All research notesKoydo Catalog Counts (Audit, April 2026)
Audited counts of Koydo's learning catalog as of April 17, 2026. Source for the headline numbers cited across koydo.app marketing surfaces.
Every figure below was counted directly against the live surface it describes — a public HTTP probe of the running catalog, not an internal projection. Anything that could not be counted live on the audit date was left out rather than estimated.
What Koydo covers
Koydo spans every core subject from first phonics to college-level coursework, for learners aged 3 through adult. Rather than publish a catalog size that changes weekly, we describe the range: the curriculum is designed so a family does not run out of it.
Study languages: 60. This is the number of languages a learner can study in, and is distinct from the 56 languages the interface itself is translated into.
Interactive surfaces (counted live)
Arcade games that teach: 47. Microapps: 32. Science-lab levels: 300, across earth science, aerospace, physics, civil engineering, biology, and chemistry. Songs: 4,140.
Across every Koydo property there are 97 live learning surfaces, together offering more than 530 distinct activities, games, and apps.
Why this note no longer publishes a single catalog total
Earlier versions of this note cited a single headline catalog figure. That number was drawn from an internal staging table that also held scaffolding and machine-generated placeholder rows, so it described the pipeline rather than what a learner can actually open. It both overstated the finished material and, confusingly, understated the authored library.
We now publish only figures that can be independently checked against a live Koydo surface. Where a number cannot be verified that way, this note describes coverage instead of quoting a total.
Citing this note
Marketing copy and external references that cite Koydo figures should point here. Any figure not listed above is not a supported public claim.