Start Free, Upgrade When Ready
No credit card. Try it tonight on your child's actual homework, and upgrade inside the app only when you hit a limit.
New users can try Pro free for 7 days. After that, the App Store or Google Play list price applies.
Free
HK$0
- 1 child
- 20 gradings a month (2 a day)
- 2 step-by-step solutions
- 3 lesson videos a day
- Error-pattern analysis and question bank
- 50 photos in Moments
Basic
HK$128/mo
- 3 children
- 200 gradings a month (30 a day)
- 30 step-by-step solutions (10 a day)
- 25 tutor sessions (5 a day)
- 4 growth reports (2 a day), 3 worksheets
- 500 photos in Moments
Pro
HK$188/mo
- 5 children
- Unlimited grading and solutions (40 and 20 a day)
- 75 tutor sessions (15 a day)
- 20 growth reports (5 a day), 5 worksheets
- Adaptive mastery tracking
- 2,000 photos in Moments
Ultra
HK$368/mo
- 10 children
- Everything in Pro, at 100 gradings and 60 solutions a day
- Unlimited tutor and reports (40 and 10 a day)
- 40 worksheets a month
- Priority processing
- Unlimited photos in Moments
Subscribe through your app store — Plans are purchased in the app through the App Store or Google Play. Manage your subscription in the store you used to subscribe.
What “unlimited” means — Unlimited for ordinary personal, family or tutoring use. Each plan lists its own daily fair-use caps above.
You can cancel renewal at any time. Monthly allowances reset each month; daily allowances reset at 1 am Hong Kong time.
Is the free plan right for me?
The free plan lets you try grading with 2 uses a day. Explore paid plans when you need reports, worksheets or profiles for more children.
- Grading, error analysis and the question bank: included free
- AI Tutor and teaching videos included with usage limits
- Paid plans include learning reports and worksheets
- Portfolio PDFs: watermarked on the free plan
How many family members can share a subscription?
Parent accounts and device limits depend on the plan. Children use their own sign-in details without taking a parent slot. Family members share the same child profiles and usage allowance.
| Plan | Parent accounts | Devices |
|---|---|---|
| Free | 1 | 2 |
| Basic | 2 | 4 |
| Pro | 4 | 6 |
| Ultra | 6 | 10 |
Billing questions
How do I cancel my subscription?
Cancel through the App Store on iOS or Google Play on Android. Your paid access continues until the end of the billing period.
Why can't I pay on the website?
Subscriptions are purchased in the app through the App Store or Google Play. Renewals and cancellations are managed by the store you used to subscribe. The website shows the available plans.
What do I get for inviting a friend?
Each friend who joins earns you 5 gradings, 3 solutions and 2 tutor sessions; they start with 3 extra gradings.
Is “unlimited” really unlimited?
Unlimited features are intended for everyday family use and have daily fair-use limits to keep the service reliable. Check the limits above when choosing a plan.
Your child's next homework. Sorted.
Homework help that remembers your child and grows with them — 24/7, tailored to how they learn.
Free to start · Upgrade inside the app only when you need more