Odd and snowball mathematics should not be directly compared. Mr. Aude speaks very well, with strong understanding and logic, comprehensive learning content and high quality; Snowball Mathematics has many learning resources, and you can learn more mathematics knowledge more efficiently through software. Professional teaching methods can better cultivate users' interest in learning, stimulate learning motivation and improve online efficient learning. It's easy to learn more, and it helps you to learn more math knowledge on your mobile phone at any time.