COSS is made and published by 5FEEDBACK. AppBrain is an independent app data site and isn't affiliated with 5FEEDBACK. The app name, icon, screenshots and description belong to 5FEEDBACK and are shown as published on the App Store.
About COSS
COSS is an education app developed by 5FEEDBACK.
What is the rating of COSS?
COSS has no ratings yet.
Is COSS free?
COSS is free. The app size is 40.05 MB. The latest version available is 2.8.2. The last update was on January 20, 2026.
What are the requirements for COSS?
The app has a content rating of Everyone. The app has been available on the App Store since June 2021.
| Price | Free |
| Rating | No ratings |
| Ranking | Not ranked |
| Version | 2.8.2 |
| App size | 40.0 MB |
| Suitable for | Everyone |
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App Store Rankings for COSS
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Frequently asked questions about COSS
Is COSS free?
Yes. COSS is free on the App Store.
Is COSS still available?
Yes. COSS is on the App Store, and the last update we saw was on January 20, 2026.
How large is the COSS download?
COSS is 40.05 MB to download.
Is COSS suitable for children?
App Store rates the content of COSS as suitable for everyone.
Who made COSS?
COSS was developed by 5FEEDBACK. It is listed in the education category on the App Store.
What are the best alternatives to COSS?
People looking at COSS also look at these education apps: Web School Factory, MyESSEC, Ward, Pegasus Education App, Edusign Student.