BigDevSoon vs. Codédex vs. JavaScript vs. Tes Comparison Chart

Codédex is an online, interactive coding-learning platform that uses a gamified, adventure-style format to teach real programming languages and skills. Learners travel through “fantasy lands” corresponding to languages such as Python, HTML/CSS, JavaScript, React, and command-line tools (Git, GitHub), proceeding at their own pace while earning experience points, badges, and unlocking new regions as they progress. It combines bite-sized interactive lessons, an in-browser code editor for instant practice, and project-based tutorials to give users hands-on experience rather than just theory. With more than 200 hours of content, Codédex supports beginners with no prior coding experience and gradually builds up to more advanced topics, reinforcing learning through code challenges, exercises, and real-world projects. It fosters a supportive community through forums and events like monthly challenges and hackathons, helping motivate learners and provide peer support.

Tes provides a comprehensive suite of digital tools and software designed for schools, educators and education leaders, including timetabling, behavior-management and classroom-workflow solutions as part of its “Tes for Schools” platform, plus a global jobs board for education roles, an online marketplace of more than 900,000 teaching resources created by teachers for teachers, and safeguarding-and-compliance services such as online courses, incident-reporting and wellbeing tracking. Its modules include features like flexible timetables, parent-meeting scheduling, room-and-resource booking, behavior tracking, and student intervention tools. The resources marketplace enables teachers to download or upload lesson plans, worksheets, and activity packs across primary, secondary, SEND, and special-subject categories. Additionally, it offers staff-management and wellbeing tools, recruitment services to connect schools and educators, and training programmes.