There is just no comparison in a way, Litmus offers a much greater range of features, from builder to previews accross various clients. Mailchimp only seems to allow very simple features compared to what Litmus itself has to offer.
I found that Litmus was able to give a more in-depth review and feedback on accessibility issues in my campaigns, whereas SendForensics lacked any helpful features for this purpose. Litmus' features have helped us better serve all our clients' customers.
I haven't used another service similar to Litmus before, but would be very happy to recommend it and I do not feel the need to evaluate other products.
We currently use both Everest and Litmus. In my opinion, the way our team uses Litmus would rank in second place compared to Everest. Everest not only reports on deliverability, feedback loops, spam traps, block listings, domain and IP reputation, and so much more, but it also …
I’ve used Sailthru’s testing feature in the past, however it was always in conjunction with Litmus as they have features that Sailthru doesn’t , such as reviewing inline, and a design library that was used as a repository.
As previously mentioned, we use Intercom (5/10), we also use Campaign Monitor (7/10) as well as Unbounce (6/10). All form different functions to Litmus of course, which I would rate 8 or 8.5/10 :)
Litmus has a stronger industry wide reputation and is more widely used across larger marketing teams. The overall capabilities, product enhancement and tool set far exceeds the capabilities of our tools I have evaluated before. Litmus is always coming out with new product …