The number of Spam Calls being made to mobile phones and landlines is on the rise around the world. A study by Truecaller shows the U.S. is the second most affected country by spam calls, with users, on average, receiving 20.7 nuisance calls each month. For small businesses, frequently being interrupted by spam calls to mobile phones wastes valuable time. Fortunately, apps are available to block nuisance calls to your mobile phone. Take a look at the following 10 best call Blocker App options for a small business user. Best Call Blocker App Options Call Blocker The Call Blocker app puts you in control of your iPhone by allowing you to identify, block and report suspicious phone numbers. By joining Call Blocker’s growing community, this app helps you avoid spams and pesky telemarketers, which waste your time. You can download this simple-to-use call blocking app for free on Google Play and the App Store. Sync.ME What’s different about this call blocker app is that as well as identifying unknown phone calls and warning you of annoying spam calls, its adds a caller picture to your contacts from Twitter, Facebook and Google+, meaning you can identify calls made by your contacts in an instant. With the Sync.ME Widget, you can quickly identify unknown phone numbers without even having to open the app. Sync.ME is free for both Android and iOS. Call Control Call Control is a free community-based blacklist and call blocker app, which automatically blacklists and blocks thousands of spam callers and robocalls in an instant. You can also block calls from unknown and private callers, filter SMS texts and place a Do Not Disturb mode on calls. Furthermore, calls are blocked silently so you won’ be interrupted from business tasks. Call Control can be downloaded from the Play Store and the App Store. Mr. Number As well as blocking unwanted calls, Mr. Number identifies and stops scam, spam and fraud. The app can block calls and SMS texts from an individual person, an area code or the whole world. Mr. Number can also intercept calls from unknown/private numbers and…