Day streak
12
Focus session
24:59
Flashcard · Bio 201
What carries oxygen in blood?
tap to flip
Answer
Hemoglobin
+1 mastered
Grade avg
A−
AI Tutor
Explain entropy like I'm 12
Imagine your room getting messy on its own…
Up next
Bio midterm review
Fri · 9:00 AM
AI Study OS The calm workspace for how you actually study

Everything you need to study. One app.

AI tutor, smart planner, flashcards, essay polish, focus mode and streaks, fused into one intelligent operating system. Replace the six apps that ignore each other.

Start free
Loved by 24,000+ students at 600+ universities
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One subscription · replaces your entire stack
Writing Suite × Flashcard Generator × AI Tutor × Focus Timer × Smart Calendar × Grade Tracker × Study Planner ×
0
Active students
0
Flashcards mastered
0
Higher grade avg
0
Essays polished
// Everything you need

Eight tools.
One tab.

Stop paying for six apps that ignore each other. Studlin replaces the whole stack, and every tool knows what the others are doing.

01 · AI Writing Suite

Write, polish, humanize and cite, without leaving the page.

Grammar checker, AI detector, plagiarism scan, citation generator, word counter. The full writing stack, live on every doc.

DRAFT · ESSAY · 1,247 WORDS
In Macbeth, Shakespeare shows how unchecked ambition corodes moral judgment. The protagonist's descent into tyranny is foreshadowed in Act I…
Spelling → corrodes Strong thesis 0% AI detected
02 · Smart Reschedule

"I have a chem test Friday." Done.

Describe a conflict in plain English. Studlin re-plans your week, blocks focus time, reshuffles every deadline.

YOU
move my history essay so i can study for chem
STUDLIN
Pushed essay to Sat 10am. Added 4×45m chem blocks. Synced to Google Cal.
03 · Flashcards

Drop a PDF. Get a deck.

Upload notes, lectures, textbooks. AI builds spaced-repetition cards tuned to your exam.

04 · AI Tutor for every subject

Upload anything. Ask anything.

Snap a worksheet, drop a recording, paste a problem. The tutor walks you through it Socratically. It never just hands over answers.

why is sin(2x) = 2sin(x)cos(x)?
Start with sin(A+B) = sin A cos B + cos A sin B. Now set A = B = x… your turn →
05 · Streaks

The reason you'll show up.

Daily streaks, milestones, and a Weekly Wrapped that's actually fun to share.

12
day streak
longest: 31
06 · Focus Music

Sounds your brain agrees with.

AI-curated soundscapes. Lo-fi for reading, binaural for math.

▶ Deep Focus · 45 min left
07 · Wrapped

Spotify Wrapped, for studying.

Weekly recaps of your wins, focus hours, and exactly where you slipped.

WEEK 18 · WRAPPED
14h 22m
+3.2h vs last week
08 · Focus, scored.

Sounds your brain agrees with.

AI-curated soundscapes tuned to what you're working on. Lo-fi for reading, binaural for math, brown noise when it's crunch time. One tap and you're in the zone.

Start a focus session
Now playing · Deep Focus
LO-FI BINAURAL BROWN NOISE NATURE
// From zero to locked-in, in four moves
01SET UP

Tell it what you're studying.

Pick your subjects, drop your syllabus, link your calendar. Studlin reads it all and builds a plan around your real deadlines in seconds.

Imports from all major study tools
02PLAN

Wake up to a plan that already works.

Every morning Studlin lays out the day, what to review, what to write, when to focus. Change one thing and the week reshuffles itself.

Smart Reschedule built in
03LOCK IN

Do the work without leaving the page.

Writing tools, AI tutor, flashcards and focus music in one window. Hit the timer, play the music, watch the streak climb.

One tab replaces eight apps
04LEVEL UP

Watch the grades follow.

Weekly Wrapped shows your wins, the streak graph keeps you honest, and your grades climb. Studying that finally compounds.

Wrapped insights every Sunday
// Loved by

Real students. Real grades.

★★★★★
"My GPA went from 3.2 to 3.8 in one semester. The tutor explains things the way my professor never could."
JT
Jordan T.
GPA boost
★★★★★
"I dropped five separate apps and got my evenings back. Everything lives in one place now."
DK
Devon K.
Time saved
★★★★★
"Up 210 points on my SAT. The practice sets actually adapt to the questions I keep missing."
PS
Priya S.
SAT prep
★★★★
"I get more done in two focused hours than I used to in a whole night of cramming."
MR
Maya R.
Productivity
★★★★★
"The focus timer and music combo is unreal. I finally stopped checking my phone every five minutes."
AC
Aisha C.
Focus
★★★★★
"My GPA went from 3.2 to 3.8 in one semester. The tutor explains things the way my professor never could."
JT
Jordan T.
GPA boost
★★★★★
"I dropped five separate apps and got my evenings back. Everything lives in one place now."
DK
Devon K.
Time saved
★★★★★
"Up 210 points on my SAT. The practice sets actually adapt to the questions I keep missing."
PS
Priya S.
SAT prep
★★★★
"I get more done in two focused hours than I used to in a whole night of cramming."
MR
Maya R.
Productivity
★★★★★
"The focus timer and music combo is unreal. I finally stopped checking my phone every five minutes."
AC
Aisha C.
Focus
★★★★★
"It turned my 80-page bio PDF into a full deck in about ten seconds. I almost cried."
LW
Leo W.
Flashcards
★★★★★
"I told it I caught the flu and it rebuilt my entire week. No anxiety spiral."
NR
Nadia R.
Organized
★★★★
"I run my whole study group off the streak graph. Nobody breaks their streak on a Sunday night."
TK
Theo K.
Streaks
★★★★★
"Saves me at least ten hours a week. That is a part time job's worth of time handed back to me."
SD
Sam D.
Time saved
★★★★★
"Went from academic probation to the Dean's List. I am not exaggerating."
RM
Riley M.
GPA boost
★★★★★
"It turned my 80-page bio PDF into a full deck in about ten seconds. I almost cried."
LW
Leo W.
Flashcards
★★★★★
"I told it I caught the flu and it rebuilt my entire week. No anxiety spiral."
NR
Nadia R.
Organized
★★★★
"I run my whole study group off the streak graph. Nobody breaks their streak on a Sunday night."
TK
Theo K.
Streaks
★★★★★
"Saves me at least ten hours a week. That is a part time job's worth of time handed back to me."
SD
Sam D.
Time saved
★★★★★
"Went from academic probation to the Dean's List. I am not exaggerating."
RM
Riley M.
GPA boost
Used at Harvard Princeton Stanford MIT Yale Cambridge
// Pricing

Simple, student-friendly pricing

Start free, upgrade when you need more. Every plan includes the full study OS, AI tutoring, and cross-device sync.

Monthly Annual billing Save 20%
Free
$0/forever
Free, forever
  • 30 AI credits / month
  • AI tutor, Standard model, Research mode
  • Manual flashcards & notes
  • Focus timer, calendar & planner
  • Streaks, XP & basic stats

Start free
Everything you need to get organized.
Max
$24.99/month
billed monthly
  • 500 AI credits / month
  • Everything in Pro, unlimited
  • Bulk ops, 100 flashcards at once
  • Advanced analytics & learning paths
  • Cosmetics shop + monthly tournaments
  • Priority support + 3× focus XP

Go Max
Maximum firepower. No limits, ever.
Most students juggle 4–6 apps. Studlin is all of them in one, starting at $0.
// Studlin vs the old way

Why students never go back.

The same hours, a completely different result. Here's how an AI-native workspace stacks up against the patchwork most students still fight with.

The difference
Studlin
The old way
How you learn
Studlin
Active recall and spaced repetition built into every deck
Instant, mark-by-mark feedback on every answer
Adapts to exactly what you keep getting wrong
The old way
Passive re-reading and highlighting
No feedback until the grade comes back
One-size-fits-all worksheets
Your time
Studlin
Notes become flashcards and summaries in seconds
One workspace, zero app-switching
Plans your week around real deadlines automatically
The old way
Hours spent making materials by hand
Six disconnected apps and a wall of tabs
Paper planners that fall apart by week three
Your money
Studlin
One subscription covers the entire stack
Tutor-grade help on demand, around the clock
Study anywhere, any time, on any device
The old way
Private tutors at $50–100 an hour
Paying for five separate subscriptions
Limited to office hours and scheduling gaps
// The whole picture

Compare every plan.

// Compare plans Every feature,
side by side.
Free $0 Forever, no card
Most popular Pro $9.99/mo or $7.99 billed annually
Max $24.99/mo or $19.99 billed annually
AI Tutor & Credits
Monthly AI credits
30
200
500
AI chat tutor
AI models
Standard
All models
All + priority
Study modes · Research, Essay Coach, Exam Prep, Concept Review
Research
All 4
All 4
Reasoning model
Credit top-up packs
Writing & Essays
Essay editor
Google Docs sync
AI-assisted writing
Feedback & readability scores
Grammar & polish checks
2 / mo
Unlimited
Unlimited
Plagiarism detection
AI Rewrite (Humanizer)
Flashcards & Notes
Manual flashcards & notes
AI flashcard generation
Document scanning
Lecture recording
YouTube import
Searchable library
Focus & Planning
Focus timer + burnout alerts
Smart calendar & planner
AI video tutor suggestions
Bulk operations
Focus session XP boost
Profile & Gamification
Streaks, XP & levels
Achievements
Basic
Advanced
Advanced
Subject-specific analytics
Long-term trends & learning paths
Study groups & co-op focus
Streak credit bonuses
Perks & Support
Cosmetics shop · badges, frames, titles
Monthly tournaments
Priority support
Cancel anytime.
Built for student budgets.
// FAQ

Ask us anything.

Studlin's AI Detector is the same one most universities deploy, and the Humanizer rewrites in your voice from your past writing. You can also toggle AI off entirely for honor-code-strict assignments.
Most competing tools do one thing well. Studlin integrates writing, flashcards, scheduling, AI tutoring, and focus tracking into a single workspace designed for real student workflows.
All of them. Math with full LaTeX, sciences, humanities, languages, coding, business, including IB, AP, A Levels, IGCSE, SAT and MCAT exam boards.
Yes. Studlin imports from all major study platforms and file formats, PDFs, spreadsheets, audio files, and more.
Studlin is already built for students. Pro is $7.99/mo billed annually, cheaper than most single-purpose tools it replaces.
// Final exam season starts now

Stop juggling tabs.
Start locking in.

Join 24,000+ students who study smarter, not harder.

Start free, 7 days of Pro
Coming Soon

The Studlin mobile app

Everything you love on desktop, optimized for your pocket. Be the first to know when we launch.