| Feature | Free Plan | Flexible Monthly Plan | Annual Plan |
|---|---|---|---|
| $0/month | $9/month | $29/year Best Value (equivalent to $2.42 USD/month) | |
| Access to 10 premium problems | ✗ | ✓ | ✓ |
| Dedicated priority support | ✗ | ✓ | ✓ |
| Save over 70% compared to the monthly plan | ✗ | ✗ | ✓ |
| Perfect for long-term growth & consistent practice | ✗ | ✗ | ✓ |