We sell a Software as a Service with a monthly subscription, I’m trying to figure out if we can provide metadata through Schema.org’s specifications. I have been considering pro
I was struggling with this too. We develop SEO tools, web based applications and have 3 plans, each in annual and monthly version, and also a free plan. I totally recommend you to include also a free plan as it will display in SERP as a FREE product. If you don't the lowest price will display in SERP. However I have end up with the following solution:
With this code you will get something like this:
Please note that if you markup product on a main homepage, it will not appear in SERP. Google accepts structured data only for leaf pages.
I also wrote a quick case study about this problem on our blog.