Pricing
Most of kids51 is free and stays free. Family Plus is one subscription for the whole family, for parents who want progress tracking and personalized practice.
Free
$0
No account, no card, no ads.
- All multiplication games, flash cards and War
- Times tables test and timed drills
- Printable charts and worksheets with answer keys
- Chore chart maker, chores by age, allowance calculator, routines
- Progress stays on your device
Family Plus
Coming soon$5.99 / month
or $39 / year, about $3.25 a month
- Up to 4 kids on one plan (nickname + avatar only)
- Knows / shaky / new map for every fact
- Mix-ups list and worksheets built from mistakes
- Progress saved across devices
- Weekly parent email Coming soon
Checkout is not open yet. No card needed for the trial.
How billing works, plainly
7-day trial, no card
Try everything. If you don’t subscribe, the trial just ends. No surprise charge.
Reminder before renewal
An email 7 days before each monthly renewal, and 30 days before each annual renewal.
14-day refund
Changed your mind? Ask within 14 days of a charge and we refund it.
Cancel in 2 clicks
From your parent dashboard. No phone calls, no “are you sure?” maze.
One plan, whole family
Up to 4 kids. No per-child pricing.
No ads, either way
Free or paid, kids never see ads on kids51.
Full terms: Subscription, refund & cancellation policy · Terms of Service.
Pricing questions
Do I need a card for the free trial?
No. The 7-day trial starts without a card.
How many children does Family Plus cover?
Up to 4 children on one subscription.
Will the free tools stay free?
Yes. The free games and printables are not a trial.
Is there a plan for teachers?
Not yet. All classroom tools are free, and a class code is in development. See teachers.