Snap it. Learn it. Keep it.Homework that ends.
Misses that return.
Concepts you struggle with come back for practice before your test.
Snap the confusing part. Sugar guides you without dumping the answer, then brings back the step you missed.
Start free — no card required.
Ages 13+ · Parent approval for 13–17
Start free · No card required · Nothing is charged when the 14 days end
Drop the part that makes zero sense.
Create your free account to open chat — your question carries over and Sugar answers it there.
Start with a question
Notes from students who tried LemonSugar Ai
Notes from students who tried LemonSugar Ai. “It makes studying more interactive and helps you retain information through recall instead of just reviewing notes.” — University of Georgia. “I’d recommend it as is. It’s a great site and easy to use — other college students would love it.” — University of Maryland at College Park. “The practice questions were very helpful — not too simple, not confusing — and the explanation was thorough.” — University of California, San Diego. “I loved the explanation after getting a problem wrong — that’s where my aha moment came from.” — George Washington University. “It really helped me understand the concept I was stuck on.” — Albany State University. “After I clicked try again, I got a much simpler explanation that finally made sense.” — Stanford University. “It helped me put my knowledge to use — everything started to make sense.” — University of California, Los Angeles. “I loved how it let me actively recall what I studied by creating a quiz.” — University of Waterloo. “Most useful was the practice quiz.” — Arizona State University. “It’s made for studying — and as a student that’s the most helpful for me.” — Southern Methodist University. “It summarized the topic so easily and gave me an understandable rundown.” — Ohio University. “It responds super fast with detailed steps.” — Texas A&M University. “Very educational and more focused toward college students.” — University of Florida. “It helped me understand this electrical engineering problem.” — Auburn University. “The prompt format and diagram explained the topic clearly.” — University of British Columbia. “It was explained in a way that was much more helpful than my lecture notes.” — University of Washington. “The Guide me feature — the best version of something similar I have used.” — Montclair State University. “It gave me a very clear answer that helped with my school work.” — Ohio State University. “It’s very easy to use and actually helpful.” — University of Alabama. “The most useful was the practice quiz.” — Lehman College, CUNY. “I found the flash card option to be most useful.” — Youngstown State University. “It’s not just a straight answer — it explains step by step.” — University of Illinois Urbana-Champaign. “The fact that it walks you through problems.” — Rider University. “I found its explanations the most useful.” — Indiana University. “The recall tool.” — University of Texas at San Antonio. “It wasn’t just questions and answers — it was questions, learn, apply, and a thorough explanation.” — University of Florida. “Most useful was the detailed answer.” — Howard University. “The most useful was the detailed answer.” — University of Miami. “I’d recommend this because it helps explain topics that are hard to understand on your own.” — Touro University California.
“It makes studying more interactive and helps you retain information through recall instead of just reviewing notes.”
— University of Georgia “I’d recommend it as is. It’s a great site and easy to use — other college students would love it.”
— University of Maryland at College Park “The practice questions were very helpful — not too simple, not confusing — and the explanation was thorough.”
— University of California, San Diego “I loved the explanation after getting a problem wrong — that’s where my aha moment came from.”
— George Washington University “It really helped me understand the concept I was stuck on.”
— Albany State University “After I clicked try again, I got a much simpler explanation that finally made sense.”
— Stanford University “It helped me put my knowledge to use — everything started to make sense.”
— University of California, Los Angeles “I loved how it let me actively recall what I studied by creating a quiz.”
— University of Waterloo “Most useful was the practice quiz.”
— Arizona State University “It’s made for studying — and as a student that’s the most helpful for me.”
— Southern Methodist University “It summarized the topic so easily and gave me an understandable rundown.”
— Ohio University “It responds super fast with detailed steps.”
— Texas A&M University “Very educational and more focused toward college students.”
— University of Florida “It helped me understand this electrical engineering problem.”
— Auburn University “The prompt format and diagram explained the topic clearly.”
— University of British Columbia “It was explained in a way that was much more helpful than my lecture notes.”
— University of Washington “The Guide me feature — the best version of something similar I have used.”
— Montclair State University “It gave me a very clear answer that helped with my school work.”
— Ohio State University “It’s very easy to use and actually helpful.”
— University of Alabama “The most useful was the practice quiz.”
— Lehman College, CUNY “I found the flash card option to be most useful.”
— Youngstown State University “It’s not just a straight answer — it explains step by step.”
— University of Illinois Urbana-Champaign “The fact that it walks you through problems.”
— Rider University “I found its explanations the most useful.”
— Indiana University “The recall tool.”
— University of Texas at San Antonio “It wasn’t just questions and answers — it was questions, learn, apply, and a thorough explanation.”
— University of Florida “Most useful was the detailed answer.”
— Howard University “The most useful was the detailed answer.”
— University of Miami “I’d recommend this because it helps explain topics that are hard to understand on your own.”
— Touro University California
How it works
Ask → understand → practice → remember. In your language, on your phone.
- Step 1Ask
Snap a problem, type a question, or ask out loud — in any language.
- Step 2Understand
Sugar explains it your way: direct, Socratic hints, or Feynman-style.
- Step 3Practice
Turn the explanation into a quick quiz or flashcards, so you use it instead of copying it.
- Step 4Remember
Sugar keeps what you got wrong and brings it back before the test.
One problem, end to end.
An illustrative example of a single night — the screens below are mock-ups, not a real student’s work.
- 01 — TonightMath 302Solve for x:
3x² − 12 = 0Ask SugarBring the problem
Snap it or type it. One problem is enough to start.
- 02 — GuidedGuide meBoth terms share a factor of 3. What happens if you divide the whole equation by 3?You: x² − 4 = 0Sugar: good — now what two values square to 4?
Get the next step, not the answer
Guide me gives one hint at a time, so you do the thinking. Explain and Answer are there when you need them.
- 03 — PracticePracticeSolve for x:
2x² − 18 = 0Your answer…Check itTry one on your own
A short practice question on the same method, right after the explanation — so you use it instead of copying it.
- 04 — ReturnsDue todayDifference of squaresSaved from: 3x² − 12 = 0Solve for y:
5y² − 45 = 0Prove itThe idea comes back
Anything you missed is saved with a review date and returns when it's due — the first one usually the next day, then at wider spacing.
20 messages a week covers normal homework. It does not cover the week before a test — lift the weekly cap before your next exam.
Two plans
| Feature | Lo-FiFree — 20 messages a week | Thrifty Best$99/year — first 14 days free, no card |
|---|---|---|
| Price | $0 | $99 / yearAbout $8.25 a month — less than one hour with a human tutor. Monthly ($14.95) also available. |
| Messages | 20 / week | 750 messages / month |
| Syllabi | 1 course | Every course you take |
| Uploads | 3 files / prompt | Slides, PDFs, voice |
| Exam countdowns | — | Every test on a countdown, review scheduled backwards from the date |
| Test prep | — | SAT · ACT · AP · MCAT · GRE — timed mocks + weak-area drills |
No card to start · Cancel anytime · 30-day money-back
Students aged 13–17 are never asked for a card — a parent approves the account and pays. Adult students (18+) can pay for themselves.
Frequently asked calm.
Clear answers for parents and students.
