Each week PSFK features many new and innovative apps. To give the best their due, we’ve compiled a roundup of the most interesting and creative apps written about on the site this past week:

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Merge Your Photos To Create Interactive 3D Memories

What if you could give your photos a little bit more depth? We’re not talking emotional depth but an actual third dimension. Stilla is a new “3D photo” app for the iPhone that let’s people create navigable 3D environments from a series of photos they take within the app.

Mobile Fashion Marketplace Connects Consumers Looking To Swap Clothes

In preparation for the release of our upcoming Future Of Retail report, we reached out and spoke to Poshmark–a mobile application that coordinates peer-to-peer second-hand clothing shopping online. Shoppers can upload clothing from their personal collections, shop from posted items, and follow others with similar taste while Poshmark facilitates all payment transactions within its application.

Foursquare-Based App Helps The Visually-Impaired Navigate Through Cities

BlindSquare is a new app that helps the visually-impaired population find their way to popular spots on Foursqaure.

Fashionistas Photo Check-In With Brands On Their Smartphones

Tagbrand is a website and app that allows users to tag brands and clothes and unites them in a dedicated community. Once registered on the website, users can start taking photos of themselves, tagging brands of their things, making brand-ins (an analogy to check-ins), looking at other people’s clothing.

Social Activity App Matches Recommendations To User’s Personality

Baltimore, Maryland, duo Dan Sines and Josh Spears created an app called Woofound that suggests things user may like to do based on their personalities.