XrestAPI vs SwipeDrill

Build real backend skills — not just theory. XrestAPI is a hands-on learning app designed to help you understand backend development through interactive challenges, structured levels, and practical problem-solving. Instead of passively reading, you actively build answers using tokens, select correct solutions, and reinforce your learning through a smart review system. What You’ll Learn • PHP fundamentals • Routing (GET, POST, middleware) • CRUD operations • Services and business logic • Repository patterns • Real-world API design concepts How It Works • Solve interactive challenges • Build answers step-by-step using tokens • Get instant feedback • Retry and improve • Automatically review weak areas Features • Beginner → Intermediate → Advanced levels • Token-based coding challenges • Multiple-choice questions • Smart review system for mistakes • Progress tracking (points & streaks) • Clean and focused learning experience Why XrestAPI? Most apps teach concepts. XrestAPI trains your thinking. You don’t just memorize syntax — you learn how backend systems work by solving real problems. Start learning, practicing, and mastering backend development today.

200+ cloud services. Finally under control. SwipeDrill: Cloud turns the official AWS documentation into daily swipe quizzes so you stop drowning in services and start understanding the ones that matter. Perfect for interview prep, Solutions Architect study, or just leveling up your cloud knowledge. HOW IT WORKS Each card shows a statement about an AWS service or concept. Swipe right if it's true. Swipe left if it's false. Get an instant explanation grounded in official AWS documentation. WHAT YOU'LL MASTER - Cloud Basics: global infrastructure, regions, and core concepts - IAM: users, roles, policies, and least privilege - EC2: instance types, AMIs, security groups, and storage - S3: buckets, storage classes, policies, and lifecycle - VPC: subnets, route tables, NAT, and peering - RDS: engines, Multi-AZ, read replicas, and backups - Lambda: functions, triggers, layers, and concurrency - CloudWatch: metrics, logs, alarms, and dashboards 800+ questions. Sourced from official AWS documentation. WHO THIS IS FOR - Cloud engineers preparing for AWS certifications - Solutions Architects reviewing service fundamentals - Developers moving workloads to the cloud - DevOps engineers managing cloud infrastructure - Students entering the cloud industry PREMIUM FEATURES Upgrade once. Use forever. - Sequential Mode: work through all questions in order - Bookmarks: save tricky questions and review them later - Detailed Stats: track accuracy and progress per category - No Ads: completely ad-free experience STUDY SMARTER - Daily Goal tracker: build a consistent study habit - Streak counter: keep your momentum going - Review Mode: replay only the questions you got wrong - Today's Service: a new featured AWS concept every day - Works offline: questions bundled in the app A NOTE ON CONTENT All questions are based on official AWS documentation. Cloud services evolve rapidly so content may occasionally reflect outdated information. Always verify critical details against the latest official AWS docs. Cloud confidence starts here. Download SwipeDrill: Cloud today.