Nick here from Nick Cates Design and Cartloom (I handle all design for Cartloom), and admittedly am passionate about Cartloom 4
Cartloom was significantly improved in the newest version 4, placing our new level of service on par with the BEST of ecommerce solutions available, especially for RapidWeaver.
I do however understand pricing was changed, which can be jarring for current users. I'd like to explain our plans a bit better to help, as we offer a Free, no mothly fee plan now too.
If a business is making under $1000 a month, our Free plan is perfect. Free plan means, we only add a 2% transaction fee to each successful purchase.
If a business is making over $1000 a month, they'd be saving money with our Plus plan at $19 a month.
For our level of service and features, compared to Shopify, Big Commerce, etc, or pricing is low. Also, we are not done, we're still developing BIG features to add in 2017!
Our Cartloom 4 selling tools are some of the most beatiful, easy to use, and full featured out there, and can help any business make more money when used to there potential.
If the biggest factor for a business using RapidWeaver is lowest cost, a one time purhcase price of RapidCart Pro might be a better fit. But definitely try out both services, as they are quite different services in comparision.