Contact CLASS101: Learn Online

Contact CLASS101 Support


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About: South Korea's #1 online class platform. 4,000+ classes.


 
  2026-05-23

CLASS101 Customer Service 💢

Hard-to-find customer service info can be a red flag. Is CLASS101 Safe to use?

The following contact options are available: Pricing Information, Support, General Help, and Press Information/New Coverage (to guage reputation). Discover which options are the fastest to get your customer service issues resolved.



NOTE: If the links below doesn't work for you, Please go directly to the Homepage of CLASS101 Inc.



Verified email ✔✔

E-Mail: [email protected]

Website: 🌍 Visit CLASS101 Website

Privacy Policy: https://class101.net/docs/privacy

Developer: CLASS101





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3 Most reported problems 😔💔

4.6 out of 5

Videos don’t work

2025-02-03

by Verapal

The videos in the app do not work. They don’t even exist. I don’t know if it’s my class or the app but the videos just do not show up. In the browser version the videos show up but they are such low resolution that I can’t see what’s going on because everything is so blurry. I’ve used to different iPads and my phone and each has the same issue. The browser versions on the iPad also do not have the option to change the resolution so I cannot even set the resolution to 1080.

Good content but bad app

2025-02-04

by PriyanshiGee

I usually take my class on my laptop but since the videos suddenly stopped running on chrome and safari browsers I tried watching the videos through the iPad app. The app is in Korean and there are no English translations anywhere. Makes it hard to navigate even if one is familiar with the platform. Lastly and most importantly, the videos do not have English subtitles making it impossible to learn.

Seems like a nice app but..

2025-02-05

by Annabur.png

App seems nice to use, but why is this company advertising to US customers and not providing any English options for their app? The videos themselves have English subtitles, but their website UX is confusing...and sometimes after refreshing it changes to Korean with no obvious was to change language. No idea how to navigate the app itself.




Have a Problem with CLASS101: Learn Online? Report Issue




Why should I report an Issue with CLASS101: Learn Online?

  1. Pulling issues faced by users like you is a good way to draw attention of CLASS101: Learn Online to your problem using the strength of crowds. We have over 1,000,000 users and companies will listen to us.
  2. We have developed a system that will try to get in touch with a company once an issue is reported and with lots of issues reported, companies will definitely listen.
  3. Importantly, customers can learn from other customers in case the issue is a common problem that has been solved before.
  4. If you are a CLASS101: Learn Online customer and are running into a problem, Justuseapp might not be the fastest and most effective way for you to solve the problem but at least you can warn others off using CLASS101: Learn Online.


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