A habit and interest tracker for everything you care about. Set your own cadence, daily to monthly, and streaks follow your schedule. Buy once for $21, no subscription.
sponsored
FlexLearnAI
Flash Cards: Math
Coursera
Decks
Duolingo
Harken
Productivity Power Tools
StudyAnything.ai
Daystack
FlexLearnAI is an AI-native study coach that converts your own material into adaptive practice. Upload a PDF, textbook, notes doc, or EPUB and it extracts the concepts, generates practice questions, and calibrates your level in the first 5 questions. From there it targets difficulty to your ability, tracks which concepts you've actually mastered, and schedules spaced-repetition reviews so nothing slips before your exam. Unlike static flashcard apps, every quiz is generated from your source material and adapts in real time. Students use it for SAT and ACT prep, NCLEX, professional certifications (PMP, CPA, AWS), college exams, language learning, and technical training. Free to start โ upload a document and run your first practice session without paying. Meet Flexo, the coach that studies with you.
FlexLearnAINo Daystack videos yet. You could help us improve this page by suggesting one.
FlexLearnAI's answer
Exam-focused students and self-learners who study from their own notes and textbooks โ nursing students (NCLEX), high schoolers (SAT/ACT), college students, and professionals earning certifications (PMP, CPA, AWS). Time-pressed learners who want study time that actually sticks.
FlexLearnAI's answer
Most study apps make you build flashcards by hand (Quizlet, Anki) or drill a generic, pre-made question bank. FlexLearnAI turns your OWN notes, PDFs, or textbook into practice questions automatically โ then adapts to you: it pins down your level in about 5 questions, keeps targeting the concepts you actually keep missing, and uses spaced repetition to resurface weak spots right before you'd forget them. It's a tutor's adaptivity built on your material, not someone else's deck.
FlexLearnAI's answer
โข No manual setup โ it builds questions from your material instead of making you create decks (Quizlet, Anki) โข Adapts to you: finds your level in ~5 questions and targets your actual weak spots, unlike static question banks โข Spaced repetition built in, so you retain instead of cram-and-forget โข Free to start, Pro just $20/mo โ cheaper than most exam-prep tools
Flash Cards: Math - Simple and effective math flash cards
Coursera - Build skills with courses, certificates, and degrees online from world-class universities and companies
Decks - Decks is a study application designed to keep all your stuff in one place, instead of having an app for flashcards, another for notes, and one to watch tutorials, create a deck and keep everything organized there.
Duolingo - Duolingo is a free language learning app for iOS, Windows and Android devices. The app makes learning a new language fun by breaking learning into small lessons where you can earn points and move up through the levels. Read more about Duolingo.
Harken - Flashcard app using smart repetition to improve your memory
Productivity Power Tools - Extension for Visual Studio - A set of extensions to Visual Studio 2012 Professional (and above) which improves developer productivity.