The games are free.
The games are free, with no ads and no in-game purchases. A $9.99 lifetime membership unlocks access to learning insights and analytics on extracreditmath.org. One payment covers every child in your family. Free for teachers. Verify with a school email, or ask us.
Pricing details.
$9.99 once, for every child in your family. The first 30 days are free, starting with your child's first answer. After that, the games keep working and the website keeps the fact map; history, reports and the weekly email need the membership. Buy it from your Account page after you sign in. Refunds within 14 days by writing to support@choordinator.com.
Read the Terms of Service and the refund policy.
The games
$0
The games are free, with no ads and no in-game purchases. They work with no internet.
Your child's math settings
$0
Set the grade, question types, answer time, number line, read-aloud and typing for each child, and bring a saved game to a new phone. Free, with or without the membership.
Learning insights
Family membership
$9.99 lifetime
$9.99 lifetime membership. Try free for 30 days. One payment unlocks the insights and analytics for every child in your family. Settings are free either way. It is not a subscription.
Teachers
$0
Free for teachers. Verify with a school email, or ask us.
What you see, and when.
- During the free trial
- Free
- Everything: the fact map, learned this week, facts for tonight, progress over time, trouble spots, and play sessions.
- After the trial, without the membership
- Free
- What your child practiced this week, and every setting for your child. The games keep working.
- Lifetime membership
- $9.99
- Everything, for every child in your family.
- Teachers
- Free
- Everything: classes, insights for each student and for the whole class, facts learned this week, progress over time, play sessions and a printable sheet to send home.