I have tried many similar tools(free plan) but interface here is so straight forward that I am like slicing butter on bread, so many bread one by one, as simple as that. I was waiting for direct Instagram scheduling and it is now with Zapier, thought it works seamlessly once you integrate it with Zap.
This is a no-miss, no-brainer, no-wait deal. If you have don't have use case for it now, I would suggest to stack it for future.