Does Kuest have a periodic table?

Yes. Kuest has a periodic table in chemistry, so you can look up atomic masses and trends while you work through a problem instead of switching tabs.

Does it follow the AP Chemistry units?

Yes. Kuest covers the AP Chemistry units from atomic structure to electrochemistry and can build unit quizzes and mock exams, including free-response practice with calculations.

Can Kuest check my stoichiometry work?

Yes. Walk through your steps and Kuest checks each conversion and unit, points out where a mistake crept in and asks you to fix it rather than just showing the answer.

Can I type chemical formulas?

Yes. You can type formulas and equations in the chat, use the math keyboard for numbers and exponents, or snap a photo of a worksheet problem.

How is Kuest different from Chegg for chemistry?

Chegg is known for step-by-step textbook solutions and expert answers, which help when you want to see a finished solution. Kuest works more like a tutor: it asks you for the next step, checks your units and explains where your reasoning went off. That makes it better suited to learning the method you'll need on a test.

How is Kuest different from ChatGPT?

ChatGPT answers. Kuest teaches: it asks what you think first, checks every step, turns what you learned into quizzes and flashcards, and remembers what you got wrong so it comes back to it. It also grades your answers on our servers, so it never shows you the answer before you try.

Does one plan cover every subject?

Yes. Free and paid plans include every subject, exam and skill on this site. Switch subjects any time and each one keeps its own history.

Is Kuest safe for students under 18?

It's built for them. There are no ad trackers in the app, we keep personal details out of logs and AI traces, and parents can link their account to follow progress without reading every chat.

Can Kuest replace a tutor or teacher?

It's there for the hours a tutor or teacher can't be: late-night homework, the week before a test, the question you didn't want to ask in class. Many students use it alongside their teacher, not instead of them.

Study chemistry 10x faster with AI

Moles, bonding, stoichiometry and equilibrium made clear one step at a time, with a periodic table right in the chat.

Start free See how it teaches

4.87on iOS13,917,000+students already study with Kuest

topics: 10
Typical grade: 10–11 (AP Chemistry: 11–12)
Course: Chemistry, Regents, AP Chemistry
AP exam: 3h 15m, 9 units

See how Kuest teaches it

It asks before it tells, so you do the thinking and it sticks.

How many moles are in 36 g of water (H₂O)?

To go from grams to moles you need the molar mass. Using the periodic table, what's the molar mass of H₂O?

Hydrogen is about 1 and oxygen is about 16, so 17 g/mol.

Good values. Check the formula again: how many hydrogen atoms are in H₂O?

Two. So 2 + 16 = 18 g/mol, and 36 ÷ 18 = 2 moles.

2 moles. Always count atoms from the subscripts before adding masses.

Molar mass counts every atom in the formula; moles = grams ÷ molar mass.

Students who lock in with Kuest

students: 13,917,000+
App Store rating: 4.87
countries: 100+

From a C to an A in chem
“I stopped copying answers and started actually getting it. My chem grade went from a C to an A in one semester.”
Junior, Texas
3 hours → 40 minutes
“My notes turn into a quiz in seconds. What used to take me all night now takes one episode of a show.”
Sophomore, California
Finally ready for the SAT
“The plan told me exactly what to do each day. I walked in calm for the first time ever.”
Senior, New York
It never lets me skip a step
“Annoying at first, lifesaver on test day. I could do every problem without it.”
Freshman, Ohio
Better than my tutor
“It's there at midnight, it's patient, and it costs less than one session with my old tutor.”
College freshman, Florida
My streak is at 94 days
“The quests are ten minutes. I do them on the bus. Somehow I'm now the one explaining bio to my friends.”
Junior, Illinois
Spanish finally clicked
“Talking out loud with the tutor fixed my pronunciation faster than a whole year of class.”
Sophomore, Arizona
Found my gaps in one night
“The gap check showed me I'd never understood moles. Fixed it in 15 minutes.”
Junior, Georgia
Parent here: no more 9pm meltdowns
“My son gets real help without me pretending I remember calculus, and I can see his progress every week.”
Parent, Washington

From a C to an A in chem
“I stopped copying answers and started actually getting it. My chem grade went from a C to an A in one semester.”
Junior, Texas
3 hours → 40 minutes
“My notes turn into a quiz in seconds. What used to take me all night now takes one episode of a show.”
Sophomore, California
Finally ready for the SAT
“The plan told me exactly what to do each day. I walked in calm for the first time ever.”
Senior, New York
It never lets me skip a step
“Annoying at first, lifesaver on test day. I could do every problem without it.”
Freshman, Ohio
Better than my tutor
“It's there at midnight, it's patient, and it costs less than one session with my old tutor.”
College freshman, Florida
My streak is at 94 days
“The quests are ten minutes. I do them on the bus. Somehow I'm now the one explaining bio to my friends.”
Junior, Illinois
Spanish finally clicked
“Talking out loud with the tutor fixed my pronunciation faster than a whole year of class.”
Sophomore, Arizona
Found my gaps in one night
“The gap check showed me I'd never understood moles. Fixed it in 15 minutes.”
Junior, Georgia
Parent here: no more 9pm meltdowns
“My son gets real help without me pretending I remember calculus, and I can see his progress every week.”
Parent, Washington

From a C to an A in chem
“I stopped copying answers and started actually getting it. My chem grade went from a C to an A in one semester.”
Junior, Texas
Finally ready for the SAT
“The plan told me exactly what to do each day. I walked in calm for the first time ever.”
Senior, New York
Better than my tutor
“It's there at midnight, it's patient, and it costs less than one session with my old tutor.”
College freshman, Florida
Spanish finally clicked
“Talking out loud with the tutor fixed my pronunciation faster than a whole year of class.”
Sophomore, Arizona
Parent here: no more 9pm meltdowns
“My son gets real help without me pretending I remember calculus, and I can see his progress every week.”
Parent, Washington

From a C to an A in chem
“I stopped copying answers and started actually getting it. My chem grade went from a C to an A in one semester.”
Junior, Texas
Finally ready for the SAT
“The plan told me exactly what to do each day. I walked in calm for the first time ever.”
Senior, New York
Better than my tutor
“It's there at midnight, it's patient, and it costs less than one session with my old tutor.”
College freshman, Florida
Spanish finally clicked
“Talking out loud with the tutor fixed my pronunciation faster than a whole year of class.”
Sophomore, Arizona
Parent here: no more 9pm meltdowns
“My son gets real help without me pretending I remember calculus, and I can see his progress every week.”
Parent, Washington

3 hours → 40 minutes
“My notes turn into a quiz in seconds. What used to take me all night now takes one episode of a show.”
Sophomore, California
It never lets me skip a step
“Annoying at first, lifesaver on test day. I could do every problem without it.”
Freshman, Ohio
My streak is at 94 days
“The quests are ten minutes. I do them on the bus. Somehow I'm now the one explaining bio to my friends.”
Junior, Illinois
Found my gaps in one night
“The gap check showed me I'd never understood moles. Fixed it in 15 minutes.”
Junior, Georgia

3 hours → 40 minutes
“My notes turn into a quiz in seconds. What used to take me all night now takes one episode of a show.”
Sophomore, California
It never lets me skip a step
“Annoying at first, lifesaver on test day. I could do every problem without it.”
Freshman, Ohio
My streak is at 94 days
“The quests are ten minutes. I do them on the bus. Somehow I'm now the one explaining bio to my friends.”
Junior, Illinois
Found my gaps in one night
“The gap check showed me I'd never understood moles. Fixed it in 15 minutes.”
Junior, Georgia

From a C to an A in chem
“I stopped copying answers and started actually getting it. My chem grade went from a C to an A in one semester.”
Junior, Texas
It never lets me skip a step
“Annoying at first, lifesaver on test day. I could do every problem without it.”
Freshman, Ohio
Spanish finally clicked
“Talking out loud with the tutor fixed my pronunciation faster than a whole year of class.”
Sophomore, Arizona

From a C to an A in chem
“I stopped copying answers and started actually getting it. My chem grade went from a C to an A in one semester.”
Junior, Texas
It never lets me skip a step
“Annoying at first, lifesaver on test day. I could do every problem without it.”
Freshman, Ohio
Spanish finally clicked
“Talking out loud with the tutor fixed my pronunciation faster than a whole year of class.”
Sophomore, Arizona

3 hours → 40 minutes
“My notes turn into a quiz in seconds. What used to take me all night now takes one episode of a show.”
Sophomore, California
Better than my tutor
“It's there at midnight, it's patient, and it costs less than one session with my old tutor.”
College freshman, Florida
Found my gaps in one night
“The gap check showed me I'd never understood moles. Fixed it in 15 minutes.”
Junior, Georgia

3 hours → 40 minutes
“My notes turn into a quiz in seconds. What used to take me all night now takes one episode of a show.”
Sophomore, California
Better than my tutor
“It's there at midnight, it's patient, and it costs less than one session with my old tutor.”
College freshman, Florida
Found my gaps in one night
“The gap check showed me I'd never understood moles. Fixed it in 15 minutes.”
Junior, Georgia

Finally ready for the SAT
“The plan told me exactly what to do each day. I walked in calm for the first time ever.”
Senior, New York
My streak is at 94 days
“The quests are ten minutes. I do them on the bus. Somehow I'm now the one explaining bio to my friends.”
Junior, Illinois
Parent here: no more 9pm meltdowns
“My son gets real help without me pretending I remember calculus, and I can see his progress every week.”
Parent, Washington

Finally ready for the SAT
“The plan told me exactly what to do each day. I walked in calm for the first time ever.”
Senior, New York
My streak is at 94 days
“The quests are ten minutes. I do them on the bus. Somehow I'm now the one explaining bio to my friends.”
Junior, Illinois
Parent here: no more 9pm meltdowns
“My son gets real help without me pretending I remember calculus, and I can see his progress every week.”
Parent, Washington

The method

How to study Chemistry with Kuest

Chemistry rewards practice more than reading: you learn stoichiometry and equilibrium by working many problems and checking units at every step. Mix problem types, make each conversion explicit, and come back to the hard ones after a few days.

Ask what's going on at the particle levelTutor chat
Before the formula, Kuest asks what the atoms and molecules are doing, so the math has a picture behind it.
See reactions and structures drawnTeaching board
The teaching board draws Lewis structures, molecular shapes and balanced reactions step by step, next to a periodic table.
Snap your worksheet problemsSnap a photo
Photograph a stoichiometry or gas law problem and work through each conversion, with Kuest checking units as you go.
Practice mixed problem setsQuizzes
Get quizzes that mix calculations and concept questions, so you learn to choose the right method, not just repeat one.
Find your weak spotsGap finder
See whether your misses come from molar mass, balancing, units or the concept itself, and practice that part.
Sit a timed mock examMock exams
Before a unit test or the AP exam, take a practice test with multiple-choice and free-response calculations under time.

What you'll cover

Tap a topic to learn it now.

Try asking

Tap a question and Kuest starts teaching it, step by step.

Helps you prepare for

AP Chemistry
Regents Chemistry
Chemistry end-of-course exams
General Chemistry I

A month of Kuest costs less than one hour with a tutor

Same patience, any hour, every subject. Or stay on the free plan for good.

Private tutor

$40–80for one hour

Booked days in advance
One subject per session
Stops when the hour ends

Kuest Plus

$10a month, billed yearly

Every subject and exam on this site
Any hour, as long as you need
Quizzes, flashcards, podcasts and mock exams

Study on any device

Phone, tablet or laptop. Your chats, plans and flashcards come with you.

Download on theApp Store Get it onGoogle Play

Questions, answered

Keep going

Your next study session starts here

Free forever plan. No card needed.

Start free