Based on the breakdown Kids In Mind provided, parents can decide what an appropriate age is for kids to see It. Common Sense Media, another site that looks at whether movies or other media are age-appropriate for kids, concluded that It is appropriate for children aged 15 or older.
While "IT" and "IT Chapter Two" are popular horror movies, they are not recommended for young audiences, especially for kids aged 13 and 15. These movies contain intense and graphic scenes that may not be suitable for their age group.