DO Apps platform in terms of pricing is as bad as Heroku's offering. They charge per instance of the process and it becomes pretty expensive. Appliku helps to reduce costs by putting processes on a single server.

With Heroku Config Vars sync feature one of the customers managed to save around $7k/mo on fat Dynos that are insanely overpriced in Heroku.

So while DO Apps platform will definitely have their target audience, Appliku allows to save a lot of cash.

Hope I was able to answer your question :)