Take a moment to glance down at your smart phone. How many of your apps are being used for business purposes? There are plenty of apps out there for professionals that you may not even realize exist, and they’re changing the way people do business by revolutionizing our digital workspace.

If you aren’t using these 7 apps, check them out and consider downloading.  They’ll not only offer your business an edge in an ever-changing digital landscape, but make life easier by streamlining your business processes.  And the best part: nearly all are free.

1. Google Drive – Many businesses tie their corporate emails into Google’s Gmail.  With all the functionality of the host of free Google apps and services, it makes sense to transfer documents through Google as well.  With Google Drive (which is similar to DropBox, another popular cloud storage app), you can save, send and receive documents on the go from anywhere in the world. Google Drive is a must-have for professionals to collaborate simultaneously on one document, store it and share it instantly with colleagues.

2. Expensify – Saving paper receipts is no longer a requirement when you have Expensify. This app allows you to calculate, store and share all of your business expenses in one place.  You can snap a photo of your receipts and expense them on the fly without having to worry about keeping track of them (or losing them) during business trips.

3. Square – Square has revolutionized the way that small businesses operate.  With a free credit card reader, Square allows any small business to receive credit card payments with ease from a smartphone.  Square also allows you to make payments and ties easily into PayPal and other accounts.

4. TurboScan – Scanning and sending documents is a crucial task for professionals, but it’s time-consuming. TurboScan eliminates the hassle and increases your productivity by allowing you to to scan documents using your smartphone. The app auto-detects edges of the paper, and will help you fine-tune the dimensions of the document, with results that are on par with what you’d expect from a traditional scanner.

5. Evernote – With Evernote, you can record save and organize anything and everything, from ideas, things you like, things you hear, and things you see.  Evernote allows you to take photo notes, audio notes or written notes that can be grouped together in meaningful ways to keep you inspired and organized.

6. CamCard – Capture the contact information of business associates and leads with just a few taps. Again, no more worrying about keeping track of business cards and no risk of losing potentially valuable information. CamCard is a great option because of it’s astounding accuracy in not only detecting the text on the card using OCR scanning technology, but taking it a step further by adding a new contact to your phone and filling in standard fields (email address, mobile and work numbers, etc).

7. Twitter – Obviously Twitter is not new, but Twitter continues to revolutionize business.  Business handles on twitter offer customers the ability to get information and responses in real time.  Many businesses are using live tweeting to give customers immediate access to answers and information, and several great stories are circulating online about companies addressing customer emergencies through Twitter (particularly in situations like Hurricane Sandy).  With the Twitter app, businesses can do this on the go.