The mobile payments company Square has just acquired the photo organization app Viewfinder.

The well-known electronic payment company Square has just issued a major update to the official iOS app of its flagship service, Square Register.

Version 3.2 also adds iPad support for Bluetooth receipt printers.

Apple retail stores will begin selling the Square Stand July 9.

Square Wallet, the popular mobile payments app, has just received an update to version 3.0.

Square has just announced a new product called Square Stand.

Square Register, the point-of-sale app that works alongside the Square credit card reader, has just been updated to version 3.0.

Accepting credit or debit cards on your iPhone without a card reader is now possible with the Flint Mobile Pay app.

Square Wallet users can now send digital gift cards to anyone in the United States.

You'll now receive $5 just for trying LevelUp, the pay phone app.

This week, Apple continued to distance themselves from Google, just as Starbucks and Square got closer. Meanwhile, the original iPhone made some interesting news, as did Conan O'Brien.

Square has just announced a massive partnership with Starbucks that will see the iPhone-compatible mobile payments solution appear in 7,000 coffee shops nationwide, this fall.

Beginning today, SalesVu is offering mobile payment customers new tools. SalesVu Version 2.0 for the iPhone and iPad is now live in the App Store.

Square's wireless payment app has a new name and look but still allows consumers to make purchases with their iPhones.

For PayPal, it's apparently hip to be like Square.

Register for iPad brings an elegant solution to mobile transacting.

For some retailers, the holiday season can represent anywhere between 25-40% of annual sales, according to the National Retail Federation. Increasingly, a large chunk of that cash is generated by purchases made on smartphones such as the iPhone. Here are some of the ways the iPhone is changing how each of us spends, carries, and yes, even saves money.

This year, The Salvation Army is looking to tap into the full potential of our wallets by accepting credit card transactions with the new Square Reader and app.

Square brings new features to its popular mobile payment app.

Arriving in Square Card Case v1.1 is a new hands-free feature for those who've moved to iOS 5, some additional management options, a few previous feature improvements, and more.

We know this isn’t real, but this YouTube video suggests another way the popular Square payment app is changing how money changes hands. In this case, the transaction is being done on the streets, between a street worker and her client.

The new Square Card Reader means saying goodbye to cash and credit cards. How cool is that!

Here are what we consider the best iPhone apps of the last week. But, which one was the absolute best?