When comparing Backand vs Synchronise, the Slant community recommends Backand for most people. In the question“What are the best cross-platform realtime Backend as a Service (BaaS) tools?” Backand is ranked 4th while Synchronise is ranked 6th. The most important reason people chose Backand is:
If you sign up before the official pricing is announced, you can get a "free-forever" account. It's limited to 500 connections and 10GB data transfer per moth though.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Possibility to get a free forever account
If you sign up before the official pricing is announced, you can get a "free-forever" account. It's limited to 500 connections and 10GB data transfer per moth though.
Pro Offers a free account with 10K requests
Users have the possibility to invite friends and get 10K/referral.
Pro JavaScript and Node.JS client library available
Pro Saves lots of time by avoiding to rewrite code that already exists
Cons
Con No official pricing announced
On their pricing page in their official website, it's said that Backand will announce their pricing by fall 2015 but as of December 2015 it has not been announced yet.