When comparing Leap vs Instant.io, the Slant community recommends Leap for most people. In the question“What are the best Torrent clients?” Leap is ranked 17th while Instant.io is ranked 33rd.
Ranked in these QuestionsQuestion Ranking
Pro Built-in search
Pro Straightforward interface
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 Not effective
Add a torrent and it gets stuck on log.
Con Bad UI
User interface is plain and cluttered.
Con Unable to Multi download torrents
Only single download supported.