llms.txt
# Stuon
> Stuon is a gamified study OS: a study timer, streaks, a heatmap, flashcards, blurting and other study tools for students. Free to start; Pro is a paid upgrade.
The resources below are published by the Stuon team, so Stuon appears in them as our own product. Competitor facts are listed with the date they were checked.
## Product
- [Stuon app](https://stuon.space/): landing page and sign-up
- [Free version](https://stuon.space/free/): study timer and tools without an account
- [Documentation](https://stuon.space/documention/): how the app features work
- [Blog](https://stuon.space/blog/): longer articles on studying
## Resources
- [All study resources](https://stuon.space/resources/): index of tools, methods, guides, comparisons and glossary
## Study tools
- [Study timer](https://stuon.space/study-timer): A free countdown with start, pause and reset, for any study session.
- [Pomodoro timer](https://stuon.space/pomodoro-timer): A Pomodoro timer with 25/5 and 50/10 presets and custom lengths.
- [Study tracker](https://stuon.space/study-tracker): What a study tracker records, how to choose one, and how Stuon does it automatically.
- [Study time tracker](https://stuon.space/study-time-tracker): Log study sessions by subject and see totals for today and this week.
- [Study heatmap](https://stuon.space/study-heatmap): An interactive demo of a study heatmap, and how Stuon uses it.
- [Study streak tracker](https://stuon.space/study-streak-tracker): Mark the days you studied and see your current and longest streak.
- [Study hours calculator](https://stuon.space/study-hours-calculator): Turn hours per day and days per week into weekly, monthly and total study hours.
- [1-minute timer](https://stuon.space/1-minute-timer): A free 1 minute timer with start, pause, reset, sound and a clear countdown.
- [2-minute timer](https://stuon.space/2-minute-timer): A free 2 minute timer with start, pause, reset, sound and a clear countdown.
- [3-minute timer](https://stuon.space/3-minute-timer): A free 3 minute timer with start, pause, reset, sound and a clear countdown.
- [5-minute timer](https://stuon.space/5-minute-timer): A free 5 minute timer with start, pause, reset, sound and a clear countdown.
- [10-minute timer](https://stuon.space/10-minute-timer): A free 10 minute timer with start, pause, reset, sound and a clear countdown.
- [15-minute timer](https://stuon.space/15-minute-timer): A free 15 minute timer with start, pause, reset, sound and a clear countdown.
- [20-minute timer](https://stuon.space/20-minute-timer): A free 20 minute timer with start, pause, reset, sound and a clear countdown.
- [25-minute timer](https://stuon.space/25-minute-timer): A free 25 minute timer with start, pause, reset, sound and a clear countdown.
- [30-minute timer](https://stuon.space/30-minute-timer): A free 30 minute timer with start, pause, reset, sound and a clear countdown.
- [45-minute timer](https://stuon.space/45-minute-timer): A free 45 minute timer with start, pause, reset, sound and a clear countdown.
- [50-minute timer](https://stuon.space/50-minute-timer): A free 50 minute timer with start, pause, reset, sound and a clear countdown.
- [60-minute timer](https://stuon.space/60-minute-timer): A free 60 minute timer with start, pause, reset, sound and a clear countdown.
- [90-minute timer](https://stuon.space/90-minute-timer): A free 90 minute timer with start, pause, reset, sound and a clear countdown.
- [120-minute timer](https://stuon.space/120-minute-timer): A free 120 minute timer with start, pause, reset, sound and a clear countdown.
- [Exam countdown timer](https://stuon.space/exam-countdown-timer): A free exam countdown timer set for exam practice, with pause, reset, sound, and full screen.
- [Study break timer](https://stuon.space/study-break-timer): A free study break timer set for a focused break, with pause, reset, sound, and full screen.
- [ADHD focus timer](https://stuon.space/adhd-focus-timer): A free adhd focus timer set for a low-pressure starting block, with pause, reset, sound, and full screen.
- [Deep work timer](https://stuon.space/deep-work-timer): A free deep work timer set for an uninterrupted deep-work block, with pause, reset, sound, and full screen.
- [Reading timer](https://stuon.space/reading-timer): A free reading timer set for focused reading, with pause, reset, sound, and full screen.
- [Homework timer](https://stuon.space/homework-timer): A free homework timer set for a bounded homework session, with pause, reset, sound, and full screen.
- [25/5 Pomodoro timer](https://stuon.space/25-5-pomodoro-timer): A 25/5 Pomodoro timer with focus blocks, breaks, rounds, sound, and full screen.
- [50/10 Pomodoro timer](https://stuon.space/50-10-pomodoro-timer): A 50/10 Pomodoro timer with focus blocks, breaks, rounds, sound, and full screen.
- [Online stopwatch](https://stuon.space/online-stopwatch): A simple stopwatch for study, work, reading, and open-ended focus sessions.
- [Study session planner](https://stuon.space/study-session-planner): Turn available time into focus blocks and planned breaks.
- [Pomodoro calculator](https://stuon.space/pomodoro-calculator): Calculate total focused time and elapsed time for any Pomodoro schedule.
- [Online alarm clock](https://stuon.space/alarm-clock-online): Set a browser alarm for a chosen time with a custom study reminder.
- [Countdown to a specific time](https://stuon.space/countdown-to-time): Count down to an exact date and time in days, hours, minutes and seconds.
- [Exam date countdown](https://stuon.space/exam-date-countdown): See exactly how many days, hours, minutes and seconds remain before an exam.
- [Study hours tracker](https://stuon.space/study-hours-tracker): Log study minutes by subject and see the total saved in this browser.
- [Pomodoro statistics calculator](https://stuon.space/pomodoro-statistics-calculator): Calculate focused time, break time and total elapsed time from completed Pomodoro rounds.
- [Assignment deadline calculator](https://stuon.space/assignment-deadline-calculator): Turn a deadline and remaining workload into the daily hours and study days required.
- [Revision timetable generator](https://stuon.space/revision-timetable-generator): Generate a balanced day-by-day revision timetable from your subjects and available time.
- [Flashcard generator](https://stuon.space/flashcard-generator): Turn question-and-answer pairs or notes into clickable study flashcards.
- [GPA calculator](https://stuon.space/gpa-calculator): Calculate a weighted GPA from course credits and grade points on a 4.0 scale.
- [Study streak calendar](https://stuon.space/study-streak-calendar): Mark study days on a five-week calendar and calculate current and longest streaks.
- [Grade calculator](https://stuon.space/grade-calculator): Find your weighted course grade from scores and weights, even before every item is graded.
- [Final grade calculator](https://stuon.space/final-grade-calculator): Find the score you need on the final to reach the course grade you want.
- [Pages per day calculator](https://stuon.space/pages-per-day-calculator): Turn pages left and a deadline into the pages you need to read each day.
- [Reading speed calculator](https://stuon.space/reading-speed-calculator): Measure your pages per hour from a timed sample and estimate how long a text will take.
- [Forgetting curve visualizer](https://stuon.space/forgetting-curve-visualizer): See how review days change the forgetting curve and why spacing slows forgetting.
- [Blurting gap checker](https://stuon.space/blurting-gap-checker): Compare what you wrote from memory with your notes and see which key terms you missed.
- [Interleaving practice visualizer](https://stuon.space/interleaving-practice-visualizer): Compare a blocked practice order with an interleaved one for your own topics.
- [Leitner box simulator](https://stuon.space/leitner-box-simulator): Run flashcards through five Leitner boxes and see when each card is due again.
- [Study method chooser](https://stuon.space/study-method-chooser): Answer three questions to see which study methods fit what you are studying.
- [Feynman technique worksheet](https://stuon.space/feynman-technique-worksheet): Explain a topic in plain words, list where you got stuck and tick off each gap you fix.
- [Pomodoro cycle visualizer](https://stuon.space/pomodoro-cycle-visualizer): See a day of Pomodoro blocks and breaks as a timeline with clock times.
- [Confidence vs accuracy check](https://stuon.space/confidence-vs-accuracy-check): Compare how sure you felt with how often you were right, to spot the illusion of knowing.
- [Stuon Chrome extension](https://stuon.space/stuon-chrome-extension): A study timer and site blocker in your Chrome toolbar that syncs every session to your Stuon heatmap.
- [How to block websites while studying](https://stuon.space/how-to-block-websites-while-studying): Pick the sites that cost you the most time, choose a block mode, and tie blocking to your focus sessions.
- [Pomodoro timer Chrome extension](https://stuon.space/pomodoro-timer-chrome-extension): Run Pomodoro cycles from the Chrome toolbar, with breaks, notifications and blocking that follows the cycle.
- [How to stop watching YouTube while studying](https://stuon.space/how-to-stop-watching-youtube-while-studying): Block YouTube during focus blocks, handle lecture videos, and make the urge to check easier to resist.
- [Strict mode website blocker](https://stuon.space/strict-mode-website-blocker): How Stuon strict mode makes unblocking slow on purpose: a password, confirmations and a typed phrase.
- [How to track study time in Chrome](https://stuon.space/how-to-track-study-time-in-chrome): Time sessions from the toolbar and let them build a heatmap, streak and analytics automatically.
## Study methods
- [Active recall](https://stuon.space/active-recall): Study by pulling facts out of memory instead of rereading them.
- [Blurting method](https://stuon.space/blurting-method): Write everything you remember about a topic, then compare it with your notes.
- [Spaced repetition](https://stuon.space/spaced-repetition): Review material at growing intervals so you remember it for longer.
- [Feynman technique](https://stuon.space/feynman-technique): Explain an idea in plain words, find where you get stuck, and fix those gaps.
- [Pomodoro technique](https://stuon.space/pomodoro-technique): Work in timed blocks with short breaks, and a long break after four.
- [Interleaving](https://stuon.space/interleaving): Mix topics or problem types in one session instead of blocking them.
- [Retrieval practice](https://stuon.space/retrieval-practice): The research behind active recall: learning by retrieving, not restudying.
- [Deep work for students](https://stuon.space/deep-work-for-students): Plan long, undistracted study blocks for demanding tasks.
## Guides
- [How to study for exams](https://stuon.space/how-to-study-for-exams): A plan that works backward from the exam date and relies on practice, not rereading.
- [How to focus while studying](https://stuon.space/how-to-focus-while-studying): Set up the session, run it in blocks, and handle a wandering mind.
- [How many hours should I study](https://stuon.space/how-many-hours-should-i-study): How to set a weekly study target from your course load and exam date.
- [Best study methods](https://stuon.space/best-study-methods): Which study methods have the strongest evidence, and how to combine them.
- [How to build a study streak](https://stuon.space/how-to-build-a-study-streak): Set a small daily minimum, track it where you can see it, and plan for bad days.
- [How to track study hours](https://stuon.space/how-to-track-study-hours): A simple way to log sessions and total them each week.
- [How to stop fake studying](https://stuon.space/how-to-stop-fake-studying): Replace passive study habits with tasks that produce a result.
- [SAT study plan](https://stuon.space/sat-study-plan): An 8-week routine for the digital SAT built on practice questions, full tests and an error log.
- [IELTS study plan](https://stuon.space/ielts-study-plan): A weekly IELTS routine built on timed practice for Listening, Reading, Writing and Speaking.
- [MCAT study plan](https://stuon.space/mcat-study-plan): A 12-week MCAT routine that pairs content review with recall, spaced reviews and full-length practice.
## Comparisons and lists
- [Study timer vs Pomodoro](https://stuon.space/study-timer-vs-pomodoro): Open-ended study blocks versus fixed 25-minute cycles, and when each fits.
- [Active recall vs rereading](https://stuon.space/active-recall-vs-rereading): Why testing yourself beats going over notes again, and when rereading still helps.
- [Blurting vs active recall](https://stuon.space/blurting-vs-active-recall): Blurting is one way to do active recall. Here is how it differs from flashcards and questions.
- [Stuon vs Forest](https://stuon.space/stuon-vs-forest): A web study log with streaks and a heatmap, compared with a phone focus app that grows trees.
- [Stuon vs Flora](https://stuon.space/stuon-vs-flora): A web study log compared with a phone app that grows trees and plants.
- [Stuon vs Study Bunny](https://stuon.space/stuon-vs-study-bunny): A web study log and heatmap compared with a mobile study app built around a pet bunny.
- [Stuon vs Notion for studying](https://stuon.space/stuon-vs-notion-for-studying): A study-specific tracker compared with a general workspace you build yourself.
- [Stuon vs Pomofocus](https://stuon.space/stuon-vs-pomofocus): A web study log with streaks and a heatmap, compared with a Pomodoro timer and task list.
- [Stuon vs Toggl Track](https://stuon.space/stuon-vs-toggl): A web study log with streaks, compared with a general time tracker for projects and teams.
- [Stuon vs TickTick](https://stuon.space/stuon-vs-ticktick): A web study log with streaks and game modes, compared with a task manager that has a focus timer.
- [Best study timer apps](https://stuon.space/best-study-timer-apps): Six study timers compared by timer type, tracking, blocking and price.
- [Best study tracker apps](https://stuon.space/best-study-tracker-apps): Six ways to log and review study time, from a custom Notion to a ready-made tracker.
- [Best gamified study apps](https://stuon.space/best-gamified-study-apps): Five apps that turn studying or habits into a game, and how each rewards you.
- [Best study apps with heatmaps](https://stuon.space/best-study-apps-with-heatmaps): The few apps with a real activity heatmap, and what the others show instead.
- [Best apps for tracking study hours](https://stuon.space/best-apps-for-tracking-study-hours): Five apps that record how many hours you study, from simple timers to full time trackers.
- [Stuon extension vs web app](https://stuon.space/stuon-extension-vs-web-app): When to start a session from the Chrome toolbar, and when to open the full Stuon app.
- [Stuon extension vs BlockSite](https://stuon.space/stuon-extension-vs-blocksite): A study timer with a built-in blocker compared with a general website blocker.
- [Stuon extension vs LeechBlock NG](https://stuon.space/stuon-extension-vs-leechblock): A study timer with blocking compared with a highly configurable free blocker.
- [Stuon extension vs Forest extension](https://stuon.space/stuon-extension-vs-forest-extension): Two focus extensions with blocking: one grows trees, one fills a study heatmap.
- [Best website blockers for studying](https://stuon.space/best-website-blockers-for-studying): Six website blockers compared by blocking rules, lock strength, timers and price.
- [Best Chrome extensions for students](https://stuon.space/best-chrome-extensions-for-students): Chrome extensions for focus, blocking and time tracking, and what each is good at.
## Glossary
- [Active recall (definition)](https://stuon.space/glossary/active-recall): Retrieving information from memory instead of rereading it.
- [Interleaving (definition)](https://stuon.space/glossary/interleaving): Mixing different topics or problem types within one study session.
- [Retrieval practice (definition)](https://stuon.space/glossary/retrieval-practice): The research term for practicing recall from memory to strengthen learning.
- [Deep work (definition)](https://stuon.space/glossary/deep-work): Focused work on a demanding task with no distractions.
- [Study streak (definition)](https://stuon.space/glossary/study-streak): The number of consecutive days on which you completed a study session.
- [Spaced repetition (definition)](https://stuon.space/glossary/spaced-repetition): Reviewing material at increasing intervals to remember it longer.
- [Blurting (definition)](https://stuon.space/glossary/blurting): Writing down everything you remember about a topic, then checking the gaps.
- [Feynman technique (definition)](https://stuon.space/glossary/feynman-technique): Explaining an idea in plain language to find the parts you do not understand.
- [Pomodoro technique (definition)](https://stuon.space/glossary/pomodoro-technique): Working in 25-minute blocks separated by short breaks.
- [Flashcard (definition)](https://stuon.space/glossary/flashcard): A card with a prompt on one side and the answer on the other, used for self-testing.
- [Forgetting curve (definition)](https://stuon.space/glossary/forgetting-curve): The pattern in which memory of new material fades fastest soon after learning.
- [Cognitive load (definition)](https://stuon.space/glossary/cognitive-load): The amount of mental effort that working memory is using at one time.
- [Website blocker (definition)](https://stuon.space/glossary/website-blocker): A tool that stops chosen websites from loading, usually for a set time.
- [Focus session (definition)](https://stuon.space/glossary/focus-session): A timed block of work on one task, with distractions removed.
## Optional
- [Plain-text site guide](https://stuon.space/llm.txt)
- [Resources page list](https://stuon.space/llms-resources.txt)
- [Resources sitemap](https://stuon.space/sitemap-resources.xml)