InAppStory offers Free Trial, but Product Stories does not.
Product Stories is designed for Individuals, Medium Business and Small Business.
InAppStory is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Product Stories Starts at $9/User/Month whereas for InAppStory Starts at $399/Month.
Some top alternatives to Product Stories includes OpenStories, SaaSFrame, Qualified, Workvivo, Blog To Social, SayHey, InAppStory, Storydoc, Slidepage, 1App, SharpDash and IFTTT.
Some top alternatives to InAppStory includes GA-Insights, Qualified, Workvivo, Offermy, Engage.so, EngageOne Communicate, Pioneer Launcher, Daily Metrics, Icebreaker time!, SharpDash, Spotlight and IFTTT.