Where YouGov differs
YouGov is strongly associated with public opinion and polling-style research, so it may appeal to people who like current affairs and social topics.
Where Ipsos iSay differs
Ipsos iSay is part of a broader research group and is often considered by users comparing established market research panels.
Who may prefer YouGov
You may prefer YouGov if you want an opinion-led panel and are comfortable waiting for profile-matched invitations.
Who may prefer Ipsos iSay
You may prefer Ipsos iSay if you want to compare a recognisable research panel with reward options described in official materials.