Post sale service is non existent.
Post sale service is non existent. Class schedule is messed up. Classes are cancelled last minute without rescheduling. Once they knew you are not going to renew the package (poor management of schedule) they simply ignore you
By Lai S.
Response from Cosmo (formerly ClassUp)· Oct 10, 2026
Hi Sonia, We're sorry to hear about your experience. We understand how frustrating scheduling issues and last-minute cancellations can be, and this is not the level of service we strive to provide. We take your concerns about scheduling and communication seriously. Our commitment to supporting students and families remains the same regardless of whether they choose to renew their package. We would appreciate the opportunity to review your experience and address any outstanding issues. Please contact us at [email protected] so our team can look into your concerns and work toward a resolution. Best, Cosmo




