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Best Smart Caller Business Nox Apps

208+ iOS apps curated and reviewed

4.1 avg rating
20 free apps
Updated May 2026

Out of 208+ smart caller business nox apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Top Picks for Smart Caller Business Nox

SmartLine Second Phone Number#1

SmartLine Second Phone Number by GoDaddy.com, LLC

2nd phone number for business
Editor's Choice
πŸ’Ό Business
4.7😞(44K ratings)
FreeIn-App Purchases
SmartLine Second Phone Number screenshot 1
SmartLine Second Phone Number screenshot 2
SmartLine Second Phone Number screenshot 3
SmartLine Second Phone Number screenshot 4
SmartLine Second Phone Number screenshot 5

SmartLine provides a second phone number for your business, ensuring professional communication separation. It offers features like professional call quality, spam call filtering, custom voicemail, and more. Stay organized, set business hours, and manage your business calls efficiently. Get SmartLine now and enhance your business communications.

What We Love

  • πŸš€ Convenient business line
  • πŸ“ Stores call/text history
  • ⏱️ Ability to set business hours

Room to Improve

  • πŸ› Unreliable text messaging
  • πŸ“ž Missed/dropped calls
  • πŸ”” Delayed/missing notifications
Quo (formerly OpenPhone)#2

Quo (formerly OpenPhone) by OpenPhone Technologies Inc

Business calling and texting
Strong Contender
πŸ’Ό Business
4.4😊(11K ratings)
FreeIn-App Purchases
#55in Business
Quo (formerly OpenPhone) screenshot 1
Quo (formerly OpenPhone) screenshot 2
Quo (formerly OpenPhone) screenshot 3
Quo (formerly OpenPhone) screenshot 4
Quo (formerly OpenPhone) screenshot 5
Quo (formerly OpenPhone) screenshot 6

This application provides teams with a comprehensive phone system, offering features like unlimited calling and texting, a lightweight CRM, integration with various platforms, and exceptional customer support. Users can easily manage business communications, keep personal and business numbers separate, and try it for free for 7 days. Get started in minutes with no long-term commitment.

What We Love

  • πŸš€ Great phone
  • πŸ‘ Fantastic App
  • πŸ‘ Great app!
  • πŸ‘ Great service

Room to Improve

  • πŸ”‡ Unable to mute individual numbers
  • πŸ› SMS notifications don't alert sometimes
  • πŸ”’ Forced to let AI read all of our messages
Getcontact#3

Getcontact by GETVERIFY LDA

Caller ID & Spam Blocker
Worth Considering
πŸ”§ Utilities
4.4😞(59K ratings)
FreeAdsIn-App Purchases
Getcontact screenshot 1
Getcontact screenshot 2
Getcontact screenshot 3
Getcontact screenshot 4
Getcontact screenshot 5

Manage your calls more efficiently with this app that helps identify unknown numbers, block spam calls, and organize your contacts easily. Stay in control of your communication with just a few taps. Download now to simplify your call management experience.

What We Love

  • πŸŽ‰ Useful for blocking scam calls
  • πŸ‘ Easy to use and navigate
  • πŸš€ Effective at identifying and blocking spam calls

Room to Improve

  • πŸ”’ Privacy concerns, app accesses contacts
  • πŸ› Bugs and glitches, app not working as expected
  • πŸ”’ Concerns about personal information being shared

More Smart Caller Business Nox apps to explore

4
ViewCaller: Caller ID
ViewCaller: Caller ID
ViewCaller: Caller ID
Identify unknown calls & spam
Free

ViewCaller is a caller identification app that helps users identify unknown calls. Stay informed about incoming calls with ease. Download now to never miss important calls again!

πŸ”§ Utilities
(729)
5
Real Caller : Caller id
Real Caller : Caller id
Real Caller : Caller id
Number Lookup - Phone Numbers
Free

An application that allows users to create profiles in a directory for others to search and connect with, block unwanted calls, and communicate via instant messaging. Users can subscribe to unlock premium features like enhanced search options. Visit the website for more information on privacy policy and terms of use.

πŸ”§ Utilities
(3.3K)
6
Me - Caller ID & Spam Blocker
Me - Caller ID & Spam Blocker
Me - Caller ID & Spam Blocker
See Who Saved Your Number
Free

Discover who saved your number with ME - the ultimate Caller ID and Spam protection app for iPhone. Uncover how your contacts have listed you in their phones and rekindle connections with friends and colleagues. Download now to stay informed!

🌐 Social Networking
(1.4K)
7
NumberBox:CallerID
NumberBox:CallerID
NumberBox:CallerID
Know Your Caller
Free
πŸ”§ Utilities
(377)
8
TrapCall: Reveal No Caller ID
TrapCall: Reveal No Caller ID
TrapCall: Reveal No Caller ID
Control Who Calls You & Block
Free

Take control of your incoming calls with an application that reveals unknown numbers and blocks unwanted callers. Download now to put an end to anonymous calls and stay in charge of your phone.

πŸ’Ό Business
(25K)
9
Aircall
Aircall
Aircall
More than a business phone
Free

A cloud-based phone solution for businesses, Aircall offers easy setup with VoIP, seamless integrations, and collaborative features like shared contacts, call transfers, and call recording. With international numbers, native SMS, and no hardware required, facilitate better conversations anywhere in the world. Sign up now for Aircall and streamline your communication processes effortlessly.

πŸ’Ό Business
(244)
10
smrtPhone
smrtPhone
smrtPhone
Your CRM Phone System
Free

"Empower your sales team with a cloud-based phone system integrated with your CRM through smrtPhone. Use the mobile app to sync contacts, make calls, send texts, track call data, and more. Join now for seamless sales communication on the go."

πŸ’Ό Business
(1.4K)
11
Truecaller: Premium Caller ID
Truecaller: Premium Caller ID
Truecaller: Premium Caller ID
Spam Blocker・Phone Call Filter
Free

Identify and block spam calls, search for unknown numbers, and utilize AI-powered call screening and recording features with this app. Enhance your phone call experience and safeguard your communication effortlessly. Spot annoying spam calls now!

πŸ”§ Utilities
(251K)
12
Who: Premium True Caller ID
Who: Premium True Caller ID
Who: Premium True Caller ID
Spam Blocker β€’ Phone Lookup
Free

An AI call assistant app that provides true caller ID, spam blocking, personalized whitelist, and real-time spam detection. Enhance your calling experience with authenticity and security - download now for seamless conversations and accurate caller insights.

πŸ”§ Utilities
(591)
13
Second Phone Line Ninja Number
Second Phone Line Ninja Number
Second Phone Line Ninja Number
Business Call Auto Forward
Free

Get a Second Phone Line with Ninja Number, the app that separates business and personal calls, provides AI auto-reply, visual voicemail, and more. Try it free for 7 days at NinjaNumber.com.

πŸ’Ό Business
(169)
14
Verizon One Talk
Verizon One Talk
Verizon One Talk
by Verizon Wireless
Free

A mobile-first business phone solution, Verizon One Talk offers voice, video, and messaging capabilities for seamless collaboration. Easily manage business features from the web portal or mobile app to stay connected with customers and colleagues on the go. Experience a future-proof communication solution tailored to modern work dynamics.

πŸ’Ό Business
(16K)
15
GoDaddy Conversations - Inbox
GoDaddy Conversations - Inbox
GoDaddy Conversations - Inbox
2nd Phone Line + Unified Inbox
Free

An all-in-one inbox app for streamlined communication, bringing messages from multiple platforms into a unified space, ensuring you never miss a sales opportunity. Connects with various messaging platforms like chat, Facebook Messenger, and Instagram for efficient customer management.

πŸ’Ό Business
(3.8K)
16
Phone2: Business Phone Number
Phone2: Business Phone Number
Phone2: Business Phone Number
Calling & texting for business
Free

Get a professional business phone number with Phone2 for all your calling and messaging needs. Stay connected with customers through a dedicated number and manage your business communications efficiently.

πŸ’Ό Business
(373)
17
3CX
3CX
3CX
Work Remotely, Anywhere
Free

Stay connected and work remotely with ease using this app, which allows for office extension use beyond calls. Schedule conferences, chat, and video call from your iOS device. Follow the steps provided to set up your extension and start using the app.

πŸ’Ό Business
(304)
18
Caller-ID
Caller-ID
Caller-ID
Reverse Phone Lookup
Free

A Caller-ID app for reverse phone lookup with detailed caller information, including global number search, geolocation mapping, social media directory, spam number reporting, and dialing format/timezone details. Ideal for identifying unknown callers and managing contacts efficiently.

πŸ” Reference
(19K)
19
Find Caller - Reverse Lookup
Find Caller - Reverse Lookup
Find Caller - Reverse Lookup
Caller id reverse phone lookup
Free

"Identify and avoid spam calls with Find Caller - Reverse Lookup. Get real-time risk assessments for unknown numbers worldwide, ensuring you never miss important calls. Lookup caller information and stay protected from fraudulent calls."

πŸ”§ Utilities
(705)
20
Show Caller Name & Block Spam
Show Caller Name & Block Spam
Show Caller Name & Block Spam
Know whos calling Scam blocker
Free

This application identifies incoming calls and displays the caller's name, making it easier to recognize who is calling before answering. Never miss an important call again – download now!

πŸ”§ Utilities
(134)

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