When comparing Leap vs KTorrent, the Slant community recommends KTorrent for most people. In the question“What are the best Torrent clients?” KTorrent is ranked 11th while Leap is ranked 17th. The most important reason people chose KTorrent is:
Even if you have 500+ torrents, KTorrent works without any issues.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Built-in search
Pro Straightforward interface
Pro Works great even with a high number of torrents
Even if you have 500+ torrents, KTorrent works without any issues.
Pro Good UI
KTorrent has a neat and minimal UI.
Cons
Con Adware
Softpedia labels Vuze as adware due to including the Vuze toolbar and install promotional software.
Con Inappropriate Tor Implementation
Vuze includes Tor-support which is inappropriate for torrenting as clogs volunteer's bandwidth and exit nodes by default block standard BitTorrent ports.
Con Only Supports Windows
Does not support other operating systems.
Con Not Open-Source/Libre
Is proprietary software.
Con Inactive Development
Latest release is from 2017.
Con Requires KDE dependencies
This is somewhat inconvenient if you're not on KDE.