Built in the open

Changelog

Everything that's shipped, newest first — plain English, no marketing spin. See something you asked for? It's probably down there.

September 14, 2026

NewAdaptive diagnostic routing — the diagnostic now sends you extra questions on whichever units you're still weak in, instead of stopping after one fixed round.
NewFuzzy-match flashcard typing — a "Type it" mode that accepts close-enough spelling, not just an exact match.
NewAI concept breakdown — highlight any confusing sentence in a guide and ask the AI helper to explain it on the spot.
NewInvite links — get a personal link from Settings to invite classmates; free for them too.
NewAn open-access banner on every page, so it's obvious up front: no paywalls, no sign-up wall.
NewSubscribe to your weekly study schedule as a calendar feed (Apple/Google/Outlook).
NewAn in-app feedback button on every page, with an admin queue to triage what comes in.
NewUpload a PDF, Word doc, or photo of your notes and generate a flashcard deck from it.
NewSmart hints, a session-summary screen after each quiz, distraction-free reading mode, and a dashboard greeting.
PerfShared scripts are now content-hashed and cached for a year in the browser — pages load faster on repeat visits.

September 12, 2026

NewGoogle Classroom + Calendar connect, so assignments and due dates show up right on your dashboard.
NewA full-length, original SAT practice exam with real section timing.
NewPer-unit progress bars, a keyboard shortcuts overlay, and small interaction polish across the guide.
NewHomepage search autocomplete, subject category pills, and a "/" shortcut to jump straight to search.
NewA quick-reference drawer and an optional Desmos calculator, available from every guide.
NewPublished our Parents' Bill of Rights for Data Privacy and Security.
NewA mistake log plus difficulty and topic tags on every quiz question.

September 9, 2026

PerfSelf-hosted every guide's fonts and dropped the render-blocking Google Fonts request site-wide.

August 25, 2026

PerfFinished migrating the entire backend to TypeScript — same features, fewer bugs slipping through.