The AI study companion that remembersHomework that ends.
Misses that return.
Sugar keeps what you got wrong and brings it back tomorrow — and again before the test. The after-dinner loop, finally closed.
Ask me anything you're stuck on.
Create your free account to open chat — your question carries over and Sugar answers it there.
Start with a question
“I’ve tried many different AI learning tools, but LemonSugar Ai really stands out. Any topic I’m still trying to understand, I have a personalized tutor to help me through it.”
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.
Three beats only.
3x² − 12 = 0
Stuck homework
Snap it. Sugar guides you to the answer without giving it away.
for today.
Close the book
No endless chat. Once tonight’s problem is solved, the app stops.
5y² − 20 = 0
The miss returns
Tomorrow, a variation of what you struggled with comes back to cement it.
Three beats only.
Get stuck, get guided, get done. Tomorrow, prove you learned it.
- 01 — TonightStuck homework
Snap the problem that's blocking you. Sugar doesn't hand over the answer — it walks you through the thinking until it clicks.
- 02 — DoneClose the book
This isn't an endless chat app. Once tonight's work is solved, you're done for today. Go eat dinner.
- 03 — ReturnsThe miss returns
Tomorrow, Sugar brings back a fresh version of exactly what you missed. Prove you've got it and it clears.
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 Best14-day free trial, then $99/year |
|---|---|---|
| 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 passes / 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 |
Cancel anytime · 30-day money-back · Parents pay, students never do
Frequently asked calm.
Clear answers for parents and students.