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The Best Apps for a Second Business Phone Number

We tested second phone apps for business owners and professionals who need a second phone number. Apps offer different perks and have different setbacks. Here is what we found.

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The Best Apps for a Second Business Phone Number
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We’ve all been in conversations with a coworker or boss who asks for our number, and we cringe at the idea of giving them our actual phone number. What if they call on holidays and weekends? Using a second phone helps maintain more privacy between colleagues and allows for you to turn it off while keeping your main phone on. In the end, SmartLine took the cake for the best second phone line app, but read on to find out the other best apps we tested in this category.

Table of Contents

  1. 1. Apps We Selected
  2. Our Pick SmartLine Second Phone Number SmartLine Second Phone Number Runner Up Google Voice Google Voice Also Groovy Line2 - Second Phone Number Line2 - Second Phone Number Also Groovy Burner: 2nd Phone Number Line Burner: 2nd Phone Number Line
  3. 2. Everything We Recommend
  4. 3. The 411 from our Appventurer
  5. 4. Other Apps Considered
Our Pick

A great choice for business owners and professionals

  • 2nd phone number for business
    4.6 Ratings 47K+ Reviews 1M+ Downloads
    Free In App Purchases
    Free In-App Purchases
    Free In-App Purchases

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This app was our first pick for business owners or freelancers, since it's easy to use and designed with professionals in mind.

Why we chose SmartLine:

  • This app gives a 7 day free trial, and costs $9.99 a month after that, which is a good deal for the features.
  • The app has a beautiful design and interface that is easy to use and well organized.
  • You can select a number in your area code and set up a personalized voicemail.
  • Set your own business hours so that you don’t receive calls during unwanted times.

The design is appealing and the app is simple. What more could you want?

Read SmartLine's Full Review
Runner Up

Trusted and True

  • A customizable phone number in the cloud
    4.3 Ratings 365K+ Reviews 10M+ Downloads
    Free Feature Rich Fresh
    Free
    Free

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Google Voice is a great pick for people who use Google products regularly.

Why we chose Google Voice:

  • Calls within the US are free so if that is the only place users are calling, they can end up spending nothing using this app.
  • The app syncs up to your Gmail account, keeping everything in one place if you use Gmail.
  • The app does not use wifi or a data connection and runs on your monthly minutes so you don’t have to have internet access to use it
  • Great for small business owners and people who don’t want to give out their personal numbers at work.

This app has great features that make it easy to use and beneficial for small business owners and other professionals.

Read Google Voice's Full Review
Also Groovy

Synchronize with your first phone

  • Personal & business phone line with unlimited calling, MMS messaging & voicemail
    3.6 Ratings 51K+ Reviews 1M+ Downloads
    Free Fresh In App Purchases
    Free In-App Purchases
    Free In-App Purchases

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This app forwards calls to your regular phone, which keeps everything in one place.

Why we chose Line2:

  • $9.99 a month or $99 a year, which is on par with the other services we tried.
  • Settings allow you to choose to show calls in your phone’s recent list so that all the calls are together.
  • Great for people who struggle with keeping track of logs and information in an app.
  • Select a number with your zip code so callers recognize your number when you call.

This is the best pick for those who maybe aren't quite as technologically savvy or just prefer simplicity and keeping everything in one place.

Read Line2's Full Review
Also Groovy

The 2nd, 3rd, and 4th phone app

  • Second Phone Number for Anonymous Texting, Calling, and Picture Messages
    4.5 Ratings 103K+ Reviews 1M+ Downloads
    Free Feature Rich In App Purchases
    Free In-App Purchases
    Free In-App Purchases

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This app is great for those who need multiple numbers.

Why we chose Burner:

  • This app allows users to have up to 3 lines so this is great for those who run multiple businesses or side hustles.
  • Free for 7 days and then $9.99 a month after.
  • Whenever you’re done with a number, just go to the burn button and delete the number.
  • Edit the appearance by selecting a different background color for a personalized experience.

Use the app for multiple businesses and projects, and to block spam callers.

Read Burner's Full Review

Everything We Recommend

  • Our Pick
    Get a second phone number just for your business calls & texts.

    When someone calls your second phone number it rings your phone and shows you it’s a business call so you know how to answer. When you call or text through SmartLine, your customers see it as coming from your new business phone number so your personal number stays private.

    Try SmartLine free for 7 days with no long-term contract or extra equipment needed. After your free trial, you’ll pay $9.99/mo for a local number or $19.99/mo for a toll-free number.

    Get set up with your business phone number in under 5 minutes.

    Get set up in under 5 minutes and try SmartLine free for 7 days!

    More Features

    Professional Quality. Calls use your cellular connection – NOT VOIP – to give you the call clarity and reliability you need to sound professional.

    Spam Call Filtering. Answer calls with confidence because suspected spam calls are sent straight to voicemail.

    Custom Voicemail. Record a custom voicemail greeting to prompt callers to leave a message.

    Voicemail to Text. Get your business voicemail automatically transcribed to text to save you time.

    Set Business Hours. Choose when you’re available for business calls and send callers to voicemail after hours.

    Stay Organized. See your conversation history of calls, texts, pictures, and voicemail, organized by contact.

    Stay Notified. Be notified and follow up quickly whenever you have missed calls, voicemail messages, or texts.

    Number Porting. Transfer an existing 2nd phone number to use with SmartLine.

    Terms

    Currently available in the US only. Requires a SmartLine subscription. Install the app to choose your second phone number and claim your 7 day free trial (limit one per subscriber). After your free trial, SmartLine will automatically renew via Google Play, unless you cancel 24 hours before the free trial ends or before the end of the current billing period. Easily manage and cancel your SmartLine 2nd phone number at any time through your Google Play subscription settings. If you didn't purchase SmartLine through Google Play, you can manage your subscription through the GoDaddy website.
    Cost
    Free
    Free
    In-App Purchases
    $0.99 - $19.99 per item
    $9.99 - $19.99 per item
  • Runner Up

    Google Voice

    4.3 Ratings 365K+ Reviews 10M+ Downloads
    Google Voice gives you a phone number for calling, text messaging, and voicemail. It works on smartphones and computers, and syncs across your devices so you can use the app in the office, at home, or on the go.

    NOTE: Google Voice only works for personal Google Accounts in the US and Google Workspace accounts in select markets. Text messaging is not supported in all markets.

    You're in control
    Get spam filtered automatically and block numbers you don’t want to hear from. Manage your time with personalized settings for forwarding calls, text messages, and voicemail.

    Backed up and searchable
    Calls, text messages, and voicemails are stored and backed up to make it easy for you to search your history.

    Manage messages across devices
    Send and receive individual and group SMS messages from all your devices.

    Your voicemail, transcribed
    Google Voice provides advanced voicemail transcriptions that you can read in the app and/or have sent to your email.

    Save on international calling
    Make international calls at competitive rates without paying extra for international minutes with your mobile carrier.

    Keep in mind:
    • Google Voice is currently only available in the US. Google Voice for Google Workspace users is available in select countries. Check with your administrator for access.
    • Calls made using Google Voice for Android can be placed through a Google Voice access number. All access number based calls use the standard minutes from your cell phone plan and may incur costs (e.g. when traveling internationally).
    Cost
    Free
    Free
    In-App Purchases
    No
    No
  • Also Groovy
    Make phone calls using the simplest, most reliable and affordable texting and calling app. Take control of your communication with Line2 – your complete phone system for business professionals and individuals who would like a private second line. Our texting and calling app lets you seamlessly transition from cellular data to WiFi without any quality compromise.

    We make professional and personal communication easy with phone features specially designed to help you stay organized and connected with clients, customers, and other important contacts. Keep your personal and business number separate with the text and call app made to make your life more private and balanced.

    Create a local or toll-free number to stay connected anytime, anywhere and discover more features made to simplify your communication needs:

    SECOND PHONE NUMBER: choose a new vanity number or multiple phone numbers
    CALL RECORDING: automatically record all business calls
    GROUP CALL: start a conference call or group call with up to 99 callers at once
    VOICEMAIL: access voicemails from multiple devices and set up your own voicemail
    AUTO-ATTENDANT: set up auto-attendant messages to direct customers and clients to specific calling queues

    WiFi calls, SMS and MMS text are just a few taps away with Line2 – designed for individuals, business professionals, and solopreneurs.

    Experience private texting and calling with robust features made to simplify your communication channels. Setting up your new phone number is easy with Line2. Simplify and streamline your mobile phone calls and messages today.

    LINE2 FEATURES

    Multiple Phone Numbers
    - Manage your business phone number with Line2’s features that make creating one (or many!) easy.
    - Create a vanity number, texting number or second line for all of your communication needs.
    - Add multiple virtual business phone numbers to your device and receive or make calls from anywhere.

    Local and Toll-free Phone Numbers
    - Our phone call app lets you create localized and toll-free phone numbers to help you connect locally.
    - Export your existing phone number to Line2 to keep all of your communication in one place.

    Unlimited Text and Call
    - Cut the cord with expensive cellular data plans and enjoy unlimited texting and calling on Line2.
    - Unlimited VoIP call and text across the United States and Canada.
    - Get free calls and group messaging between other Line2 calling app users.

    Phone Auto-attendant
    - Guide your customers to the right calling queues like sales and support using the auto-attendant feature.
    - Add phone call on-hold music and pre-recorded call greetings for added personalization.

    No Cellular Data Needed
    - VoIP call technology lets you make and receive calls and texts from anywhere, at anytime.
    - Say goodbye to cellular data expenses and pricey hardware with Line2.

    Calling App That Does More
    - Access your Line2 voicemail, phone number and contact from your smartphone, tablet or computer.
    - Call recording lets you record calls automatically to help you keep track of important conversations.
    - Keep your phone line clear and never miss an important call with our call screening feature.
    - Call blocking and call screening with just a few simple taps.

    Sign up for our Yearly Plan and get 2 months free!
    All of our plans have a 30-day Money Back Guarantee if you are not satisfied with our services.
    Get unlimited texting and calling with Line2 when you sign up for one of our plans:
    - Monthly: $15.99
    - Yearly: $164.99 ($13.75 per month)

    Questions or comments? We’re here to help, 7 days a week at http://help.line2.com or tap Settings -> Help from within the app.

    Note: Your cellular provider may prohibit or restrict VoIP (Voice over Internet Protocol) on their network. It’s your responsibility to check with your cellular provider about their VoIP functionality, and any additional charges it may incur.

    Privacy Policy: https://www.line2.com/privacy/
    Cost
    Free
    Free
    In-App Purchases
    $9.95 - $164.99 per item
    $10.99 - $164.99 per item
    Welcome to Burner, your phone within your phone.
    We’ve rebranded & updated everything from the logo to the app interface, but we’re still the market-leading second phone number app that allows you to have multiple numbers for multiple reasons.

    We arm you with the texting, calling, and organizational tools you need to manage the various aspects of your busy life. We’re a second phone number app, sure, but at our core we’re just trying to help you navigate this wild, weird world in the easiest, safest way possible.

    HOW BURNER WORKS

    Burner is the only app that provides you with total control over your communications boundaries by providing multiple phone numbers with settings for work, life, play, and more. However, it’s so much more than just a second phone number app for calling & texting. You’re able to do so much more than text now…

    Burner allows you to use your phone with unlimited anonymous numbers. This means that you can enjoy multiple phone numbers with unlimited calling, texting, and possibilities while keeping your personal number private.

    Use Burner to:

    • Maintain your privacy & keep your number safe
    • Organize your social circles
    • Protect your anonymity
    • Communicate freely with spam blocking & muting
    • Set boundaries with do-not-disturb settings
    • Attain inbox bliss with enhanced organizational features
    • Call and text now with immediate, unlimited calling & texting

    Privacy features abound, but we’ve also enhanced our organizational features so that you’re able to incorporate Burner into your everyday life, whether you’re a solopreneur, love online dating, or simply just need multiple numbers for multiple life passions. With Burner, you can set boundaries with spam call blocking, do-not-disturb settings, and more to ensure that you’re always in control of your communications.

    Burner is free to download and free to try. Get a free 7-day trial and a real second line to try with our enhanced privacy, spam-blocking, and communication features. Additional numbers are available through subscription, making it easy to add more lines whenever you need them.

    BEST IN CLASS

    We’re not here to brag (okay, maybe a little), but we’ve been featured as a TIME Magazine Top 50 App and we’ve appeared in The New York Times, WIRED, TechCrunch, Engadget, and more.

    Why do they all love us so much? You can download the app to see for yourself, but we’ve been recognized for excellence and innovation (and the fact that we offer real numbers, not fake phone numbers or second lines that only work for a week).

    Burner is the most reliable and fully featured virtual phone number app available, boasting premium calling & texting features that include blocking, muting, and do-not-disturb settings plus the ability to easily switch lines when needed. After all, life is complicated enough. Your phone doesn’t have to be.

    THE FINE PRINT

    Privacy Policy: https://burnerapp.com/privacy
    Terms of Use: https://burnerapp.com/terms-of-service

    IMPORTANT: Phone calls use cell phone minutes. Burners are free for a trial period only — please review our pricing before purchasing. Area code availability varies. May not work with SMS shortcode services. Not for 911 emergency services. Works in the US and Canada only. Not available in Puerto Rico.
    Cost
    Free
    Free
    In-App Purchases
    $1.99 - $239.99 per item
    $1.99 - $14.99 per item
Compare All Apps

The 411 from our Appventurer

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Lou Barrett
Written by:

Lou Barrett

Lou Barrett is a queer writer who fears they're too Midwest for the big city. When they're not writing about queer culture, they're writing about books, work, and apps. They love reading, and relish any day they can camp out on their couch with a good book for eight hours. Sweet potatoes are their favorite food, any style. They love the way apps help simplify life, and make it so that we don't have to rely on our memory to get us through life and the workday. 

The Best Apps for a Second Business Phone Number

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