Explain Math

Pricing

Simple, transparent plans — you always know what you’re paying for. Upgrade when you need more, and cancel anytime.

Billing period
-40%
Save 40% with annual billing.
First release promo

Unlock 50% OFF before June 1

Launch offer for Plus / Pro monthly plans: secure your lower monthly rate now and keep learning for less.

Promo monthly discount50%
Lifetime discounted rate after activation
Promo code: WELCOME2026

Offer ends on June 1. After that, monthly plans return to the standard rate.

Free

$0 / month
  • Unlimited catalog topics
  • Misconception
    1× per topic
  • Quick-check
    1× per topic
  • Worked Example
    1× per topic
  • Solve-task (AI solve + AI check)
    5 lifetime total
  • Unlimited tests
  • Unlimited saving & history

Plus

$11.99 / month
$143.93 billed annually
  • Unlimited catalog topics
  • Custom topics
    20 / month
  • Explanation refinements
    1× per topic (shared)
  • Misconception
    Multiple
  • Quick-check
    Multiple
  • Worked Example
    Multiple
  • Solve with AI
    20 / month
  • Check your solution with AI (and explain mistakes)
    40 / month
  • Unlimited tests
  • Unlimited saving & history

Pro

$17.99 / month
$215.93 billed annually
  • Unlimited catalog topics
  • Unlimited custom topics
  • Explanation refinements + deeper insights
    Multiple
  • Misconception
    Multiple
  • Quick-check
    Multiple
  • Worked Example
    Multiple
  • Worked Example difficulty
    Adjustable (1–10)
  • Unlimited Solve with AI
  • Unlimited Check your solution with AI (and explain mistakes)
  • Unlimited tests
  • Unlimited saving & history

Full breakdown

“Per topic” limits apply separately for each topic. “Refresh” means regenerating the result. Free solve-task limit is lifetime (shared pool). Plus monthly limits reset monthly on your subscription anchor date.

IncludedFreePlusPro
Explain a topic
Catalog topicsUnlimitedUnlimitedUnlimited
Custom topicsNot included20 / monthUnlimited
Explanation refinements: "Explain simpler"Not includedShared limit: 1× per topic ("simpler" or "again")Multiple
Explanation refinements: "Explain again"Not includedShared limit: 1× per topic ("simpler" or "again")Multiple
Explanation refinements: "Go deeper"Not includedNot includedMultiple
Misconception
1× per topic
no refresh
3× per topic
initial + 2 refresh
3× per topic
initial + 2 refresh
Quick-check
1× per topic
no refresh
3× per topic
initial + 2 refresh
3× per topic
initial + 2 refresh
Worked Example
1× per topic
no refresh
3× per topic
initial + 2 refresh
3× per topic
initial + 2 refresh
Worked Example difficulty (1–10)Not includedNot includedIncluded
Solve a task
AI solve
5 lifetime total
shared with AI check
20 / monthUnlimited
Check your solution with AI (and explain mistakes)
5 lifetime total
shared with AI solve
40 / monthUnlimited
Take a test
Take a testUnlimitedUnlimitedUnlimited
Saving & History
Save materials & historyUnlimitedUnlimitedUnlimited