Free prototyping and collaboration tool for design teams

Feedloop Infinite Loop


The challenge

Creative teams struggle to efficiently communicate design ideas and get feedback to designs from their clients. We wanted to create a tool that will allow teams of designers and developers to efficiently work together and cooperate with clients to deliver extraordinary user experiences.

Web application

Ruby on Rails web application with Backbone.js frontend.


List of all available projects created by or shared with current user - starting point of Feedloop application

Feedloop Projects

Design feedback

Project browser, implemented using backbone.js + Marionette, allows users to leave instant feedback to visuals shared via Feedloop

Feedloop Design feedback


Comment mode allows to keep all project conversations in on place and assing to designers or developers

Feedloop - Collaboration

Live prototype

Get high-fidelity prototype in minutes, uploaded files can be connected to create live prototype for desktop or mobile devices

Feedloop - Live prototype

Interface elements

When it comes to user interface and experience we pay strong attention to details - thus every element of interface has been carefully designed


  • Ruby
  • Ruby
    on rails
  • ember.js
  • postgres
  • HTML5
  • CSS3
  • JavaScript


From the inception phase to the very last mile. While working on Feedloop web and mobile applications Infinite Loop team was reponsible for specification, planning, ux/ui design (wireframing, prototyping, visual designs), web development (Ruby on Rails) and mobile development (iOS, Android).

Our Process

Unique product development process

The key word is passion! Beyond that, you simply have to know how to structure, design and prioritize. Our key advantage is our unique product development process. At the end of the day, what matters to our customers is to get high-quality, imaginative, fault-tolerant software. And that’s exactly what we’re here for.

Ready for a big project?

Our best work gets done when we work closely with you. We believe our partner should be involved in a project at every stage - from the inception up until last mile.

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