When comparing Kupfer vs Copy 2 Online, the Slant community recommends Kupfer for most people. In the question“What are the best clipboard managers for UNIX-like systems?” Kupfer is ranked 5th while Copy 2 Online is ranked 11th.
Ranked in these QuestionsQuestion Ranking
Pros
Pro It's the fastest
Pro Quick launch with a shortcut
You can activate the launcher with a shortcut and write into it.
Pro Free/Trial account
You can use this application during 7-days as a free user.
Pro Speed
Strong searching ability and fetch data.
Pro User-Friendly
Pro Online
Cloud based then access from any devices.
Pro Search Window by pressing Alt+Space
Really user-friendly.
Pro Free usage
Free accounts can open multiple session and share the data between devices. For the paid users, there are many ability while managing copy history and opening the much more sessions.
Pro Promo-Code Section
Nowadays, they have promo-code to have discount. Promo-code is "C2O100".
Cons
Con Freemium
Free version is limited to :
Copy 100 characters at once
See last 10 copy history
Up to 2 sessions