keep it happy, fed, and cared for. Stay Focused When It Matters Use built-in revision timers to structure your study sessions. Choose from stopwatch, countdown, or custom modes designed to reduce distractions and keep you fully engaged. AFK detection helps ensure your time is spent productively. Add Subjects & Set Clear Goals Take control of your learning by adding all your subjects in one place. Set target grades and track your current performance so you always know where to focus. Break down your goals into manageable steps and stay on track. Track Your Progress See how your revision builds over time. Monitor your study activity, stay consistent, and build momentum with every session. The more you revise, the more progress you’ll see. Plan Your Revision Routine Create a personalised revision timetable that fits your schedule. Stay organised, avoid last-minute cramming, and build habits that actually stick. Your Study Pet Keeps You Accountable Your pet is directly linked to your revision habits. Stay consistent to keep it happy — feed it, care for it, and maintain its wellbeing through regular study sessions. Skip revision, and it will reflect your lack of consistency. Stay Consistent & Build Momentum Track your study streaks and stay motivated as you build daily habits. Small, focused sessions add up to real results over time. Test Your Knowledge Use AI-powered quizzes to quickly test what you’ve learned across your subjects. Identify gaps, reinforce knowledge, and improve faster. Key Features • Revision timer • Add subjects and set target grades • Track study progress and performance • Personalised revision timetable • Study streaks and habit tracking • Interactive pet that reflects your consistency

Open the case file. The evidence is in the database. Learn SQL for free through 100 authored leads and 10 complete investigations. Read the brief, inspect the schema, write a real query, and use the returned rows to prove what happened. Each lead gives you a question and a working dataset. Run your SQL, study the result, revise your approach, then verify the finding when the evidence fits. Every investigation is authored, so the clues, datasets, and conclusions belong to a complete case. WORK 100 AUTHORED LEADS Ten investigations take you from the foundations to advanced analysis: • SELECT, WHERE, ORDER BY, and LIMIT • COUNT, SUM, AVG, GROUP BY, and HAVING • INNER JOIN and LEFT JOIN • Subqueries and CASE expressions • Window functions and common table expressions BUILD PRACTICAL SQL JUDGEMENT • Turn a case objective into a query • Explore tables and relationships through the schema • Read returned rows instead of guessing from syntax • Use clear feedback to correct a failed investigation • Reopen filed leads and improve your solution START WHERE YOUR SKILLS FIT New to SQL? Begin with Case 001 and learn the query desk step by step. Already comfortable with the basics? Choose a later investigation and meet a harder set of evidence. Archie, your SQL Case Guide, can offer a focused hint when you are stuck. Academy field guides explain the underlying concepts, while the Skill Map shows how each investigation builds your SQL toolkit. THE CURRICULUM STAYS FREE All 100 authored leads and the complete SQL learning route are free. There is no subscription. Start without an account, and keep your learning progress and settings on your device. Analytics can be disabled in Settings. Query verification, Archie guidance, verification links, and purchase restoration require an internet connection. An optional one-time Supporter purchase helps fund future investigations. It never limits the curriculum. Your first case is waiting.