When comparing MockFlow vs Justinmind, the Slant community recommends Justinmind for most people. In the question“What are the best mockup and wireframing tools for websites?” Justinmind is ranked 13th while MockFlow is ranked 29th. The most important reason people chose Justinmind is:
You can create reusable components that you can use over and over again.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Export to PNG, PDF, HTML
Export to PNG, PDF and HTML formats.
Pro Easy to learn
Easy to pick-up. In few minutes you can sketch your first pages.
Pro Online software
You can use it online. No download, no install, no mess.
Pro Free basic account
The free basic account give you a lot of features, all for free, forever.
Pro HTML5 rendering
Use many Bootstrap components and get the HTML5 view quickly. Sketch, see, repeat.
Pro Reusable components
You can create reusable components that you can use over and over again.
Pro Adaptive and responsive designs
You can create adaptive and responsive designs that will react to the viewport/screen size of the user.
Pro Functional prototypes
You can create HTML prototypes with full interactions.
Pro Supports low, med, and high fidelity
You can create simple wireframes, pixel perfect screens, or anything in between.
Pro Lots of online tutorials
The free Getting Started area has plenty of advice for getting started with Justinmind.
Pro Free forever
After one month trying the pro version, it changes to a completely free version with a few limitations.
Cons
Con Need a Flash plugin
Flash is a technology of the past. Unfortunately, they use it. "MockFlow requires Flash Player 10 or above."
Con Expensive
Pricing is $19 per month or $495 for a perpetual license.