The best alternatives to Snug for Instagram are Latergramme, Elfeed.net, and Skippr. If these 3 options don't work for you, we've listed a few more alternatives below.
What do you think of Snug for Instagram?
Haggle — A CTA buyers want to click, when they aren't ready to demo
Intelligram will tell which of your photos are likely to receive more likes in Insta and which ones are not. Take photos -> Use Intelligram to get feedback -> Share if it's good :)