Boddle vs Zearn Math

Boddle is a K–6 learning game with math, English language arts, and science content for classrooms, families, and homeschoolers. Its learning roadmap adjusts material to a learner's performance. Student tools include text-to-speech, question explanations, a sketch scratchpad, and placement testing. Teachers can assign standards-aligned skills and review mastery reports by student, skill, and standard. Google Classroom and Clever provide single sign-on and roster syncing. The premium page describes more than 2,000 skills and over 48,500 questions, rationales, and explainer videos. Boddle says its full learning platform is free for every teacher and school, with Premium as an optional add-on. The Basic plan includes all learning content and more than 35,000 questions for students. Listed Premium prices are $4.08 per month billed annually and $9.99 per month billed monthly. Boddle runs in web browsers on Chromebooks and laptops, with iOS 12+ and Android 9+ apps. It states that it complies with COPPA, FERPA, and SOPPA and holds KidSafeSeal certification.

Zearn Math is a web-based platform for students in grades K–8, used alongside teacher-led instruction. It provides more than 1,000 digital lessons arranged in Missions covering major K–8 mathematics concepts. Lessons combine fluency practice, guided concept instruction, visual models, handwritten problem solving, adaptive support, and mastery checks. Teachers can view progress in real time and use reports to identify where students need help; gamified practice and parent reporting are listed capabilities. School Accounts integrate with Clever for roster management and login. Zearn says it does not sell student information, use it for advertising, or use personally identifiable information to train AI models, and cites FERPA and COPPA. Listed safeguards include encryption in transit and at rest, two-factor authentication, security updates, risk assessments, and vulnerability remediation. There are no student-facing AI, chatbots, messaging, or social networking features.